Chapter 9-Muscles of hand, thumb and fingers

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Interossei Dorsalis

Abduct, flex proximal phalanges.

Abductor Digiti Minimi

Abducts little finger.

Abductor Pollicis Brevis

Abducts thumb.

Abductor Pollicis Longus

Abducts, extends thumb.

Interossei Palmaris

Adduct, flex proximal phalanges.

Adductor Pollicis

Adducts thumb.

Extensor Indicis

Extends index finger.

Extensor Pollicis Longus

Extends terminal phalanx.

Extensor Digitorum Communis

Extends the fingers.

Extensor Pollicis Brevis

Extends thumb.

Flexor Pollicis Longus

Flexes 2nd phalanx of thumb.

Opponens Pollicis

Flexes and opposes thumb.

Flexor Digiti Minimi Brevis

Flexes little finger.

Flexor Digitorum superficialis

Flexes middle phalanges

Flexor Digitorum Profundus

Flexes terminal phalanx.

Flexor Pollicis Brevis

Flexes thumb.

Opponens Digiti Minimi

Rotates, abducts 5th metacarpal

Supinator

Supinates forearm

Pronator Teres and Pronator Quadratus

Two muscles that pronate the forearm


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