AD 9 anterior arm forearm

Question 1

What are the 2 compartments of the arm

Answer 1

Anterior and posterior

Question 2

what are the 3 muscles of the anterior arm

Answer 2

coracobrachialis, brachialis, biceps brachii

Question 3

what is the origin and insertion of coracobrachialis

Answer 3

Coracoid process to the mid shaft of the humerus

Question 4

What is the action of coracobrachialis

Answer 4

flexor of arm at glenohumeral joint

Question 5

What is the nerve supply of coracobrachialis

Answer 5

musculocutaneous nerve c5, c6, c7

Question 6

What is the origin and insertion of brachialis

Answer 6

anterior humerus to tuberosity of ulna

Question 7

What is the action of brachialis

Answer 7

flexor of forearm at elbow joint

Question 8

What is the nerve supply of brachialis

Answer 8

musculocutaneous nerve c5, c6, and little bit of radial nerve c7

Question 9

What is the origin and insertion of biceps brachii

Answer 9

short head - coracoid process. long head - supraglenoid tubercule of scapula. insertion is radial tuberosity

Question 10

What is the action of biceps brachii

Answer 10

flexor of forearm at elbow joint, supinator of forearm, accessory flexor of forearm at GH joint

Question 11

what is the funny bone

Answer 11

ulnar nerve runs posteriorly to medial epicondyle of humerus

Question 12

how does the ulnar nerve run from arm to forearm

Answer 12

runs in anterior compartment, then pierces posterior compartment, runs posteriorly to medial epicondyle of humerus

Question 13

what flexor does the ulnar nerve run through to reach anterior compartmeent of forearm

Answer 13

flexor carpi ulnaris

Question 14

Entrapment of the ulnar nerve is the cubital tunnel is what

Answer 14

cubital tunnel syndrome

Question 15

What is the medial boundary of cubital tunnel

Answer 15

pronator teres

Question 16

what is the lateral boundary of cubital tunnel

Answer 16

brachioradialis

Question 17

What is the superior boundary of cubital tunnel

Answer 17

imaginary horizontal line between two epicondyles of humerus

Question 18

What are the superficial contents of cubital fossa

Answer 18

median cubital vein, cephalic vein, basilic vein, distal tendon and aponeurosis of biceps brachii

Question 19

What are the deep contents of cubital fossa, medial to lateral

Answer 19

median nerve, brachial artery, radial nerve

Question 20

What are the muscles in the superficial layer of anterior compartment of forearm

Answer 20

pronator teres
palmaris longus
flexor carpi radialis
flexor carpi ulnaris

Question 21

What is the common attachment point for superficial layer anterior forearm muscles

Answer 21

common flexor tendon to medial epicondyle of humerus

Question 22

What are the muscles in intermediate layer of anterior compartment of forearm

Answer 22

flexor digitorum superficialis

Question 23

What is the attachment point for intermediate layer

Answer 23

medial epicondyle of humerus, coronoid process of ulna and radial head

Question 24

What are the muscles in deep layer of anterior compartment of forearm

Answer 24

flexor digitorum profundus
flexor pollicis longus
pronator quadratus

Question 25

what is the attachment point of muscles in deep layer of anterior compartment

Answer 25

anterior surfaces of radius or ulna

Question 26

what is golfers elbow

Answer 26

medial epicondylitis

Question 27

what is tennis elbow

Answer 27

lateral epicondylitis