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Intrinsic Muscles
Foot muscles
Foot Muscle | Foot Muscle Action | Foot Muscle Surface | Foot Muscle Layer | Foot Muscle Nerve |
---|---|---|---|---|
Abductor hallucis | Abducts; flexes IP of first toe | Plantar Surface | First Layer | Tibial Nerve (L4,L5) |
Flexor digitorum brevis | Flexes PIP of digits 2-5 | Plantar Surface | First Layer | Tibial Nerve (L4,L5) |
Abductor digiti minimi | Flexes; abducts 5th digit | Plantar Surface | First Layer | Tibial Nerve (S1,S2) |
Quadratus plantae | Straightens diagonal line of pull of flexor digitorum longus | Plantar Surface | Second Layer | Tibial Nerve (S1,S2) |
Lumbricales (Lateral 3) | Flexes MP's; extends PIPs and DIPs | (Lateral) Plantar Surface | Second Layer | Tibial Nerve (S1,S2) |
Flexor hallucis brevis | Flexes MP of first digit | (Medial) Plantar Surface | Third Layer | Tibial Nerve (L4,L5,S1) |
Adductor hallucis | Adducts; flexes first digit | (Medial) Plantar Surface | Third Layer | Tibial Nerve (L4,L5) |
Flexor digiti minimi | Flexes PIP of 5th digit | (Lateral) Plantar Surface | Third Layer | Tibial Nerve (S1,S2) |
Dorsal interossei | Abducts 2nd-4th digits | Dorsal Surface | Fourth Layer | Tibial Nerve (S1,S2) |
Plantar interossei | Adducts 2nd-4th digits | Dorsal Surface | Fourth LAyer | Tibial Nerve (S1,S2) |
Lumbricales (medial 1) | Flexes MP's; extends PIPs and DIPs | (Medial) Plantar Surface | Second Layer | Tibial Nerve (L4,L5) |
Extensor digitorum brevis | Extends PIP joints of digits 2-5 | Dorsal Surface | None | Deep Peroneal Nerve (L5,S1) |
Extensor hallucis brevis | Extends PIP joint of first digit | Dorsal Surface | None | Deep Peroneal Nerve (L4,L5,S1) |