Unit B Upper Limb
Select all that apply Identify the movements of the glenohumeral joint that occur with contraction of the infraspinatus and teres minor. Adduction of the arm Lateral rotation of the arm Abduction of the arm Flexion of the arm Medial rotation of the arm
Adduction of the arm Lateral rotation of the arm
The superior attachment of the pectoralis minor is ______. ribs 3-5 the coracoid process of scapula ribs 1-8 the acromion process of the scapula
the coracoid process of scapula
Select all that apply Which are muscles that flex and/or supinate the arm at the elbow? Biceps brachii Triceps brachii Brachialis Supinator Brachioradialis
Biceps brachii Brachialis Supinator Brachioradialis
Which muscles supinate the forearm? Brachialis and supinator Anconeus and supinator Only the supinator Biceps brachii and supinator Triceps brachii and supinator
Biceps brachii and supinator
The extensor pollicis _______ extends the MP and IP joints of the thumb.
Blank 1: longus or Longus
True or false: Muscles with proximal attachments anterior to the glenohumeral joint extend the arm. True False
False
Identify the location of the triceps brachii. Posterior arm Anterior arm Posterior forearm Anterior forearm
Posterior arm
Select all that apply Contraction of the pectoralis minor ______. depresses the scapula retracts the scapula elevates the scapula protracts the scapula
depresses the scapula protracts the scapula
The prime mover of the extension of the arm is the ______. pectoralis major deltoid latissimus dorsi long head of the triceps brachii
latissimus dorsi
The prime movers of the glenohumeral joint are the ______. latissimus dorsi and pectoralis major deltoid and pectoralis minor rotator cuff muscles long heads of the biceps brachii and triceps brachii
latissimus dorsi and pectoralis major
The prime mover causing flexion of the arm is the ______.
pectoralis major
The extensor carpi _______ longus abducts the hand at the wrist.
radialis
The inferior attachment of the pectoralis minor is ______. rib 1 ribs 1-8 ribs 3-5 acromion process of scapula
ribs 3-5
Anterior muscles that move the pectoral girdle attach on ______. the sternum the ribs costal cartilages
the ribs
The posterior compartment of the forearm consists of a total of ______ muscles. 20 2 10 5
10
Which muscles extend the forearm? Anconeus Biceps brachii Brachioradialis Triceps brachii
Anconeus Triceps brachii
Identify the location of the brachialis. Posterior forearm Posterior arm Anterior arm Anterior forearm
Anterior arm
Identify the location of the pronator teres. Posterior forearm Anterior forearm Posterior arm Anterior arm
Anterior forearm
The flexor ______ longus attaches to the distal phalanx of the thumb.
Blank 1: pollicis or Pollicis
The prime mover of scapular protraction is the ____ anterior.
Blank 1: serratus or Serratus
Select all that apply Identify the muscles that flex the arm at the glenohumeral joint. Triceps brachii Latissimus dorsi Teres major Deltoid Coracobrachialis Biceps brachii
Deltoid Coracobrachialis Biceps brachii
Select all that apply Identify the muscles that laterally rotate the arm at the glenohumeral joint. Supraspinatus Deltoid Teres major Infraspinatus Teres minor
Deltoid Infraspinatus Teres minor
Identify the movements of the glenohumeral joint that occur with contraction of the posterior fibers of the deltoid. Extend and abduct the arm Extend and laterally rotate the arm Flexion and lateral rotation of the arm Flexion and medial rotation of the arm
Extend and laterally rotate the arm
Which of the following best describes the location of the trapezius? It is superficial to other posterior thoracic muscles that move the pectoral girdle. It is superficial to the other anterior thoracic muscles that move the pectoral girdle. It is deep to the sternocleidomastoid and rhomboids. It is deep to other anterior thoracic muscles that move the pectoral girdle.
It is superficial to other posterior thoracic muscles that move the pectoral girdle.
Select all that apply Which of the following best describe(s) the actions of the subclavius? It rotates the clavicle medially. It depresses the clavicle. It stabilizes the clavicle.
It depresses the clavicle. It stabilizes the clavicle.
What is the MAIN action of the levator scapulae? It depresses the scapula. It rotates the scapula superiorly. It elevates the scapula. It retracts the scapula.
