-
Extensor Carpi Ulnaris:
O:
I:
A:
- O: common extensor tendon from lateral epicondyle of the humerus
- I: base of the 5th metacarpal
- A: adduct the wrist
-
Extensor Digitorum
O:
I:
A:
- O: common extensor tendon from lateral epicondyle of humerus
- I: base of middle + distal phalanges of 2nd-5th fingers
- A: assist to extend the wrist
-
Anconeus
O:
I:
A:
- O: lateral epicondyle of humerus
- I: lateral border of the olecranon process
- A: extend the elbow
-
biceps brachii
O:
I:
A:
- O: coracoid process of the scapula (short head); supraglenoid tuberosity of the scapula (long head)
- I: radial tuberosity
- A: flex the elbow
-
brachialis..
O:
I:
A:
- O: distal half of the anterior surface of the humerus
- I: tuberosity and coronoid process of the ulna
- A: flex the elbow
-
brachioradialis...
O:
I:
A:
- O: lateral supracondylar ridge of humerus
- I: styloid process of the raidus
- A: Flex the elbow
-
extensor carpi radialis brevis...
O:
I:
A:
- O: common extensor tendon form the lateral epicondyle of the humerus
- I: base of the 3rd metacarpal
- A: wrist extension
-
extensor carpi radialis longus...
O:
I:
A;
- O: lateral supracondylar ridge of the humerus
- I: base of the 2nd metacarpal
- A: wrist extension
-
flexor carpi radialis...
O:
I:
A:
- O: common flexor tendon from medial epicondyle of the humerus
- I: baseses of the 2nd and 3rd metacarpals
- A: wrist flexion ; abduct the wrist
-
flexor carpi ulnaris..
O:
I:
A:
- O: posterior surface of proximal 2/3rds of the ulna
- I: pisiform, hook of the hamate and the base of the 5th metacarpal
- A: wrist flexion, adduct the wrist
-
flexor digitorum profundus....
O:
I:
A:
- O: anterior and medial surfaces of proximal 3/4th of ulna
- I: bases of the distal 2-5 phalanges
- A: assist to flex the wrist
-
flexor diggitorum superficialis..
O:
I:
A:
- O: common flexor tendon from medial epicondyle of humerus
- I: middle phalanges of 2nd - 5th digits
- A: wrist flexion
-
palmaris longus...
O:
I:
A:
- O: common flexor tendon from medial epicondyle of the humerus
- I: flexor reteinaculum and palmar aponeurosis
- A: flex the wrist
-
pronator quadratus...
O:
I:
A:
- O: medial, anterior surface of distal ulna
- I: lateral, anterior surface of the distal radius
- A: forearm pronation
-
pronator teres...
O:
I:
A:
- O: proximal to the medial epicondyle of humerus
- I: middle of the lateral radius
- A: assist to flex the elbow
-
supinator...
O:
I:
A:
- O: lateral epicondyle of humerus, radial collateral ligament, annular ligament and supinator crest of ulna
- I: proximal 1/3rd of the radius
- A: forearm supinator
-
trcieps brachii...
O:
I:
A:
- O: posterior humerus
- I: olecranon process of the ulna
- A: extend the elbow
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