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58 Cards in this Set

  • Front
  • Back
Which four muscles make up the rotator cuff?
Supraspinous, infraspinous, teres minor, and subscapularis
The upper lateral region of the arm is part of which dermatome?
C5
The palmar pad of the thumb is part of which dermatome?
C6
The pad of the index finger is part of which dermatome?
C7
The pad of the little finger is part of which dermatome?
C8
The skin on the medial aspect of the elbow is part of which dermatome?
T1
Abduction of the arm at the glenohumeral joint is controlled by which spinal nerve?
C5
Flexion of the forearm at the elbow joint is controlled by which spinal nerve?
C6
Extension of the forearm at the elbow joint is controlled by which spinal nerve?
C7
Flexion of the fingers is controlled by which spinal nerve?
C8
Abduction and adduction of the index, middle, and ring fingers is controlled by which spinal nerve?
T1
All muscles in the anterior compartment of the arm are innervated by which nerve?
Musculocutaneous
The ______ nerve innervates all but two of the muscles in the anterior compartment of the forearm.
median
The two muscles in the anterior compartment not innervated by the median nerve are what?
Flexor carpi ulnaris and the medial half of the flexor digitorum profundus
The flexor carpi ulnaris and the medial half of the flexor digitorum profundus are innervated by which nerve?
ulnar
Most intrinsic muscles of the hand are innervated by the _____ nerve, except for the thenar muscles and two lateral lumbrical muscles, which are innervated by the ______ nerve.
ulnar; median
all muscles in the posterior compartments of the arm and forearm are innervated by the ______ nerve.
radial
The skin on the anterolateral side of the forearm is innervated by the ______ nerve.
musculocutaneous
The palmar surface of the lateral three and one-half digits is innervated by the ______ nerve.
median
The skin on the medial one and one-half digits are innervated by the ______ nerve.
ulnar
The skin on the posterior surface of the forearm ad dorsolateral surface of the hand is innervated by the _____ nerve.
radial
A fracture of the surgical neck of the humerus may injure which nerve?
axillary
A fracture of the middle of the humerus may damage which nerve?
radial
A fracture near the medial epicondyle of the humerus may damage which nerve?
ulnar
The superficial veins on the back of the hand make up the ______ ______ network.
dorsal venous
Blood is most commonly drawn from which vein?
median cubital
The pectoral girdle is formed by which two bones?
clavicle and scapula
Which are the superficial muscles of the shoulder?
trapezius and deltoid
What forms the boundaries of the quadrangular space?
-the inferior margin of subscapularis
-the surgical neck of the humerus
-the superior margin of teres major
-the lateral margin of the long head of triceps brachii
What forms the boundaries of the triangular space?
-the medial margin of the long head of the triceps brachii
-the superior margin of teres major
-the inferior margin of subscapularis
The long head of biceps brachii originates where?
supraglenoid tubercle of scapula
The short head of biceps brachii originates where?
apex of coracoid process
Biceps brachii inserts where?
radial tuberosity
The coracobrachialis originates where?
apex of coracoid process
the coracobrachialis inserrts where?
the mid-shaft of the humerus, medial side
the biceps brachii is innervated by which nerve?
musculocutaneous
the coracobrachialis is innervated by which nerve?
musculocutaneous
which artery originates from the first part of the axillary artery?
superior thoracic
which arteries originate from the second part of the axillary artery?
thoraco-acromial
lateral thoracic
which arteries originate from the third part of the axillary artery?
subscapular
anterior circumflex humeral
posterior circumflex humeral
the basilic and cephalic veins feed into what larger vein?
axillary
the brachial plexus is formed by the _____ rami of spinal nerves ____ to ____ and ____.
anterior; C5-C8 and T1
the dorsal scapular nerve originates from the ____ root of the brachial plexus
C5
what nerve innervates the rhomboid major and minor muscles?
dorsal scapular
the long thoracic nerve originates from the ___ to ____ roots of the brachial plexus
C5 to C7
the long thoracic nerve innervates what?
serratus anterior
the branches of the lateral cord are:
lateral pectoral nerve, musculocutaneous nerve, and lateral root of median nerve
the branches of the medial cord are:
medial pectoral nerve, medial brachial cutaneous nerve, medial antebrachial cutaneous nerve, medial root of median nerve, and ulnar nerve
the branches of the posterior cord of the brachial plexus are:
superior subscapular nerve, thoracodorsal nerve, inferior subscapular nerve, axillary nerve, and radial nerve
the humeral condyle that articulates with the radius of the forearm is the _______
capitulum
the humeral condyle that articulates with the ulna of the forearm is the ______.
trochlea
the _____ of the ulna can be palpated as the 'tip of the elbow'
olecranon
the brachialis originates where?
anterior aspect of humerus and adjacent intermuscular septae
the brachialis inserts on what?
the ulnar tuberosity
the brachialis is innervated by which nerve?
musculocutaneous
where does the triceps brachii originate?
long head - infraglenoid tubercle of scapula
medial and lateral heads - posterior surface of humerus
the triceps brachii inserts where?
olecranon
the triceps brachii is innervated by which nerve?
radial