Adductor Digiti Minimi Muscle, Lateral View

Description

Laterally on the plantar aspect of the male foot, the adductor digiti minimi lies in the third layer of intrinsic musculature, running from the calcaneus and plantar aponeurosis toward the lateral side of the fifth metatarsophalangeal joint. Its belly sits medial to the abductor digiti minimi and deep to the flexor digitorum brevis, with the tendon approaching the base of the proximal phalanx of digit V and blending with the extensor expansion and plantar plate. Nearby landmarks in a lateral view include the calcaneal tuberosity posteriorly, the cuboid and lateral longitudinal arch superiorly, and the lateral digital neurovascular bundle coursing distally along the border of the little toe. Small but specific. Functionally, adductor digiti minimi draws the fifth toe toward the fourth and stabilizes the lateral forefoot during push-off, a relationship that becomes clinically relevant in tailor’s bunion (bunionette) deformity and in lateral column overload. Surgeons correcting a symptomatic bunionette or performing fifth metatarsal osteotomy need a clear mental map of the soft tissue attachments around the fifth MTP joint, including the adductor slip and its balance against the abductor digiti minimi and plantar plate. This lateral perspective also pairs well with discussions of intrinsic muscle denervation in peripheral neuropathy, where subtle toe drift and clawing reflect imbalance between lumbricals, interossei, and the adductor group. Podiatric anatomy courses and orthopedic foot and ankle teaching files use this kind of focused lateral muscle plate to anchor layered plantar dissections and to label the fifth ray stabilizers alongside the lateral arch. Medical publishers can also place it adjacent to bunionette correction, plantar plate repair, or diabetic foot biomechanics content where fine intrinsic anatomy matters. Anatomical accuracy verified by SciePro's Medical Advisory Board.