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Nat. Review chpt. 7c

Muscles of the hand

MuscleAttachment 1 (origin)Attachment 2 (insertion)Action 1Action 2Innervation
Palmaris longus Medial epicondyle of the humerus palm of the hand Flexion of the hand Median Nerve
Flexor carpi ulnaris Medial epicondyle of the humerus Ulnar hand on the anterior side Flexion of the hand Ulnar deviation (adduction) of the hand Ulnar nerve
Flexor digitorum superficialis Medial epicondyle of the humerus and the anterior ulna and radius Fingers 2-5 Flexion of fingers 2-5 Flexion of the hand Median Nerve
Flexor digitorum profundus Medial and anterior ulna anterior surfaces of fingers 2-5 Flexion of fingers 2-5 Flexion of the hand Median and Ulnar Nerves
Flexor pollicis longus Anterior surface of the radius Thumb Flexion of the thumb Flexion of the hand Median Nerve
Extensor carpi radialis longus Lateral supracondylar ridge of the humerus Radial hand on the posterior side Extension of the hand Radial deviation (abduction) of the hand Radial Nerve
Extensor carpi radialus brevis Lateral epicondyle of the humerus Radial hand on the posterior side Extension of the hand Radial deviation (abduction) of the hand Radial Nerve
Extensor digitorum Lateral epicondyle of the humerus Phalanges of fingers 2-5 Extension of fingers 2-5 Extension of the hand Radial Nerve
Extensor digiti minimi Lateral epicondyle of the humerus Phalanx of the little finger Extension of the little finger Extension of the hand Radial Nerve
Extensor carpi ulnaris Lateral epicondyle of the humerus Ulnar hand on the posterior side Extension of the hand Ulnar deviation (adduction) of the hand Radial Nerve
Abductor pollicis longus Posterior radius and ulna Thumb Abduction of the thumb Radial Nerve
Extensor pollicis brevis Posterior radius Thumb Extension of the thumb Radial Nerve
Extensor pollicis longus Posterior ulna Thumb Extension of the thumb Radial Nerve
Extensor indicis Posterior ulna Index finger Extension of the index finger Extension of the hand Radial Nerve
Abductor pollicis brevis Flexor retinaculum and the carpals Proximal phalanx of the thumb Abduction of the thumb Median Nerve
Flexor pollicis brevis Flexor retinaculum and the carpals Proximal phalanx of the thumb Flexion of the thumb Median and Ulnar Nerves
Opponenes pollicis Flexor retinaculum and the carpals !st metacarpal of the thumb Opposition of the thumb Median and Ulnar Nerves
Abductor digiti minimi manus Carpals Proximal phalanx of the little finger Abduction of the little finger Ulnar Nerve
Flexor digiti minimi manus Flexor retinaculum and the carpals Proximal phalanx of the little finger Flexion of the little finger Ulnar nerve
Opponens digiti minimi Flexor retinaculum and the carpals 5th metacarpal (of the little finger) Opposition of the little finger Ulnar nerve
Adductor pollicis 3rd metacarpal Thumb Adduction of the thumb Ulnar nerve
Flexor carpi radialis Medial epicondyle of the humerus Radial hand on the anterior side Flexion of the hand Radial deviation (abduction) of the hand Median Nerve
Created by: skpoem
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