- May 6, 2026The third plantar interosseous is the most lateral of the three plantar interossei, adducting the little toe and flexing its…
- May 6, 2026The second dorsal interosseous abducts the second toe laterally. The dorsal interossei abduct toes 2, 3, and 4 away from…
- May 6, 2026The third dorsal interosseous abducts the third toe away from the midline axis. The third and fourth web spaces are…
- May 6, 2026The fourth dorsal interosseous is the most lateral of the dorsal interossei. It abducts the fourth toe and is adjacent…
- May 6, 2026Abductor hallucis forms the medial plantar compartment and the medial foot border. Its origin from the medial calcaneal tuberosity makes…
- May 6, 2026FHB straddles the hallux MTP joint via its two heads with sesamoid insertions. The sesamoids form the anatomical pulley for…
- May 6, 2026The oblique head is the largest adductor component, arising broadly from the midfoot and providing primary hallux adduction force and…
- May 6, 2026Quadratus plantae (flexor accessorius) uniquely inserts on a tendon rather than bone, modifying the FDL vector. Without QP, toes would…
- May 6, 2026EDB is a small dorsal foot muscle deep to the EDL tendons. The hallux slip (EHB) is often mistaken for…
- May 6, 2026FDB is the most superficial of the three plantar intrinsic muscle layers. Its tendons split to allow FDL to pass…