-
Pronator Teres
- O- medial epicondyle and coronoid process
- I- lateral aspect of radius
- F- assist with pronation during rapid mvmt or againist resistance
- N- medican nerve
-
Flexor Carpi Radialis
- O- medial epicondyle
- I- base of 2nd metacarpal
- F- flex and abd wrist
- N- median nerve
-
Palmaris Longus
- not always present
- O- medial epicondyle
- I- flexor retinaculum and palmar aponeurosis
- F- tense palmar fascia weak wrist flexor
- N- median nerve
-
Flexor Ulnaris
- O- medial epicondyle, posterior border of ulna, olecranon of ulna
- I- base of 5th metacarpal, hook of hamate and pisiform as sesamoid bone
- F- flex and add wrist
- N- ulnar
-
Flexor Digitorum Superficialis
- O- medial epicondyle, ulnar, ulnar collateral ligament, ant border of radius
- I- middle phalanx of 2-5 (3,4 superficial 5,6 deep)
- F- flex wrist if fingers ext, flex PIP jt MP jt
- N-median
-
Flexor Digitorum Profundus
- O- posterior border of ulna, 2/3 of ulna, IM
- I- distal phalanx of 2-5
- F- flex wrist if fingers ext, flex DIP, PIP, MP
- N- 2,3 AIN 3,4 ulna
-
Flexor Pollicus Longus
- O- radius and IM
- I- base of distal phalanx of the thumb
- F- flex IP, MP, CM joint of thumb
- N- AIN
-
Pronator Quadratus
- O- distal 1/4 of ulna
- I- distal 1/4 of radius
- F- pronate the forearm
- N- AIN
-
Brachioradialis
- O- upper 2/3 lateral supracondlyar ridge
- I- radial styloid process
- F- flex elbow in semi-prone position
- N- radial
-
Extensor Carpi Radialis Longus
- O- lower 1/3 supracondlyar ridge
- I- base of 2nd metacarpal
- F- ext and abd wrist
- N- radial
-
Extensor Carpi Radialis Brevis
- O- lateral epicondyle
- I- base of 3rd metacarpal
- F- ext and abd wrist
- N- radial
-
Extensor Digitorum
- O- lateral epicondyle
- I- tendons to the second to fifth digits, they are joined together by tendinous interconnections (extensor expansion)
- F- ext digits ext wrist with finger flexed
- N- PIN
-
Extensor Carpi Ulnaris
- O- lateral epicondyle and proximal ulna
- I- fifth metacarpal
- F- ext and add wrist
- N- PIN
-
Extensor Digiti Minimi
- O- lateral epicondyle
- I- help form the extensor expansion over the fifth digit
- F- independent ext of 5th digit
- N- PIN
-
Supinator
- O- lateral epicondyle of humerus, lateral ligaments and ulna
- I- upper radius
- F- supination of the forearm
- N- PIN
-
Abductor Pollicus Longus
- O- radius, ulna, interosseus membrane
- I- base of the thumb
- F- abduct the thumb, extend thumb at CM joint, abduct wrist
- N- PIN
-
Extensor Pollicus Brevis
- O- radius and interosseus membrane
- I- base of the PIP joint of the thumb
- F- extend PIP join of thumb and wrist extension
- N- PIN
-
Extensor Pollicus Longus
- O- ulna and interosseus membrane
- I- base of the DIP joint of the thumb
- F- extend the thumb assist in wrist extension and abduction
- N- PIN
-
Extensor Indicis
- O- ulna and interosseus membrane
- I- medial side of extensor digitorium
- F- extend the index finger
- N- PIN
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