Unit 3 Exam Anatomy 2300

Traingle of Auscultation is formed by...?

1. Trapezius m 2. Medial Border of Scapula 3. Latissmus dorsi m.

How many thoracic nerves?

12

How many intervertebral foramina?

2

How many transverse processes?

2

how many lamina?

2

how many pedicles?

2

What does the Musculotaneous Nerve innervate

3 anterior arm M.s

How many lumbricals?

4

Which are responsible for abducting the digits?

4 Dorsal Interossei

How many coccygeal vertebrae?

4 fused vertebrae to form coccyx

How many lumbar nerves?

5

How many sacral nerves?

5

Typically, how many sacral vertebrae fuse to form the sacrum?

5

How many cervical nerves?

8

Abductor digiti minimi: Action?

Abducts 5th digit

What does the radial nerve innervate?

All the posterior arm and forearm muscles

If blood flow is blocked, ___________ can allow for blood supply/ drainage to continue through the collateral circulation (or alternate pathways)

Anastamoses

Extensor carpi radialis brevis: Action?

Extends and abducts hand

Extensor carpi radialis longus: Action?

Extends and abducts hand

Extensor carpi ulnaris: Action?

Extends and adducts hand

Carpometalcarpals: Movement?

Gliding

Sacral Plexus

L4-S4

scapula

On which bone is the coracoid process found?

Anterior Border of the Anatomial Snuff Box?

Tendons of the abductor pollicis longus and extensor pollicis brevis

Synovial Ball and Socket, Diarthrotic

The Glenohumeral Joint is what type of joint?

Distal part of radius

The carpal bones articulate with?

surgical neck

The most frequent site of fracture at the proximal end of the humerus is at the ____________ ______

Brachialis: Insertion?

Tuberosity of ulna

Is at the lateral border of the 1st rib

axillary artery

Where is the vertebral (neural) arch found?

posteriorly

Where do the transverse processes project

postero laterally

Where is the intervertebral disc weakest?

posterolaterally

purpose of vertebral arch?

protects neuronal tissue from injury

The artery that may be palpated deep in the anatomical snuff box is the __________.

radial a.

The Iliocostalis attaches to the _______

ribs

Movement allowed by atlantoaxial joint

rotation

Protects shoulder joint and gives it stability

rotator cuff muscles

The intervertebral disc acts as a _____ _________

shock absorber

What goes through the intervertebral foramina?

spinal nerves

How many coccygeal nerves?

1

Which vertebrae are found in the neck region?

Cervical

Pollex (2)

Digit 1 of Phalanges

Triceps brachii lateral head, and medial head: Origin?

Posterior shaft of humerus

Pronator quadratus: Action

Pronates forearm

Pronator teres: Action

Pronates forearm and flexes elbow

Pectoralis Minor: Action?

Protracts scapula

Radiocarpal (wrist) radius with scaphoid and lunate: Articulating Bones?

Radius and Proximal carpals

Rhomboid Minor: Origin?

Spinous Processes C7, T1

Axial

Sternum is apart of what skeleton?

Biceps Brachii Long Head: Origin?

Supraglenoid Tubercle of Scapula

Proximal radioulna and Distal Radioulnar

The radius and ulna articulate with what 2 joints?

thorax and vertebral column

The scapula is attached to the ________ and _______ ________ by muscles only

2 and 7

The scapula is between what ribs?

Distal Row of Carpal Bones Lateral to Medial (trapping, toads, creates, harm)

Trapezium, trapezoid, capitate, hamate

Which of these muscles can BOTH elevate AND retract the scapula?

Trapezius m.

Ulna

Trochlea articulates with the _______ medially

Adductor pollicis: Innervation?

Ulnar N.

superior and inferior articular process with ......

articular facet

The __________ supplies oxygenated blood to the muscles of the anterior compartment of the arm.

brachial a.

Bifid spinal processes

cervical vertebrae

the deep muscles are primarily _______ and _______

extensors and rotators

What does the ulnar nerve innervate?

flexor carpi ulnaris and ulnar 1/2 of flexor digitorum profundus in the anterior forearm All intrinsic m of hand (except 5 innervated by median)

Another name for deep muscles?

intrinsic muscles

Center of intervertebral disc?

nucleus pulposus

A herniated disk occurs when _______.

the annulus fibrosus ruptures

Deep muscles are the ____ _____

true muscles

How many spinous processes

1

Contents of Hypothenar eminence?

1. Abductor Digiti Minimi 2. Flexor Digiti Minimi Brevis 3. Opponens digiti minimi

Contents of Thenar Eminence?

1. Abductor pollicis brevis 2. Flexor pollicis brevis 3. Opponens pollicis

What are the 2 types of Vascular Anastomoses?

