MSK Anatomy Exam Questions With
Correct Answers A+
What muscles are innervated by the dorsal scapular nerve? - Answer✔levator scapulae,
rhomboid major and minor
What nerve innervates levator scapulae as well as rhomboid major and minor? - Answer✔dorsal
scapular nerve
What muscle does the long thoracic nerve innervate? - Answer✔serratus anterior
What nerve is serratus anterior innervated by? - Answer✔long thoracic nerve
What muscles are innervated by the suprascapular nerve? - Answer✔supraspinatus and
infraspinatus
What nerve innervates supraspinatus and infraspinatus? - Answer✔suprascapular nerve
What nerve innervates the latissimus dorsi? - Answer✔thoracodorsal nerve
What muscle is innervated by thoracodorsal nerve? - Answer✔latissimus dorsi
What muscle is innervated by upper scapular nerve? - Answer✔subscapularis
What nerve innervates the subscapularis muscle? - Answer✔upper scapular nerve
WHat muscles are innervated by the lower subscapular nerve? - Answer✔subscapularis and teres
major
What nerve innervates subscapularis and teres major? - Answer✔lower subscapular nerve
What nerve innervates the extensor muscles of the forearm? - Answer✔radial nerve
What nerve innervates the flexors of the forearm? - Answer✔median nerve
What nerve innervates flexor carpi ulnaris, the hypothenar muscles, and the medial part of flexor
digitorum profundus (FDP)? - Answer✔ulnar nerve
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What muscles are innervated by the ulnar nerve? - Answer✔flexor carpi ulnaris, flexor digitorum
profundus (medial part), hypothenars
What muscles are part of the rotator cuff? - Answer✔supraspinatus, infraspinatus, subscapularis,
teres minor
What is the action of supraspinatus? - Answer✔abducts arm
What is the only rotator cuff muscle that doesn't rotate the arm? - Answer✔supraspinatus
What spinal roots does suprascapular nerve come from? - Answer✔C5, C6
What is the origin of supraspinatus muscle? - Answer✔supraspinous fossa of scapula
What is the insertion of the supraspinatus muscle? - Answer✔greater tubercle of humerus
What is the origin of the infraspinatus muscle? - Answer✔infraspinous fossa of scapula
What is the insertion of the infraspinatus muscle? - Answer✔greater tubercle of humerus
What is the action of the infraspinatus muscle? - Answer✔external rotation of arm
What is the origin of teres minor? - Answer✔lateral border of scapula
What is the insertion of teres minor? - Answer✔greater tubercle of humerus
What is the action of teres minor? - Answer✔external rotation of arm
What is the only rotator cuff muscle that doesn't have its insertion on the greater tubercle? -
Answer✔subscapularis
Where supraspinatus, infraspinatus and teres minor have insertions? - Answer✔greater tubercle
of humerus
What is the origin of the subscapularis muscle? - Answer✔subscapular fossa
What is the insertion of the subscapularis muscle? - Answer✔lesser tubercle of humerus
What is the action of the subscapularis muscle? - Answer✔internal rotation of arm
What are the boundaries of the cubital fossa? - Answer✔line between epicondyles,
brachioradialis and pronator teres
What serves as the floor of the cubital fossa? - Answer✔supinator and brachialis
What serves as the roof of the cubital fossa? - Answer✔bicipital aponeurosis
What are the contents of the cubital fossa? - Answer✔biceps brachii tendon, brachial artery,
median nerve, radial and ulnar arteries, superficial veins
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