It elevates the scapula.
Select all that apply Identify the muscles that medially rotate the arm at the glenohumeral joint. Latissimus dorsi Teres major Pectoralis major Subscapularis Deltoid Supraspinatus
Latissimus dorsi Teres major Pectoralis major Subscapularis Deltoid
Select all that apply Identify the muscles that pronate the forearm. . Teres major and teres minor Pronator teres Pronator quadratus Anconeus Biceps brachii
Pronator teres Pronator quadratus
Contraction of the minor and major rhomboids results in which of the following movements of the scapula? Superior rotation Retraction Inferior rotation Elevation
Retraction Inferior rotation Elevation
Select all that apply Which of the following are posterior thoracic muscles that move the pectoral girdle? Rhomboid major Rhomboid minor Trapezius Levator scapulae Pectoralis minor
Rhomboid major Rhomboid minor Trapezius Levator scapulae
Which of the following correctly describes the superior attachment of the levator scapulae? Spinous processes of C7-T1 Transverse processes of C1-C4 Superior part of the medial border of the scapula Spinous processes of T2-T5
Transverse processes of C1-C4
True or false: The serratus anterior muscle works with the pectoralis minor muscle and helps to stabilize the scapula. True false question. True False
True
Anatomically, muscles that move the pectoral girdle are classified as ______. inserting on the skull or vertebrae anterior or posterior thoracic increasing or decreasing the range of motion of the arm superficial or deep
anterior or posterior thoracic
Which muscle abducts the thumb? extensor pollicis brevis abductor pollicis longus extensor pollicis longus extensor indicis
abductor pollicis longus
The superior attachment of the serratus anterior is on the ______. coracoid process of the scapula inferior surface of the clavicle anterior surface of the medial border of the scapula superior part of the medial border of the scapula
anterior surface of the medial border of the scapula
All muscles that move the pectoral girdle attach the ______ to the scapula and clavicle. ribs sternum and spinous processes of cervical and thoracic vertebrae axial skeleton
axial skeleton
The name of the coracobrachialis indicates that it extends from its proximal end, the ______ of the scapula, to its distal attachment, the brachium, which means "arm" and refers to the humerus. pectoralis process teres process coracoid process
coracoid process
The anterior and posterior compartments of the arm are surrounded by ______ and each houses skeletal muscles that perform ______ actions. ligaments, similar deep fascia, similar superficial fascia, antagonistic deep fascia, antagonistic
deep fascia, similar
Muscles that move the pectoral girdle may ______. elevate or depress the scapula protract or retract the scapula adduct or abduct the arm
elevate or depress the scapula protract or retract the scapula
Contraction of the subscapularis ______ the arm, and contraction of the supraspinatus ______ the arm. extends, flexes flexes, laterally rotates medially rotates, abducts laterally rotates, adducts
medially rotates, abducts
The muscles that protract the scapula are the ______. serratus anterior and pectoralis minor serratus anterior and the trapezius trapezius and subclavius
serratus anterior and pectoralis minor
The inferior attachment of the serratus anterior is ______. the medial border of the anterior surface of the scapula on ribs 3-5 on ribs 4-6, anterior and superior margin on ribs 1-8, anterior and superior margin
on ribs 1-8, anterior and superior margin
The anterior thoracic muscle that protracts and depresses the scapula is the ______. serratus anterior trapezius pectoralis minor subclavius
pectoralis minor
Select all that apply The anterior thoracic muscles that move the pectoral girdle are the ______. pectoralis minor subclavius pectoralis major serratus anterior
pectoralis minor subclavius serratus anterior
The muscle that flexes the thumb is the flexor_________ brevis.