1. Arterial Anastamoses 2. Venous Anastamoses

What makes up the Cubital Fossa?

1. Brachioradialis M. 2. Pronator Teres M. 3. Line between the epicondyles of the humerus border

Contents of Carpal Tunnel?

1. distal row of carpal bones 2. Tendon of flexor carpi 3. Median Nerve 4. Flexor retinaculum (transverse carpal ligament) 5. Ulnar artery 6. Ulnar nerve 7. Flexor digitorum superficialis 8. Profundus in common flexor sheath

How many thoracic vertebrae?

12 T1-T12

anatomical and surgical

2 necks of the humerus?

greater and lesser

2 parts of tubercles?

how many inferior articular process? where do they project?

2, inferiorly

how many superior articular processes? where do they project?

2, superiorly

How many vertebrae?

33

How many lumbar vertebrae?

5 L1-L5

How many sacral vertebrae?

5 fused vertebrae form the sacrum

The ____ _________ _______ becomes subcutaneous when the scapula is protracted, allowing respiratory and heart sounds to be heard clearly with the stethescope

6th Intercostal space

How many cervical vertebrae?

7 C1-C7

Which of the following muscles is innervated by the ulnar nerve?

Abductor digiti minimi m.

Abductor pollicis longus: Action?

Abducts and extends thumb

Dorsal interossei (4): Action?

Abducts fingers

Abductor pollicis brevis: Action?

Abducts thumb

Opponens pollicis: Action?

Abducts, flexes, rotates 1st metacarpal

Opponens digiti minimi: Action?

Abducts, flexes, rotates 5th metacarpal

Trapezius: Innervation?

Accessory N. (Cranial Nerve XI (11))

Acromioclavicular: Articulating Bones?

Acromion of scapula and clavicle

Palmar interossei (3 or 4) Action?

Adduct fingers

Pectoralis major: Action?

Adducts and medially rotates humerus (arm)

Adductor pollicis: Action?

Adducts the thumb

Teres major: Action?

Adducts, extends, and medially rotates arm

Latissumus dorsi: Action?

Adducts, extends, and medially rotates humerus

Interphalangeal: Articulating Bones?

Adjacent Phalanges

Intercarpals: Articulating Bones?

Adjacent carpals

What muscle group? Flexor digitorum profundus Flexor pollicis longus Pronator quadratus

Anterior Forearm Muscles: Deep Group

What muscle group? Pronator teres Flexor carpi radialis Palmaris longus FLexor carpi ulnaris Flexor digitorum superficialis

Anterior Forearm Muscles: Superficial Group

Serratus anterior: Insertion?

Anterior surface of medial border of scapula

Deltoid: Action?

Anterior: flexes, medially rotates arm Middle: Abducts arm Posterior: extends and laterally rotates arm

Outer portion of intervertebral discs?

Anulus fibrosus

Brachium

Area between the shoulder and elbow?

Different arteries serving the same territory will often merge, union of braches of 2 or more arteries supplying the same body region

Arterial Anastamoses

Anconeus: Action?

Assists in extension of forearm

ulna at the humeroulnar joint radius at the humeroradial joint

At the elbow, the humerus articulates with both the ______ at the _____________ joint and the _________ at the ___________ joint

What joint is between C1 and C2

Atlantoaxial joint

Begins at the lateral border of the 1st rib Passes posterior to the pectoralis minor m. Ends at the inferior border of teres minor m.

Axillary Artery

Terminal Branch of the Posterior Cord

Axillary Nerve

5 terminal branches of the brachial plexus?

Axillary Nerve Radial Nerve Musculotaneous Nerve Median Nerve Ulnar Nerve

Deltoid: Innervation?

Axillary n.

Teres minor: Innervation

Axillary n.

Drain the arms, axiallas, and superolateral chest wall

Axillary veins

Travels on the medial side of the forearm and arm When traveling through the arm, it dives deep to join the brachial venae comitantes to form the axiallary vein

Basilic Vein

Most superficial muscles of the arm?

Biceps Brachii Short Head and Long Head

Action of erector spinae?

Bilaterally- extend head and vertebral column Unilaterally- Lateral flexion of head and vertebral column

Found anteriorly, weight supporting portion of vertebra Gets larger as you head inferiorly through the column

Body

What is connected by intervertebral discs?

Body

Metacarpals (5)

Bones of the Hand?

Phalanges (14)

Bones of the digits?

carpals (8)

Bones of the wrist

At the inferior border of the teres minor Runs medial to Biceps Brachii Gives off the deep brachial a. which travels in the radial groove with the radial . in the cubital fossa and under the bicipital aponeurosis Divided into the Radial A and Ulnar A

Brachial Artery

Accompany the brachial arteries Drain forearms. elbow joints, arms, and humerus Join with the basilic veins to form the axillary veins

Brachial Veins

When taking blood pressure, the stethoscope is usually placed on which artery in the cubital fossa?

