| Muscle | Origin | Insertion | Action |
| flexor carpi radialis | medial epicondyle | 2nd and 3rd metacarpals | flexes wrist |
| palmaris longus | medial epicondyle | palmar aponeurosis | flexes wrist |
| flexor carpi ulnaris | medial epicondyle and upper ulna | pisiform and 5th metacarpal | flexes wrist |
| extensor carpi radialis longus | lateral epicondyle | 2nd metacarpal | extends wrist |
| flexor digitorum superficialis | medial epicondyle, parts of the ulna and radius | middle phalanges 2-5 | flexes middle phalanges |
| flexor digitorum profundus | shaft of ulna | distal phalnges 2-5 | flexes fingertips |
| flexor pollicis longus | shaft of radius | 1st distal phalanx | flexes thumb |
| extensor digiti minimi | lateral epicondyle | 5th digit | extends 5th digit |
| extensor carpi radialis brevis | lateral epicondyle | 3rd metacarpal | extends wrist |
| extensor digitorum | lateral epicondyle | digits 2-5 | extends fingers |
| extensor carpi ulnaris | lateral epicondyle | 5th metacarpal | extends wrist |
| supinator | lateral epicondyle and proximal ulna | shaft of radius | supination of wrist and hand |
| extensor pollicis longus | posterior ulna | 1st distal phalanx | extends thumb |
| abductor pollicis longus | ulna and radius | 1st metacarpal | abducts thumb |
| abductor pollicis brevis | carpals and flexor retinaculum | proximal phalanx of thumb | abducts thumb |
| adductor pollicis | metacarpals 2 and 3 | proximal phalanx of thumb | adducts thumb |
| extensor indicis | . | . | extends phalanges |
