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First Layer of Muscles of Plantar Part of Foot (Left)
Muscular System

First Layer of Muscles of Plantar Part of Foot (Left)

Lamina prima musculorum partis plantaris pedis

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Description

The first layer is the most superficial of the four muscle layers of the plantar part of the foot. Overall, the muscles in this layer mainly act to:

- flex the toes at their metatarsophalangeal and interphalangeal joints;

- abduct the great and little toes at their metatarsophalangeal joints.

The first layer of muscles of the plantar part of the foot consists of the:

- abductor hallucis;

- abductor digiti minimi of foot;

- flexor digitorum brevis.

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Foot Muscle

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In fact, atrophy of foot muscles is even observed in patients without clinical signs of DSPN, underlining the presence of motor changes in DSPN well in advance of clinical findings and complaints [85].

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