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25 Cards in this Set

  • Front
  • Back
All extensor muscles of the upper limb are innervated by the ___ nerve or a branch of that nerve.
Muscles that flex the elbow are innervated by (the)
musculocutaneous and radial nerves
A pairs figure skater who is accidentally dropped by her partner suffers a broken clavicle in the fall. Which of the following muscles is the most likely damaged in the injury?
The symptoms of numbness of the palmar region often associated with carpal tunnel syndrome is caused by the
compression of the median nerve within the carpal tunnel
A shoulder separation is defined as a break between the distal end of the clavicle and the scapula. If the ligament between these bones is torn, what muscle of the shoulder region is the most likely also to be injured?
Extensors of the elbow include (the)
triceps brachii and anconeus
The muscles of the arm (brachium) are divided into which of the following compartments?
anterior and posterior
The action of the rhomboideus major muscle is to
adduct and rotate the scapula downward
Triceps brachii is assisted in extension of the elbow by the synergistic muscle
The rhomboid muscles are innervated by (the)
dorsal scapular nerve
The ___ muscle covers most of the surface area of the upper back
Actions of the biceps brachii muscle include
a) flexion of the shoulder
b) supination of the forearm
c) flexion of the elbow
The ___ muscle is the most active muscle of the pectoral girdle because it can move the scapula in nearly any direction
The muscles that form the rotator cuff include the
supraspinatus, infraspinatus, teres minor, and subscapularis
At the start of abduction of the arm, the deltoid muscle is assisted by (the)
The primary flexors of the wrist include which of the following muscles?
flexor carpi ulnaris, flexor carpi radialis, and palmaris longus
The muscle that can both flex and adduct the arm is (the)
pectoralis major
The muscle just superior to the spine of the scapula that is part of the rotator cuff is the
Which muscle originates on the transverse processes of cervical vertebrae?
levator scapulae
Carpal tunnel syndrome results when tendons of the digital flexors pinch the ___ nerve
Muscles that originate on the hamate bone include (the)
flexor digiti minimi brevis and opponens digiti minimi
The subclavius muscle
inserts on the clavicle
Of the muscles that move the forearm and the hand
Some originate on the scapula
The forearm muscles that provide strength and gross control of the hand and fingers are (the)
extrinsic muscles of the hand
The origin of the deltoid is (the)
Clavicle and scapula