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Body Atlas, Muscle Reference

Muscles

Complete muscle reference, origins, insertions, nerve supply, actions, clinical notes, and common injuries.

52 muscles

52 muscles in Foot & Ankle Clear ×

Muscle Flexor Digitorum Brevis Fourth Slip musculus flexor digitorum brevis (fasciculus quartus) Foot & Ankle The fourth FDB slip is smaller than the second and third slips, reflecting the reduced load-bearing… Muscle Flexor Digitorum Brevis Second Slip musculus flexor digitorum brevis (fasciculus secundus) Foot & Ankle The second slip of flexor digitorum brevis is the most medially placed FDB tendon, inserting into… Muscle Flexor Digitorum Brevis Third Slip musculus flexor digitorum brevis (fasciculus tertius) Foot & Ankle The third FDB slip inserts into the middle phalanx of the third toe, providing PIP joint… Muscle Flexor Hallucis Brevis musculus flexor hallucis brevis Foot & Ankle The flexor hallucis brevis arises from the midfoot and divides into medial and lateral heads that… Muscle Flexor Hallucis Brevis Detail musculus flexor hallucis brevis detail Foot & Ankle FHB straddles the hallux MTP joint via its two heads with sesamoid insertions. The sesamoids form… Muscle Flexor Hallucis Brevis Lateral Head caput laterale m. flexoris hallucis brevis Foot & Ankle The lateral head of FHB inserts via the lateral sesamoid and receives innervation from the lateral… Muscle Fourth Dorsal Interosseous of the Foot musculus interosseus dorsalis quartus pedis Foot & Ankle The fourth dorsal interosseous is the most laterally placed of the dorsal interossei, occupying the fourth… Muscle Fourth Dorsal Interosseous of the Foot Detail musculus interosseus dorsalis quartus pedis detail Foot & Ankle The fourth dorsal interosseous is the most lateral of the dorsal interossei. It abducts the fourth… Muscle Fourth Lumbrical of the Foot musculus lumbricalis quartus pedis Foot & Ankle The fourth lumbrical is the most laterally placed foot lumbrical, controlling the fifth toe MTP joint… Muscle Interossei Foot Group musculi interossei pedis (group) Foot & Ankle The foot interossei (four dorsal and three plantar) are the intrinsic muscles that stabilise the toe… Muscle Interosseus (Foot) Dorsal musculi interossei dorsales pedis Foot & Ankle The four dorsal interossei of the foot abduct the second, third, and fourth toes away from… Muscle Lumbricals (Foot) musculi lumbricales pedis Foot & Ankle The four foot lumbricals arise from the FDL tendons and insert into the lateral toe extensor… Muscle Lumbricals Foot Detail musculi lumbricales pedis detail Foot & Ankle The foot lumbricals (four in total) act like those of the hand — they flex the… Muscle Opponens Digiti Minimi (Foot) musculus opponens digiti minimi pedis Foot & Ankle The opponens digiti minimi of the foot opposes the fifth metatarsal to help cup the lateral… Muscle Opponens Digiti Minimi Foot Detail musculus opponens digiti minimi pedis detail Foot & Ankle The opponens digiti minimi of the foot is the plantar counterpart to the hand muscle of… Muscle Plantar Interossei (Foot) musculi interossei plantares pedis Foot & Ankle The three plantar interossei adduct the third, fourth, and fifth toes toward the second toe axis,… Muscle Quadratus Plantae musculus quadratus plantae Foot & Ankle The quadratus plantae (flexor digitorum accessorius) is a unique plantar muscle that attaches to the FDL… Muscle Quadratus Plantae Detail musculus quadratus plantae detail Foot & Ankle Quadratus plantae (flexor accessorius) uniquely inserts on a tendon rather than bone, modifying the FDL vector.… Muscle Second Dorsal Interosseous of the Foot musculus interosseus dorsalis secundus pedis Foot & Ankle The second dorsal interosseous abducts the second toe laterally, toward the third toe. Because the second… Muscle Second Dorsal Interosseous of the Foot Detail musculus interosseus dorsalis secundus pedis detail Foot & Ankle The second dorsal interosseous abducts the second toe laterally. The dorsal interossei abduct toes 2, 3,… Muscle Second Lumbrical of the Foot musculus lumbricalis secundus pedis Foot & Ankle The second lumbrical is bipennate, arising from adjacent FDL tendon slips. It is innervated by the… Muscle Second Plantar Interosseous Detail musculus interosseus plantaris secundus detail Foot & Ankle The second plantar interosseous adducts the fourth toe toward the axis of the foot (third toe… Muscle Second Plantar Interosseous of the Foot musculus interosseus plantaris secundus pedis Foot & Ankle The second plantar interosseous adducts the fourth toe toward the midline, occupying the space plantar to… Muscle Third Dorsal Interosseous of the Foot musculus interosseus dorsalis tertius pedis Foot & Ankle The third dorsal interosseous occupies the third intermetatarsal space and abducts the third toe laterally. Along…