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Muscle Layers of the foot (2nd Layer (Lumbricals (Flexes proximal…
Muscle Layers of the foot
3rd Layer
Flexor Hallucis Brevis
Flexes Proximal Phalanx of 1st digit
Medial Plantar Nerve
Nerve Roots - S2, S3
Adductor Hallucis
Adducts 1st Digit and assists in trasverse arch of foot
Deep Branch of Lateral Plantar Nerve
Nerve Roots - S2, S3
Flexor Digiti Minimi Brevis
Flexes Proximal phalanx of the 5th digit.
Superficial Branch of Lateral Plantar Nerve
Nerve Roots - S2, S3
4th layer
Palmar Interossei (3)
Adducts digits 3-5, Flex MTP joints
Lateral Plantar Nerve
Nerve Roots - S2, S3
Dorsal Interossei (4)
Abducts digits 2-4, Flex MTP Joint
Lateral Plantar Nerve
Nerve Roots - S2, S3
2nd Layer
Lumbricals
Flexes proximal Phalanges and extends the middle and distal phalanges of lateral four digits.
Lateral Plantar Nerve - lateral 3
Nerve Roots - S2, S3
Medial Plantar Nerve - medial 1
Nerve Roots - S2, S3
Quadratus Plantae
Assists FDL in flexing the lateral 4 digits
Lateral Plantar Nerve
Nerve Roots - S2, S3
FDL tendon
Flexes lateral 4 digits, plantar-flexes ankle and supports longitudinal arches of thee foot
Tibial Nerve
Nerve Roots - S2, S3
FHL tendonn
Flexes great toe at all joints, weak plantarflexor of ankle, supports med. long. arch of foot
Tibial Nerve
Nerve Roots - S2, S3
1st Layer
Flexor Digitorum Brevis
Flexes lateral 4 digits
Medial Plantar Nerve
Nerve Roots - S2, S3
Abductor Hallucis
Abducts and flexes first digit
Medial Plantar Nerve
Nerve Roots - S2, S3
Abductor Digiti Minimi
Abducts and flexes little toe
Lateral Plantar Nerve
Nerve Roots - S2, S3