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Intrinsic foot m.
Origin & insertion
Muscle | Origin | Insertion |
---|---|---|
Abductor Hallucis | Flexor retinaculum; Medial process of calcaneal tuberosity; Plantar aponeurosis | Medial side of base of proximal phalanx of hallux |
Abductor Digiti Minimi | Processes of calcaneal tuberosity and space between them; Plantar aponeurosis | Lateral side of base of 5th proximal phalanx |
Flexor Digitorum Accessorius | Medial concave surface of calcaneus and surface distal to lateral process of tuberosity; long plantar lig. | Tendon of flexor digitorum longus |
Lumbricals | Adjacent tendons of flexor digitorum longus (1st has only 1 tendon) | Dorsal digital expansions of proximal phalanges |
Flexor Hallucis Brevis | Medial part of plantar surface of cuboid and adjacent part of lateral cuneiform | Sides of bases of proximal phalanx of hallux |
Adductor Hallucis | Oblique: Bases of metatarsals 2-4 Transverse: Deep transverse metatarsal lig and plantar metatarsophalangeal lig 3-5 | Oblique: Lateral sesamoid bone of hallux and base of 1st phalanx Transverse: Lateral sesamoid bone |
Flexor Digit Mininmi | Medial part of plantar surface of base of 5th metatarsal | lateral side of base of proximal phalanx of 5th digit |
Dorsal Interossei (Abduction | Sides of adjacent metatarsals | Bases of proximal phalanges and dorsal digital expansions (medial side of 2nd, lateral sides of 2-4) |
Plantar Interossei (Adduction) | Bases and medial sides of metatarsal bones 3-5 | Medial sides of bases of proximal phalanges & dorsal digital expansions 3-5 |
Flexor Digitorum Brevis | Medial process of calcaneal tuberosity; central p5lantar aponeurosis | Sides of shafts of middle phalanges 2-5 |