pollicis
Both the thenar and hypothenar groups of intrinsic hand muscles include ______. Multiple choice question. small flexors, abductors, and opponens muscles small supinators and pronators opponens muscles and adductor muscles small extensors and adductors
small flexors, abductors, and opponens muscles
The tendons of forearm muscles are individually surrounded by ______ sheaths and collectively held close to the carpal bones by fibrous bands of fascia called ______. retinacula, tendons synovial, retinacula ligament, aponeuroses
synovial, retinacula
Besides elevating the scapula, the levator scapulae also ______. inferiorly rotates the scapula flexes the neck stabilizes the sternum
inferiorly rotates the scapula
Identify the location of the brachioradialis. Posterior upper arm Anterolateral forearm Posterior forearm Anterior upper arm
Anterolateral forearm
Which of the following best describes the location of the latissimus dorsi? Posterior of body, inferior part of the back Posterior of body, superior thoracic region Anterior of body, superior thoracic region Fibers found on both the anterior and posterior of the body
Posterior of body, inferior part of the back
Which best summarizes the MAIN movement of the glenohumeral joint that occur with contraction of the deltoid? Extension of the arm Adduction of the arm Abduction of the arm Flexion of the arm
Abduction of the arm
Which of the following best describes the location of the pectoralis major? Posterior of body, inferior region of back Fibers in anterior and posterior of body Anterior of body, covers superior portion of thorax Anterior of body, deep to pectoralis minor
Anterior of body, covers superior portion of thorax
The extensor carpi ______ extends and adducts the hand.
Blank 1: ulnaris or Ulnaris
Select all that apply Identify the lateral attachments of the trapezius. Medial border of scapula superior to the spine Clavicle Spine of scapula Acromion process of scapula
Clavicle Spine of scapula Acromion process of scapula
Identify the movements of the glenohumeral joint that occur with contraction of the coracobrachialis. Abduction and lateral rotation of the arm Extension and medial rotation of the arm Flexion and adduction of the arm Flexion and medial rotation of the arm
Flexion and adduction of the arm
Identify the actions provided by contraction of the biceps brachii. Pronation of the forearm Extension of the forearm Supination of the forearm Flexion of the forearm
Flexion of the forearm
Which muscle assists in opposition of the thumb? Palmar interossei Opponens pollicis Lumbrical muscles
Opponens pollicis
Which of the following correctly describes the inferior attachment of the levator scapulae? Spine of scapula Superior part of the medial border of the scapula Medial border of scapula from spine to inferior angle Transverse processes of C1-C4
Superior part of the medial border of the scapula
Which muscle of the posterior forearm compartment perform(s) a function unlike that of all the others? Extensor digitorum Supinator Abductor pollicis brevis Extensor indicis
Supinator
Select all that apply Identify the muscles that extend the arm at the glenohumeral joint. Biceps brachii Teres major Coracobrachialis Triceps brachii Deltoid Latissimus dorsi
Teres major Triceps brachii Deltoid Latissimus dorsi
Which of the following correctly describes the tendons of the forearm muscles at the wrist joint? Retinacula prevent the tendons of the forearm muscles from rubbing against the carpal bones. The extensor retinaculum is also known as the carpal tunnel. The flexor retinaculum covers the palmar or anterior surface of the carpal bones. The flexor retinaculum is deep to the dorsal surface of the carpal bones.
The flexor retinaculum covers the palmar or anterior surface of the carpal bones.
Which of the following correctly describes the location of the rhomboids, both minor and major? They are anterior thoracic muscles that are deep to the pectoralis major. They are superior to the trapezius. They are posterior thoracic muscles that are deep to the trapezius. They are inferior to the levator scapulae.
They are posterior thoracic muscles that are deep to the trapezius.
The posterior compartment of the forearm contains muscles that ______ the wrist, the metacarpophalangeal joints, and interphalangeal joints. extend flex
extend
In very general terms, the posterior forearm muscles ______. adduct the thumb extend the wrist supinate the forearm flex the wrist
extend the wrist
In general, the anterior compartment of the arm contains muscles that ______ the forearm at the elbow joint, while the posterior compartment contains muscles that ______ the forearm. medially rotate, laterally rotate extend, flex pronate, supinate flex, extend
flex, extend
In general, the muscles that move the glenohumeral joint with proximal attachments anterior of the body ______ the arm, whereas the muscles with proximal attachments on the posterior of the body ______ the arm. flex, extend extend, flex
flex, extend
The muscles that retract the scapula are the ______. levator scapulae and rhomboids trapezius and rhomboids (minor and major) serratus anterior and pectoralis minor serratus anterior and trapezius
trapezius and rhomboids (minor and major)
The most medial muscle of the superficial layer in the anterior compartment of the forearm is the flexor carpi ______.