Brachial a

Floor of the cubital fossa?

Brachialis M. Supinator M.

Which muscle is considered the main flexor of the elbow, as it provides the greatest amount of flexion force at the elbow and can flex the elbow with the forearm in all positions (ex. pronated or supinated)?

Brachialis m.

In the correct order, what are the three major arteries that branch off the aortic arch?

Brachiocephalic trunk, left common carotid a., left subclavian a.

Which of the following muscles does NOT extend the wrist?

Brachioradialis m.

"The atlas"

C1

Has NO BODY

C1

Ring shaped bone

C1

Supports the skull

C1

Which vertebrae does not have a body?

C1

Cervical Plexus?

C1-C4

These nerves will exit the vertebral canal (via the intervertebral foramina) SUPERIOR to the vertebrae for which they are named

C1-C7

"The axis"

C2

Contains the Dens

C2

Has a body

C2

Strongest of the cervical vertebrae

C2

Brachial Plexus?

C5-T1

These will exit the vertebral canal between C7 and T1

C8

head of radius

Capitulum articulates with the ________ (laterally)

Carpometalcarpal Digit 1: Articulating Bones?

Carpal and Metacarpal 1

Carpometalcarpals: Articulating Bones?

Carpals and Metacarpals

Travels on the lateral side of forearm and arm Drains into the axillary vein just inferior to the clavicle

Cephalic Vein

What superficial vein travels in a groove between the deltoid muscle and the pectoris major muscle (i.e. the deltopectoral groove)?

Cephalic v

What are the 4 ventral rami?

Cervical Plexus Brachial Plexus Lumbar Plexus Sacral Plexus

Make up the bony skeleton of the neck

Cervical Vertebrae

Sternoclavicular: Articulating Bone?

Clavicle and Manubrium of the Sternum

Appendicular

Clavicle is a part of what skeleton?

Which structure of the sternum articulates with the appendicular skeleton?

Clavicular notch

Teres major: Insertion?

Crest of lesser tubercle of humerus

Pectoralis major: Insertion?

Crest of the greater tubercle

Which artery travels with the radial nerve to supply the muscles located in the posterior compartment of the arm?

Deep brachial a

If the axillary n. is cut was muscles shrinks?

Deltoid

What does the Axillary Nerve Innervate?

Deltoid and Teres Minor

What muscle does NOT adduct the arm?

Deltoid m.

Deltoid: Insertion?

Deltoid tuberosity of humerus

Metacarophalangeal: Type?

Diarthrosis Synovial Condyloid

Radiocarpal (wrist) radius with scaphoid and lunate: Type?

Diarthrosis Synovial Condyloid

Humero-ulnar and Humeroradial: Type?

Diarthrosis Synovial Hinge

Interphalangeal: Type?

Diarthrosis Synovial Hinge

Acromioclavicular: Type?

Diarthrosis Synovial Plane

Carpometalcarpals: Type?

Diarthrosis Synovial Plane

Intercarpals: Type?

Diarthrosis Synovial Plane

Carpometalcarpal Digit 1: Type?

Diarthrosis Synovial Saddle Joint

Glenohumeral: Type?

Diarthrosis Synovial, Ball in Socket

Radio-ulnar (Proximal and Distal): Type?

Diarthrosis Synovial: Pivot

Sternoclavicular: Type?

Diarthrosis Synovial: Plane

Indux (3)

Digit 2 of Phalanges

Medius (3)

Digit 3 of Phalanges

Annular (3)

Digit 4 of Phalanges

Minimus (3)

Digit 5 of Phalanges

Proximal Phalanges

Distally, the metacarpals articulate with what?

Rhomboid major: Innervation?

Dorsal Scapular N.

Innervation of erector spinae?

Dorsal rami of spinal nerves

Rhomboid Minor: Innervation?

Dorsal scapular

Levator Scapulae: Innervation?

Dorsal scapular n.

Teres major: Origin?

Dorsal surface of inferior angle of scapula

Levator Scapulae: Action?

Elevates scapula

Trapezius: Action?

Elevates, retracts scapula

Largest deep muscles of back?

Erector spinae muscles

Extensor digiti minimi: Action?

Extends digiti minimi and wrist

Extensor digitorum: Action?

Extends fingers Extends wrist

Extensor Pollicis longus: Action?

Extends thumb

Extensor pollicis brevus: Action?

Extends thumb

Triceps brachii long head, lateral head, and medial head: Action?

