EXSS 275L - Elbow, Wrist, Hand Posterior Forearm superficial and deep extensors/supinators
Extensor pollicis longus insertion
Base of distal phalanx of thumb
Abductor pollicis longus insertion
Base of the 1st metacarpal
Extensor digitorum insertion
Bases of middle and distal phalanges of the medial 4 digits
Extensor indicis origin
Distal posterior ulna Interosseous membrane
Extensor carpi radialis brevis insertion
Dorsal surface of base of 3rd metacarpal
Extensor indicis insertion
Dorsal surface of base of middle and distal phalanx of the index finger
Extensor pollicis longus action
Extension of distal phalanx of thumb
Supinator Action
Forearm supination
Extensor indicis action
Index finger MCP extension Assists with wrist extension
Extensor carpi radialis brevis origin
Lateral epicondyle of humerus
Extensor carpi ulnaris origin
Lateral epicondyle of humerus
Supinator origin
Lateral epicondyle of humerus Lateral ulna
Extensor digitorum action
MCP extension of medial 4 digits Assists with wrist and elbow extension
Extensor carpi ulnaris insertion
Medial side of base of 5th metacarpal
Extensor pollicis longus origin
Posterior surface of ulna Interosseous membrane
Abductor pollicis longus origin
Posterior surface of ulna Interossesus membrane Middle of posterior surface of radius
Abductor pollicis longus innervation
Radial nerve
Extensor carpi radialis longus innervation
Radial nerve
Extensor indicis innervation
Radial nerve
Extensor pollicis longus innervation
Radial nerve
Supinator Innervation
Radial nerve
Abductor pollicis longus action
Thumb and wrist abduction
Extensor carpi radialis brevis action
Wrist extension Radial deviation Assist with elbow extension
Extensor carpi radialis longus action
Wrist extension Radial deviation Assists with elbow extension
Extensor carpi ulnaris action
Wrist extension Ulnar deviation Assist with elbow extension
Extensor carpi radialis longus insertion
dorsal surface of base of 2nd metacarpal
Extensor carpi radialis longus origin
lateral epicondyle of humerus
Extensor digitorum origin
lateral epicondyle of humerus
Supinator insertion
lateral surface of radius
Extensor carpi ulnaris innervation
radial nerve
Extensor digitorum innervation
radial nerve
