The muscular system MCQ

B) levator scapulae

Which muscles allow you to shrug your shoulders? A) supraspinatus B) levator scapulae C) pectoralis major D) latissimus dorsi

C) teres major

All of the following are rotator cuff muscles except the A) supraspinatus B) teres minor C) teres major D) subscapularis

A) originate mostly on the medial epicondyle of the humerus

Except for the deepest layer, the anterior muscles of the antebrachial region A) originate mostly on the medial epicondyle of the humerus B) assist in supinating the forearm C) extend the wrist and fingers D) all of the above

D) deltoid

In terms of adduction and abduction of the arm, which muscle opposes the pectoralis major and latissimus dorsi? A) teres major B) infraspinatus C) coracobrachialis D) deltoid

C) intrinsic muscles of the forearm

Muscles of the pectoral girdle and upper limbs are organized into all of the following groups except A) muscles that move the pectoral girdle B) muscles that move the glenohumeral joint C) intrinsic muscles of the forearm D) intrinsic muscles of the hand

D) all of the above

Muscles with origins on the lateral epicondyle of the humerus A) include the anconeus and supinator B) are mostly extensors C) are innervated by the radial nerve D) all of the above

D) coracobrachialis

Of all the scapular muscles, the only one that flexes and adducts the arm is the A) teres major B) supraspinatus C) infraspinatus D) coracobrachialis

C) infraspinatus and teres minor

Of the following, which muscles are antagonists to the subscapularis? A) coracobrachialis and teres major B) pectoralis major and latissimus dorsi C) infraspinatus and teres minor D) all of the above

B) teres major

The ____________ assists the subscapularis in medial rotation of the arm. A) teres minor B) teres major C) triceps brachii (long head) D) deltoid (posterior fibers)

D) all of the above

The appendicular muscles A) stabilize the pectoral and pelvic girdles B) control the movements of the upper and lower limbs C) work in groups that are either synergistic or antagonistic D) all of the above

B) extension

Which action is performed my most muscles in the posterior compartment of the forearm? A) flexion B) extension C) supination D) pronation

D) serratus anterior

Which muscle contributes most directly to the careers of boxers? A) trapezius B) pectoralis major C) rhomboid major D) serratus anterior

C) latissimus dorsi

Which muscle extends, adducts, and medially rotates the arm? A) pectoralis major B) deltoid C) latissimus dorsi D) teres minor

D) triceps brachii

Which muscle is the prime mover in extension of the elbow? A) brachialis B) biceps brachii C) anconeus D) triceps brachii

B) serratus anterior

Which muscle is the prime mover in protraction of the scapula? A) pectoralis minor B) serratus anterior C) levator scapulae D) subclavius

A) triceps brachii

Which muscle of the upper limb inserts onto specialized areas of deep fascia rather than bone? A) triceps brachii B) palmaris longus C) pronator teres D) adductor pollicis