Extension of forearm LONG HEAD ASSISTS IN EXTENSION OF ARM

Lumbricals (4): Action?

Flex MP joints 2-5 Extend IP 2-5

Lumbricals: Action?

Flex MP joints 2-5 Extends IP joints 2-5

Flexor pollicis brevis: Action?

Flexes Thumb

Flexor digitorum profundus: Action

Flexes digits 2-5 Flexes wrist

Flexor digitorum superficialis: Action

Flexes digits 2-5 Flexes wrist

Brachialis: Action?

Flexes elbow (forearm)

Flexor pollicis longus: Action

Flexes first digit and flexes wrist

Brachiradialis: Action?

Flexes forearm

Flexor carpi ulnaris: Action

Flexes wrist and adducts hand

Flexor carpi radialis: Action

Flexes wrist/hand abducts hand

Paralysis of the coracobrachialis muscle would weaken which arm motion?

Flexion

Glenohumeral: Movement?

Flexion Extension Abduction Adduction CIrcumduction Medial and Lateral Rotation

Metacarophalangeal: Movement?

Flexion Extension Abduction Adduction Circumduction

Interphalangeal: Movement?

Flexion and Extension

Coracobrachialis: Action?

Flexion and adduction of arm

Humero-ulnar and Humeroradial: Movement?

Flexion and extension

Radiocarpal (wrist) radius with scaphoid and lunate: Movement?

Flexion, extension, abduction, adduction, and circumduction

What anterior forearm muscle typically has a dual innervation?

Flexor digitorum profundus m.

Which of these muscles is an intrinsic hand muscle that moves the thumb (i.e. the first digit)?

Flexor pollicis brevis

Latissumus dorsi: Insertion?

Floor of the intertubercular sulcus

Intercarpals: Movement?

Gliding

Sternoclavicular: Movement?

Gliding

Acromioclavicular: Movement?

Gliding Rotation of scapula on clavicle

Infraspinatus: Insertion?

Greater tubercle of humerus

Supraspinatus: Insertion?

Greater tubercle of humerus

Teres minor: Insertion?

Greater tubercle of humerus

Extensor indicis: Action?

Helps extend index finger

30

How many bones in the Upper Limb?

Pinky Pad?

Hypothenar eminence

Origin of Iliocostalis?

Iliac crest

3 erector spinae muscles lateral to medial

Iliocostalis Longissimus Spinalis

This deep back muscle is the most lateral of the erector spinae group. As such, it aids in trunk extension and maintenance of proper posture while standing or sitting.

Iliocostalis muscle

Jane slipped on the ice and hit her arm when she fell, which resulted in a medial epicondyle fracture and damage to the muscles originating from this location. Which deficit is MOST likely to be encountered due to Jane's injury?

Inability to flex the wrist

Triceps brachii long head: Origin?

Infraglenoid tubercle of scapula

Infraspinatus: Origin?

Infraspinous fossa

Diarthrotic, synovial plane

Intercarpal Joints are what type of joint?

T1-T11 become what nerves?

Intercostal Nerves

Muscles located between the metacarpals?

Interosseous Muscles

Diarthroatic and synovial hinge

Interphalangial joints are what type of joints

Which of the following statements about the pectoralis major muscle is CORRECT?

It is superficial to the pectoralis minor muscle

Parts of the vertebral arch?

Lamina and Pedicle

Humerus

Largest bone in the upper limb

Deltoid: origin?

Lateral 1/3 of clavicle Acromion and spine of scapula

Trapezius: Insertion?

Lateral 1/3 of clavicle Acromion and spine of scapula

What makes up the borders of the Cubital Fossa?

Lateral Border: Brachioradialis M. Medial Border: Pronator teres M. Superior Border: Line between the epicondyles of humerus border

What occurs as a result of the unilateral contraction of the erector spinae muscles on the right side of the body?

Lateral flexion of the trunk and head to the right

Infraspinatus: Action?

Lateral rotation of humerus

Teres minor: Action?

Lateral rotation of humerus

Supraspinatus: Action?

Lateral rotation of humerus (arm)

Radius

Lateral side of antibrachium/forearm?

"Widest of the back" and important for climbing?

Latissumus dorsi

Subscapularis: Insertion?

Lesser tubercle of humerus

Which of the following muscles is found deep to the trapezius?

Levator scapulae m.

Serratus anterior: Innervation?

Long thoracic n.

Ulna

Longer bone of the antibrachium?

Brachialis: Origin?

Lower half of anterior humerus

Teres major: Innervation?

Lower subscapular n.

Very slender "earthworm" muscles

Lumbrical Muscles

Which muscle(s) place your digits into the writing postion?

