Dissection 12: Anterior Arm, Anterior Forearm and Cubital Fossa Flashcards

1
Q

what does the ulnar nerve leave the anterior compartment of the forearm via?

A

cubital tunnel (posterior to medial epicondyle)

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2
Q

what does the ulnar nerve reenter the anterior compartment of the forearm via?

A

flexor carpi ulnaris

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3
Q

name the nerve that supplies all the muscles of the anterior arm?

A

musculocutaneous nerve

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4
Q

name the 3 muscles of the anterior compartment of the arm?

A

biceps brachii
coracobrachialis
brachialis

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5
Q

most anterior muscle of the arm?

A

biceps brachii

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6
Q

origin of long head of biceps brachii?

A

supraglenoid tubercle of scapula

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7
Q

origin of short head of biceps brachii?

A

coracoid process of scapula

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8
Q

how many muscles attach to the coracoid process of the scapula?

A

3

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9
Q

name the muscles that attach to the coracoid process of the scapula?

A

coracobrachialis
short head of biceps brachii
pectoralis minor

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10
Q

insertion of the biceps brachii?

A

biceps tendon

biceps aponeurosis

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11
Q

what does the biceps tendon attach to?

A

radial tuberosity

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12
Q

what are the nerve root values of the musculocutaneous nerve

A

C5 and 6

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13
Q

origin of the coracobrachialis?

A

coracoid process of the scapula

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14
Q

insertion of coracobrachialis?

A

humerus

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15
Q

is coracobrachialis medial or lateral to brachialis?

A

medial

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16
Q

what separates the coracobrachialis from the posterior compartment?

A

medial intermuscular septae

17
Q

where does the brachialis originate?

A

humerus

18
Q

where does the brachialis insert?

A

coronoid process of ulna

19
Q

what separates the brachialis from the posterior compartment?

A

lateral intermuscular septae

20
Q

most powerful supinator of forearm

A

biceps brachii

21
Q

nerve supply to most of the muscles of the anterior forearm?

A

median nerve

22
Q

which are the only muscles of the anterior forearm not to be supplied by the median nerve?

A

flexor carpi ulnaris

medial part of flexor digitorum profundus

23
Q

what are the muscles of the anterior forearm that aren’t supplied by the median nerve supplied by?

A

ulnar nerve

24
Q

other name for the wrist?

A

carpus

25
Q

which muscles of the anterior forearm are in the superficial layer?

A

pronator teres
palmaris longus
flexor carpi radialis
flexor carpi ulnaris

26
Q

what muscles lie in the intermediate layer of the anterior forearm?

A

flexor digitorum superficialis

27
Q

what muscles lie in the deep layer of the anterior forearm?

A

flexor digitorum profundus
flexor pollicis longus
pronator quadratus

28
Q

what holds the long tendons of the muscles of the anterior forearm in place?

A

palmar carpal ligament

flexor retinaculum

29
Q

where is pain felt in golfers elbow?

A

medial epicondyle

30
Q

what is the disease process behind golfers elbow?

A

tendonitis

31
Q

what structures are palpable in the cubital fossa?

A

distal tendon and aponeurosis of biceps brachii

32
Q

where does the radial nerve branch

A

deep to brachialis

33
Q

what are the skin and fascia of the cubital fossa innervated by?

A

cutaneous nerves of arm and forearm

34
Q

where can the ulnar nerve be palpated?

A

medial epicondyle of the humerus

35
Q

what nerve is felt in funny bone?

A

ulnar nerve