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