Lumbrical mm.

radial tuberosity

Main attachment point for biceps brachii?

Which of the following is a characteristic of lumbar vertebrae?

Massive, kidney-shaped bodies

Pectoralis major: Innervation?

Medial and lateral pectoral n

Rhomboid Minor: Insertion?

Medial border of scapula

Rhomboid major: Insertion?

Medial border of scapula

sternal end

Medial end of clavicle is known as the _______ ____

Pectoralis major: Origin?

Medial half of clavicle Sternum Costal Cartilage of Ribs 2-6

Pectoralis Minor: Innervation?

Medial pectoral n.

Pectoralis Minor: Insertion?

Medial portion of coracoid process

Subscapularis: Action?

Medial rotation of humerus (arm)

Ulna

Medial side of the antibrachium/forearm?

Coracobrachialis: Insertion?

Medial surface of the middle of the humerus

Connection between the basilic and cephalic veins Lies anterior to the cubital fossa and bicipital aponeurosis Commonly used for venipuncture

Median Cubital Vein

What is found superficial to the contents of the cubital fossa?

Median Cubital Vein

Flexor pollicis brevis: Innervation?

Median N

Opponens pollicis: Innervation?

Median N

Lumbricals: Innervation?

Median N 1 and 2 Ulnar n. 3 and 4

Abductor pollicis brevis: Innervation?

Median N.

Flexor carpi radialis: Innervation

Median N.

Flexor digitorum superficialis: Innervation

Median N.

Flexor pollicis longus: Innervation

Median N.

Pronator quadratus: Innervation

Median N.

Pronator teres: Innervation

Median N.

Lumbricals 1-2: Innervation?

Median Nerve

Thenar Eminence muscles are supplied by what nerve?

Median Nerve

Which of the following structures lies superficial to the bicipital aponeurosis?

Median cubital v.

Palmaris longus: Innervation

Median n.

Formed from a branch of the lateral and medial cord

Median nerve

Knuckles are...

Metacarpal Phalanges

Metacarophalangeal: Articulating Bones?

Metacarpal and Proximal Phalanx

Where is the intervertebral disc found most superior?

Most superior is found between C2 and C3

What muscle group? Trapezius Levator scapulae Rhomboids Serratus anterior Subclavius Pectoralis Minor

Muscles from the Axial Skeleton to the Shoulder Girdle

Coracobrachialis Biceps Brachii Brachialis Triceps Brachii What muscle group?

Muscles of the Arm

Brachialis: Innervation?

Musculocutaneous

Coracobrachialis: Innervation

Musculocutaneous

Biceps Brachii Short Head and Long Head: Innervation?

Musculocutaneous n.

What passes through the coraccobrachialis M.

Musculotaneous Nerve

Continuation of the lateral cord?

Muscultaneous Nerve

extended

Olecranon fits into olecranon fossa of humerous when elbow is __________

Triceps brachii long head, lateral head, and medial head: Insertion?

Olecranon process of ulna

Lateral

On which side of the ulna is the radial notch located?

Carpometalcarpal Digit 1: Movement?

Opposition (Plus all the others)

Serratus anterior: Origin?

Outer surface of lateral part of first 8 ribs

Proximal, Middle, Distal

Parts of the Metacarpals?

When consecutive vertebrae articulate, notches in their _________ create the intervertebral foramina.

Pedicles

Radio-ulnar (Proximal and Distal): Movement?

Pivot in long axis to pronate and supinate

Wraps around the surgical neck of humerus

Posterior Circumflex Humeral Artery

What muscle group? Supinator Abductor pollicis longus Extensor pollicis brevis Extensor pollicis longus Extensor indicis

Posterior Forearm Muscles

What muscle group? Brachioradialis Extensor carpi radialis longus Extensor carpi radialis brevis Extensor digitorum Extensor digiti minimi Extensor carpi ulnaris Anconeus

Posterior Forearm Muscles: Superficial Group

extensor muscles for the hand

Posterior grooves of radius contain what?

What movement of the scapula allows the triangle to enlarge?

Protraction

Serratus anterior: Action?

Protracts and holds scapula to body

Interosseus membrane

Provides attachment point for a lot of the deep m. of the forearm?

Scaphold, Lunate, Triangular, Pisiform (someone, likes, tricking, peter)

Proximal Row of carpal Bones Lateral to Medial

Proximal

Proximal or Distal, Radius? Head

Proximal

Proximal or Distal, Radius? Radial Tuberosity

Distal

Proximal or Distal, Radius? Styloid Process

Distal

Proximal or Distal, Ulna? Head

Proximal

Proximal or Distal, Ulna? Olecranon

Distal

Proximal or Distal, Ulna? Styloid process

Proximal

Proximal or Distal, Ulna? Trochlear notch

carpals

Proximally, the metacarpals articulate with what?

