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Hand & Wrist Exam

Muscles of the Hand & Wrist

October 12th, 2020

Muscles Acting on the Wrist Joint

Flexors (anteromedial) - flexor carpi radialis, palmaris longus, flexor carpi ulnaris
Extensors (posterolateral) - extensor carpi radialis longus & brevis, extensor carpi ulnaris
Abductors - flexor carpi radialis, extensor carpi radialis longus & brevis
Adductors - flexor carpi ulnaris, extensor carpi ulnaris
Pronators (anteromedial) - pronator teres, pronator quadratus
Supinator (posterolateral) - supinator

Muscles Acting on the Hand

Extrinsic Finger flexors - flexor digitorum superficialis, flexor digitorum profundus
Extrinsic Finger extensors - extensor digitorum, extensor digiti minimi, extensor indicis
Extrinsic Thumb muscles  - flexor pollucis longus, extensor pollucis longus & brevis, abductor pollucis longus
Thenar muscles (OAF)- opponens pollucis, abductor pollucis brevis, flexor pollucis brevis
Hypothenar muscles (OAF) - opponens digit minimi, abductor digiti minimi, flexor digiti minimi
Interossei - palmar and dorsal
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