Blank 1: ulnaris or Ulnaris
Select all that apply Which muscles flex the forearm? Brachioradialis Triceps brachii Brachialis Biceps brachii
Brachioradialis Brachialis Biceps brachii
Which of the following is NOT one of the muscles of the hypothenar group of intrinsic hand muscles? Extensor pollicis brevis Abductor digiti minimi Flexor digiti minimi brevis Opponens digiti minimi
Extensor pollicis brevis
Select all that apply Which are muscles that extend and/or pronate the arm at the elbow? Pronator quadratus Triceps brachii Biceps brachii Anconeus Pronator teres
Pronator quadratus Triceps brachii Anconeus Pronator teres
The name of the forearm muscle found in the intermediate layer of the anterior compartment is the ______. flexor digitorum superficialis pronator teres palmaris longus flexor carpi ulnaris
flexor digitorum superficialis
Which of the following are intrinsic hand muscles of the thenar group? Abductor pollicis brevis Palmar interossei Flexor pollicis brevis Opponens pollicis
Abductor pollicis brevis Flexor pollicis brevis Opponens pollicis
Select all that apply Identify the movements of the glenohumeral joint that occur with contraction of the teres major. Extension of the arm Medial rotation of the arm Abduction of the arm Flexion of the arm adduction of the arm
Extension of the arm Medial rotation of the arm adduction of the arm
Which of the following best summarizes the movements of the glenohumeral joint that occur with contraction of the teres major? Extension, abduction, and medial rotation Flexion, adduction, and lateral rotation Flexion, abduction, and lateral rotation Extension, adduction, and medial rotation
Extension, adduction, and medial rotation
match each forearm muscle of the superficial layer of the posterior compartment with its actions
Extensor carpi radialis brevis - Extends the wrist and abducts the hand Extensor digitorum - Extends the wrist, 2-5th metacarpophalangeal joints, proximal interphalangeal joints, and distal interphalangeal joints. Extensor digiti minimi - Extends the wrist, metacarpophalangeal and proximal interphalangeal joints of finger 5.
Contraction of the long head of the biceps brachii results in a single type of movement of the glenohumeral joint. What type of movement is this? Extension of the arm Medial rotation of the arm Lateral rotation of the arm Flexion of the arm
Flexion of the arm
Which of the following best summarizes the movements of the glenohumeral joint that occur when the pectoralis major contracts? Flexion, adduction, medial rotation Extension, adduction, medial rotation Flexion, abduction, medial rotation Extension, abduction, lateral rotation
Flexion, adduction, medial rotation
Which muscle flexes the little finger? Palmar interossei Flexor pollicis brevis Flexor digiti minimi brevis Lumbrical muscles
Flexor digiti minimi brevis
Select all that apply Which are the forearm muscles in the deep layer of the anterior compartment? Flexor pollicis longus Flexor carpi radialis Pronator quadratus Flexor digitorum profundus
Flexor pollicis longus Pronator quadratus Flexor digitorum profundus
From the list below, identify the proximal and distal attachments of the infraspinatus. P, supraspinous fossa of scapula D, greater tubercle of humerus P, upper dorsal lateral border of scapula D, greater tubercle of humerus P, infraspinous fossa of scapula D, greater tubercle of humerus P, subscapular fossa of scapula D, lesser tubercle of humerus
P, infraspinous fossa of scapula D, greater tubercle of humerus
From the list below, identify the proximal and distal attachments of the subscapularis. P, infraspinous fossa of scapula D, greater tubercle of humerus P, supraspinous fossa of scapula D, greater tubercle of humerus P, subscapular fossa of scapula D, lesser tubercle of humerus P, upper dorsal lateral border of scapula D, greater tubercle of humerus
P, subscapular fossa of scapula D, lesser tubercle of humerus
To locate the teres major, where would you look? Posterior of body, between scapula and spine of vertebrae Posterior of body, inferior to rotator cuff muscles Anterior of body, medial to deltoid Anterior of body, inferior to pectoralis major
Posterior of body, inferior to rotator cuff muscles
Select all that apply Identify the medial attachments of the trapezius. Spinous processes of T2-T5 Spinous processes of C7-T12 Ligamentum nuchae Occipital bone
Spinous processes of C7-T12 Ligamentum nuchae Occipital bone
Why is the forearm larger near the elbow than it is near the wrist? The articulation of the humerus, radius and ulna take up more space than the bones of the wrist. The tendons near the elbow are round, whereas the tendons near the elbow are aponeuroses or retinacula. The bellies of the forearm muscles that move the wrist are located near the elbow; the tendons of these muscles extend toward the wrist.