Contents of Anatomical Snuff Box?

Radial Artery

Abductor pollicis longus: Innervation?

Radial N

Extensor indicis: Innervation?

Radial N

Supinator: Innervation?

Radial N

Anconeus: Innervation?

Radial N.

Brachioradialis: Innervation?

Radial N.

Extensor Pollicis longus: Innervation?

Radial N.

Extensor carpi radialis brevis: Innervation?

Radial N.

Extensor carpi radialis longus: Innervation?

Radial N.

Extensor carpi ulnaris: Innervation?

Radial N.

Extensor digiti minimi: Innervation?

Radial N.

Extensor digitorum: Innervation?

Radial N.

Extensor pollicis brevis: Innervation?

Radial N.

Continuation of the posterior cord

Radial Nerve

What lies in the radial groove with the deep brachial artery?

Radial Nerve

Triceps brachii long head, lateral head, and medial head: Innervation?

Radial n.

Biceps Brachii Short Head and Long Head: Insertion?

Radial tuberosity Deep Fascia of forearm via bicipital aponeurosis

Begin at the deep palmar venous arches Unite with the ulnar veins to form the brachial veins Drain palmar metacarpal veins

Radial veins

Radio-ulnar (Proximal and Distal): Articulating Bones?

Radius and Ulna

Rhomboid Minor: Action?

Retracts scapula

Rhomboid major: Action?

Retracts scapula

Pectoralis Minor: Origin?

Ribs 3-5

Origin of erector spinae?

Sacrum, spinous processes of lumbar vertebrae

Floor of Anatomical Snuff Box?

Scaphoid and Trapezium

Glenohumeral: Articulating Bones?

Scapula and humerus

anterior

Scapula, Posterior or Anterior? Corcoid process

posterior

Scapula, Posterior or Anterior? Spine

anterior

Scapula, Posterior or Anterior? Subscapular muscle

posterior

Scapula, Posterior or Anterior? Supraspinous fossa

As a child, Jane had an lateral curvature of her spine and had to wear a brace. What type of abnormal curvature did Jane have?

Scoliosis

anatomical neck

Separates head of humerus from tubercles (proximal side)

What muscle is also known as "the boxer's muscle", as this muscle is vital in scapular protraction which occurs while throwing a punch?

Serratus anterior m

Flat, triangular

Shape of scapula?

Scapula

Shoulder blade bone

Lateral

Side of Scapula? Glenoid Cavity

Lateral

Side of Scapula? Infraglenoid Tubercle

Lateral

Side of Scapula? Supraglenoid tubercle

Latissumus dorsi: Origin?

Spinous process of lower six thoracic vertebrae Thoracolumbar fascia Crest of Fascia

Drain the arms, neck, and thoracic wall

Subclavian veins

T12 becomes what nerve?

Subcostal Nerve

Subscapularis: Origin?

Subscapular fossa

Originate from the venous anastomoses on the dorsum of the hand

Superficial veins

What muscles make up the the borders of the triangle of auscultation?

Superior Border: Trapezius Medial Border of Scapula: Lateral Border Inferior Border: Latissimus dorsi

Trapezius: Origin?

Superior nuchal line ligament nuchae external occipital protuberance spinous process C7 and T1-T12

Supinator: Action?

Supinates forearm

Biceps Brachii Short Head and Long Head: Action?

Supinates forearm Flexes forearm

Infraspinatus: Innervation

Suprascapular n.

Supraspinatus: Innervation?

Suprascpular n.

Initiates ABDUCTION

Supraspinatous

Rotator Cuff muscles?

Supraspinatus Infraspiatous Teres minor Subscapularis (SITS)

Supraspinatus: Origin?

Supraspinous fossa

What does the Axillary Nerve wrap around?

Surgical Neck of Humerus

These will exit the vertebral canal INFERIOR to the vertebrae for which they are named

T1 and Inferior Spinal Nerves

Lumbar Plexus?

T12-L4

From lateral to medial, what does the cubital fossa contain?

Tendon of biceps brachii brachial Artery median Nerve

Posterior Border of the Anatomical Snuff Box?

Tendon of the extensor pollicis longus

Lumbricals: Origin?

Tendons of flexor digitorum profundus

Synovial Plane, DIarthrotic

The Sternoclavicular and Acromioclavicular joint are .....?

scapular spine

The __________ lies on the posterior aspect of scapula.

acromial end

The broad, flattened part of the clavicle that articulates with the scapula is the _______.

head of the radius

The capitulum articulates with the _______ ___ ____ ______

shoulders

The clavicle and scapula form the _______

collarbone

The clavicle forms the __________

mechanical force from upper limb to trunk

The clavicle is an important bone in transmitting what?

