Elbow, wrist, hand muscles

Question 1

Bicep brachii
O I F

Answer 1

O - (2 heads) supraglenoid tubercle & tip of coracoid process
I - Radial tuberosity
F - elbow f, supinator, weak shoulder f

Question 2

Brachialis

Answer 2

O - anterior distal half of the humerus
I - coronoid process of ulna
F - elbow f

Question 3

brachioradialis

Answer 3

O - lateral supracondylar ridge of humerus
I - styloid process of radius
F - elbow f

Question 4

tricep brachii

Answer 4

O - (3 heads) long-inferior glenoid tubercle, medial-inferior to radial groove, lateral-superior to radial groove
I - olecranon
F - elbow e, weak shoulder extension & add

Question 5

Flexor carpi ulnaris
- O
- I
- F

Answer 5

• O - medial epicondyle
• I - Hamate, pisiform and base of 5th meta carpal
• F - wrist flexion and ulnar deviation

Question 6

Flexor Carpi radialis
- O
- I
- F

Answer 6

• O - medial epicondyle
• I - base of 2-3 metacarpals
• F - wrist flex and ulnar deviation

Question 7

Flexor digitorum superficials
- O
- I
- F

Answer 7

• O - medial epicondyle, coronoid process & radial head
• I - 2nd to 5th phalanges
• F - MCP & PIP flexion

Question 8

Flexor digitorum profundus
- O
- I
- F

Answer 8

• O - anterior surface of proximal ulna
• I - palma surface of distal phalanges
• F - MCP & IP flexion

Question 9

Flexor pollicis longus
- O
- I
- F

Answer 9

• O - anterior surface of radius and intraosseoz membrane
• I - base of distal phalanx
• F - MCP and IP flexion

Question 10

flexor pollicis brevis
- O
- I
- F

Answer 10

• O - trapezium trapezoid capitate
• I - base of proximal phalanges
• F - MCP flexion

Question 11

Pronator teres
- O
- I
- F

Answer 11

• O - medial epicondyle (humerus) and coronoid process
• I - lateral radius
• F - pronation

Question 12

extensor carpi radialis longus
- O
- I
- F

Answer 12

• O - lateral epicondyle
• I - dorsal surface of 2nd metacarpal
• F - wrist extension and radial deviation

Question 13

extensor carpi radialis brevis

• O
• I
• F

Answer 13

• O - lateral epicondyle (humerus)
• I - dorsal base of 3rd metacarpal
• F - wrist extension and radial deviation

Question 14

extensor carpi ulnaris
- O
- I
- F

Answer 14

• O - lateral epicondyle of humerus
• I - 5th metacarpal
• F - wrist extension and ulna deviation

Question 15

extensor digitorum
- O
- I
- F

Answer 15

• O - lateral epicondyle
• I - dorsal side of digits 2nd-5th
• F - MCP and IP extension

Question 16

Extensor pollicis longus
- O
- I
- F

Answer 16

• O - posterior surface of ulna and intraosseoz membrane
• I - base of distal 1st phalange
• F - MCP and IP extension

Question 17

Extensor pollicis brevis
- O
- I
- F

Answer 17

• O - posterior surface of ulna and intraosseoz membrane
• I - base it proximal 1st phalange
• F - MCP extension