Elbow

Question 1

bicep brachii origin

Answer 1

Short head: coracoid process of the scap. Long head: supraglenoid tuberosity of the scap

Question 2

bicep brachii insertion

Answer 2

Tuberosity of the radius

Question 3

bicep brachii nerve supply

Answer 3

Musculocutaneous nerve C5, C6

Question 4

bicep brachii function

Answer 4

Flexion of the elbow, supination of the forearm, assists in flexion of the shoulder

Question 5

brachialis origin

Answer 5

Distal half of the anterior aspect of the humeral shaft; medial and lateral intermuscular septa

Question 6

brachialis insertion

Answer 6

Tuberosity and coronoid process of the ulna

Question 7

brachialis nerve supply

Answer 7

Musculocutaneous n. C5, C6

Question 8

brachialis function

Answer 8

Flexion of the elbow

Question 9

brachioradialis origin

Answer 9

Upper 2/3 of the lateral supracondylar ridge of the humerus; lateral intermuscular septum

Question 10

brachioradialis insertion

Answer 10

Styloid process of the radius

Question 11

brachioradialis nerve supply

Answer 11

Radial n. C5, C6

Question 12

brachioradialis function

Answer 12

Flexion of the elbow

Question 13

tricep brachii origin

Answer 13

Long head: infraglenoid tuberosity of the scapula. Lateral head: posterior and lateral surfaces of the humeral shaft. Medial head: posterior and medial surfaces of the humeral shaft.

Question 14

tricep brachii insertion

Answer 14

Olecranon process of the ulna

Question 15

tricep brachii nerve supply

Answer 15

Radial n. C7, C8

Question 16

tricep brachii function

Answer 16

Extension of the elbow, the long head assists in extending the shoulder

Question 17

anconeus origin

Answer 17

Lateral epicondyle of the humerus

Question 18

anconeus insertion

Answer 18

Lateral surface of the olecranon; superior ¼ of the posterior aspect of the ulna

Question 19

anconeus nerve supply

Answer 19

Radial n. C7, C8

Question 20

anconeus function

Answer 20

Assists in extending the elbow

Question 21

supinator origin

Answer 21

Lateral epicondyle of the humerus, supinator crest of the ulna, radial collateral ligament of the elbow, annular ligament of the radius

Question 22

supinator insertion

Answer 22

Tuberosity and oblique line of the radius, dorsolateral surface of the upper 1/3 of the radial shaft

Question 23

supinator nerve supply

Answer 23

Deep branch of the radial n. C6

Question 24

supinator function

Answer 24

Supination of the forearm

Question 25

pronator quadratus origin

Answer 25

Anterior aspect of the distal ¼ of the ulna

Question 26

pronator quadratus insertion

Answer 26

Anterior aspect of the distal ¼ of the radius

Question 27

pronator quadratus nerve supply

Answer 27

Median n. C8, T1

Question 28

pronator quadratus function

Answer 28

Pronation of the forearm

Question 29

pronator teres origin

Answer 29

Humeral head: medial epicondylar ridge of the humerus, common forearm flexor tendon Ulnar head: coronoid process of the ulna

Question 30

pronator teres insertion

Answer 30

Lateral surface of the midshaft of the radius

Question 31

pronator teres nerve supply

Answer 31

Median n. C6, C7

Question 32

pronator teres function

Answer 32

Pronation of the forearm, assists in flexion of the elbow

Question 33

flexor carpi radialis origin

Answer 33

Medial epicondyle of the humerus via the common forearm flexor tendon, antebrachial fascia

Question 34

flexor carpi radialis insertion

Answer 34

Base of 2nd and 3rd MCs

Question 35

flexor carpi radialis nerve supply

Answer 35

Median n. C6, C7

Question 36

flexor carpi radialis function

Answer 36

Flexion and abduction (RD) of the wrist