1st rib

The clavicle lies in a horizontal position just superior to the ______ ____

flexion

The coronoid fossa receives the coronoid process during elbow ___________

Ulna, humerous, flexed

The coronoid process of the ________ fits into the coronoid fossa of _________ when elbow is _________

Ulnar notch and the distal end of radius

The distal radioulnar joint articulates with what?

Head of Ulna

The distal radioulnar joint is between what?

glenoid cavity

The head of the humerus articulates with the ______

capitulum of humerus and radial notch of ulna

The head of the radius articulates with what?

Annular Ligament

The head of the radius is held in place by what?

acromion of the scapula at the acromioclavicular joint

The lateral end of the clavicle articulates with the ______ of the ________ at what joint?

acromio end

The lateral end of the clavicle is known as the _____ ____

extension

The olecranon fossa receives the olecranon process during elbow ___________

Sternoclavicular Joint

The pectoral girdle attaches to the axial skeleton where?

Head of the radius and the radial notch of the ulna

The proximal radioulnar is between what?

spinal groove

The radial nerve travels in the ________ ______

T2 and T7

The scapula is between what vertebrae

Clavicular notch on menubrium to form the sternoclavicular joint

The sternal end of clavicle articulates with what to form what joint?

blunt/rounded

The sternal end of clavicle is _____

diarthrotic and synovial plane

The sternoclavicular joint is what type of joint?

Thumb pad?

Thenar eminence

Lateral Border

Thick edge of scapula close to upper limb

Medial Border

Thin edge of scapula closest to the vertebral column

Latissumus dorsi: Innervation?

Thoracodorsal n.

Which are responsible for adducting the digits?

Three Palmar Interossei

Biceps Brachii Short Head: Origin?

Tip of coracoid process

Coracobrachialis: Origin?

Tip of coracoid process

Levator Scapulae: Origin?

Transverse process of first 3 or 4 cervical vertebrae

What feature of general vertebrae project laterally from the neural arch and provide attachments for deep back muscles?

Transverse processes

Dorsal interossei (4): Innervation?

Ulnar N.

Opponens digiti minimi: Innervation?

Ulnar N.

Palmar Interossei Innervation?

Ulnar N.

Continuation of the medial cord, only nerve to pass behind the elbow?

Ulnar Nerve

Hypothenar eminence muscles are all supplied by what nerve?

Ulnar Nerve

Lumbricals 3-4: Innervation?

Ulnar Nerve

Which structure does NOT pass through the carpel tunnel?

Ulnar a

Flexor digitorum profundus: Innervation

Ulnar half by ulnar n Rest: Median N.

Abductor digiti minimi: Innervation?

Ulnar n.

Flexor carpi ulnaris: Innervation

Ulnar n.

Flexor digiti minimi brevis Innervation?

Ulnar n.

Larger than the radial veins Begin at the superficial palmar venous arches Drain the common palmar digital veins and Proper palmar digital veins

Ulnar veins

Subscapularis: Innervation?

Upper and lower subscapular n.

Where vascular channels unite or join

Vascular Anastomoses

Paired veins, 2 veins per artery

Venae Comitantes

VERY ABUNDANT Interconnection of more than 1 vein draining the same tissue area

Venous Anastamoses

Humerus

What bone is the brachium?

Radius and Ulna

What bones are the antebrachium?

Interosseus membrane

What is between the radius and Ulna?

Sternoclavicular

What joint is between the Axial and Appendicular Skeleton?

Flexion and extension

What movements are allowed at the elbow?

flexion, extension, adduction, abduction, circumduction

What movements can the radiocarpal joint do?

Infraspinous m

What muscle attaches to the body of the scapula?

Pectorinis minor Coracoid brachealis Shorthead of Biceps Brachii

What muscles attach to the corocoid process?

Anterior side

What side of scapula is up against the ribs?

Infraspinous fossa and supraspinous fossa

What two fossae are separated by the scapular spine?

Diarthrotic and synovial hinge

What type of joint is the elbow joint?

synovial condyloid diarthrotic

What type of joint is the radiocarpal joint

Synovial, Diarthrotic, Pivot joints

What type of joint is the radioulnar joints?

Diarthrotic and synovial condyloid

What types of joints are the metacarpal phalanges

between the carpals and proximal phalaneges

Where are the joints of the metacarpal phalanges

sternoclavicular joint

Where does the appendicular skeleton attach to the axial skeleton

between distal end of radius and 2 carpal bones (scaphoid and lunate)

Where is the radiocarpal joint located

Pectoral Girdle

Where the Upper Limb attaches to the axial skeleton

surgical neck

Where the bone of the humerus narrows down the the diaphisis (proximal side)

Where is the most common place for measuring the pulse rate?

