Dissection 12: Anterior Arm, Anterior Forearm and Cubital Fossa

Question 1

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

Answer 1

cubital tunnel (posterior to medial epicondyle)

Question 2

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

Answer 2

flexor carpi ulnaris

Question 3

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

Answer 3

musculocutaneous nerve

Question 4

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

Answer 4

biceps brachii
coracobrachialis
brachialis

Question 5

most anterior muscle of the arm?

Answer 5

biceps brachii

Question 6

origin of long head of biceps brachii?

Answer 6

supraglenoid tubercle of scapula

Question 7

origin of short head of biceps brachii?

Answer 7

coracoid process of scapula

Question 8

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

Answer 8

3

Question 9

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

Answer 9

coracobrachialis
short head of biceps brachii
pectoralis minor

Question 10

insertion of the biceps brachii?

Answer 10

biceps tendon

biceps aponeurosis

Question 11

what does the biceps tendon attach to?

Answer 11

radial tuberosity

Question 12

what are the nerve root values of the musculocutaneous nerve

Answer 12

C5 and 6

Question 13

origin of the coracobrachialis?

Answer 13

coracoid process of the scapula

Question 14

insertion of coracobrachialis?

Answer 14

humerus

Question 15

is coracobrachialis medial or lateral to brachialis?

Answer 15

medial

Question 16

what separates the coracobrachialis from the posterior compartment?

Answer 16

medial intermuscular septae

Question 17

where does the brachialis originate?

Answer 17

humerus

Question 18

where does the brachialis insert?

Answer 18

coronoid process of ulna

Question 19

what separates the brachialis from the posterior compartment?

Answer 19

lateral intermuscular septae

Question 20

most powerful supinator of forearm

Answer 20

biceps brachii

Question 21

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

Answer 21

median nerve

Question 22

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

Answer 22

flexor carpi ulnaris

medial part of flexor digitorum profundus

Question 23

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

Answer 23

ulnar nerve

Question 24

other name for the wrist?

Answer 24

carpus

Question 25

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

Answer 25

pronator teres palmaris longus flexor carpi radialis flexor carpi ulnaris

Question 26

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

Answer 26

flexor digitorum superficialis

Question 27

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

Answer 27

flexor digitorum profundus flexor pollicis longus pronator quadratus

Question 28

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

Answer 28

palmar carpal ligament | flexor retinaculum

Question 29

where is pain felt in golfers elbow?

Answer 29

medial epicondyle

Question 30

what is the disease process behind golfers elbow?

Answer 30

tendonitis

Question 31

what structures are palpable in the cubital fossa?

Answer 31

distal tendon and aponeurosis of biceps brachii

Question 32

where does the radial nerve branch

Answer 32

deep to brachialis

Question 33

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

Answer 33

cutaneous nerves of arm and forearm

Question 34

where can the ulnar nerve be palpated?

Answer 34

medial epicondyle of the humerus

Question 35

what nerve is felt in funny bone?

Answer 35

ulnar nerve