The bellies of the forearm muscles that move the wrist are located near the elbow; the tendons of these muscles extend toward the wrist.
True or false: All anterior muscles that move the pectoral girdle are deep to other thoracic muscles. True False
True
True or false: The subclavius is inferior to the clavicle. True False
True
Select all that apply Which are forearm muscles in the superficial layer of the posterior compartment? Extensor carpi ulnaris Flexor pollicis longus Extensor digiti minimi Extensor carpi radialis brevis Extensor digitorum Extensor carpi radialis longus
Extensor carpi ulnaris Extensor digiti minimi Extensor carpi radialis brevis Extensor digitorum Extensor carpi radialis longus
What is the MAIN action of the levator scapulae? It retracts the scapula. It depresses the scapula. It rotates the scapula superiorly. It elevates the scapula.
It elevates the scapula.
Which of the following best describes the location of the serratus anterior? It extends from the ribs to the coracoid process of the scapula. It is located between the anterior surface of the ribs and the anterior surface of the scapula. It is deep to the deltoid.
It is located between the anterior surface of the ribs and the anterior surface of the scapula.
Which of the superficial anterior forearm muscles is absent in about 10% of individuals and only weakly assists in wrist flexion? Flexor carpi ulnaris Pronator teres Palmaris longus Flexor carpi radialis
Palmaris longus
Which of the muscles that move the glenohumeral joint attach to the scapula? Only the biceps brachii and triceps brachii attach to the scapula. Only the rotator cuff muscles attach to the scapula. The latissimus dorsi, pectoralis major, biceps brachii, and triceps brachii attach to the scapula. The biceps brachii, triceps brachii, and the rotator cuff muscles attach to the scapula.
The biceps brachii, triceps brachii, and the rotator cuff muscles attach to the scapula.
From lateral to medial, the forearm muscles of the superficial layer of the anterior compartment are the ______.
1. pronator teres 2. flexor carpi radialis 3. palmaris longus 4. flexor carpi ulnaris
Select all that apply Name the forearm muscles in the deep layer of the posterior compartment? Flexor digitorum profundus Extensor pollicis longus Extensor pollicis brevis Extensor indicis Abductor pollicis longus Supinator
Extensor pollicis longus Extensor pollicis brevis Extensor indicis Abductor pollicis longus Supinator
From the list below, identify the proximal and distal attachments of the supraspinatus. P, infraspinous fossa of scapula D, greater tubercle of humerus P, supraspinous fossa of scapula D, greater tubercle of humerus P, subscapular fossa of scapula D, lesser tubercle of humerus P, upper dorsal lateral border of scapula D, greater tubercle of humerus
P, supraspinous fossa of scapula D, greater tubercle of humerus
From the list below, identify the proximal and distal attachments of the teres minor. P, infraspinous fossa of scapula D, greater tubercle of humerus P, subscapular fossa of scapula D, lesser tubercle of humerus P, upper dorsal lateral border of scapula D, greater tubercle of humerus P, supraspinous fossa of scapula D, greater tubercle of humerus
P, upper dorsal lateral border of scapula D, greater tubercle of humerus
Identify the action common to the following muscles:flexor carpi radialis, flexor carpi ulnaris, flexor digitorum superficialis, and flexor digitorum profundus. Hand abduction Wrist flexion Wrist extension Hand adduction
Wrist flexion
Select all that apply The superficial anterior muscles of the forearm include ______. flexor carpi ulnaris palmaris longus pronator teres flexor carpi radialis extensor carpi radialis
flexor carpi ulnaris palmaris longus pronator teres flexor carpi radialis
The flexor digitorum superficialis muscle attach to ______. the distal phalanges of fingers 2-5 skin of the fingers the tendon of palmaris longus the middle phalanges of fingers 2-5
the middle phalanges of fingers 2-5