Where the radial artery lies on the anterior surface of the distal end of the radius

scapula and clavicle

Which bones are components of the pectoral girdle?

Olecranon process

Which bony part rests on the table when you lean on your elbow?

Palmaris brevis: Action?

Wrinkles skin (May help protect ulnar n. and a.)

This inferior portion of the sternum is a landmark for the anterior attachment of the diaphragm and the superior surface of the liver. It can also be broken off during CPR.

Xiphoid process

Abduction of the thumb is when the thumb is moved __________. (Note: Remember to start from the anatomical position.)

anteriorly

What doe the transverse processes provide?

attachment point for deep back muscles

The superficial vein that travels along the ulnar side of the forearm is the __________.

basilic v.

Where is the Int. Disc found most inferior?

between L5 and S1

where are the pedicles attached too?

body

What are the smallest vertebrae that are moveable?

cervical vertebrae

Where are the transverse foramen?

cervical vertebrae

Order of vertebrae? top to bottom

cervical, thoracic, lumbar, sacral, coccygeal

What muscle is the rounded contour of your shoulder?

deltoid

Projects superiorly from body

dens

Spinal nerves are a mixed nerve formed from the union of the ________ root and __________ root

dorsal, ventral

Muscles found within the posterior forearm compartment are responsible for _______.

extension of the fingers

Another name for the superficial back muscles?

extrinsic muscles

True or False The head of the rib articulates with the transverse process of a vertebra.

false - the head of the rib articulates with the costal facets located on the bodies of thoracic vertebrae and the rib tubercle articulates with the facet located on the vertebral transverse process.

Flexor digiti minimi brevis: Action?

flexes 5th digit

Palmaris longus: Action

flexes wrist

The deep muscles help you resist _____

gravity

Where are the vertebral arteries located?

in the tranverse foramen

The glenohumeral joint is more likely to dislocate __________ because the rotator cuff muscles do not strengthen the joint here.

inferiorly

Teres minor: Origin?

lateral border of scapula

1st pair of ribs attaches to the __________

manubrium of sternum

The lateral border of the triangle of auscultation is the __________.

medial border of the scapula

From medial to lateral, what are the contents of the cubital fossa?

median n., brachial a., tendon of biceps brachii m.

What does the median nerve innervate?

most of the anterior forearm m.s In hand: 5 muscles (3 thenar eminence m.s and lumbricals 1 and 2)

C1's superior facets articulate with the _______ condyles

occipital

Where is the intervertebral foramina?

on sides of vertebral column

The __________ muscle is absent on one or both sides in about 14% of people.

palmaris longus

what kind of joint is the atlantoaxial

pivot

The vertebral column transfers weight of the head, neck, and trunk through the __________ _________ to the ____________ __________, then through the ischial tuberosity (if sitting) or acetabulum to femurs (if standing) to the ___________ _________

sacroiliac joint pelvic girdle appendicular skeleton

The erector spinae muscle/complex is composed of three vertical columns of muscles. What is the order of these from medial to lateral?

spinalis, longissimus, iliocostalis

Attachments for muscles and ligaments

spinous process

projects posteriorly and sometimes inferiorly

spinous process

The Spinalis attaches to the _________

spinous processes

Rhomboid major: Origin?

spinous processes T2-T5

What defines what movement is permitted?

superior and inferior process

What is used for articulation between vertebrae?

superior and inferior process

Joint type of body?

symphisis

What kinds of joints are superior and inferior process?

synovial plane

flattened

the acrimio end of the clavicle is _________

hole in the tranverse processes

transverse foramen

The Longissimus attaches to the ______

transverse processes

The infraglenoid tubercle serves as an attachment for the __________.

triceps brachii long head m.

True or false: The true ribs attach directly to the sternum via their own costal (hyaline) cartilage.

trueThe head of the rib articulates with the transverse process of a vertebra.

Superficial back muscles are muscles of the ______ ______

upper limb

_______ + ________= Spinal Nerve

ventral + dorsal root

The spinal nerve splits into the

ventral and dorsal roots that get out through the sacral foramina

Levator Scapulae: Insertion?

vertebral (medial) border of scapula

Course superiorly to get to the brain

vertebral arteries

Where is the spinal cord?

vertebral canal

What do the deep muscles extend and rotate?

vertebral column/trunk and head

Produces the vertebral column

vertebral foramina

The erector spinae muscles are arranged in _______

vertical columns

In the upper limb, the brachial artery can be found

with the median nerve in the cubital fossa