Abductor Ossis Metatarsi Digiti Quinti
Foot
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An accessory/variant slip near the little-toe side of the foot — not everyone has it, and it is sometimes confused for a fracture on X-ray.
Function
May assist abduction/support of fifth ray
Origin
Usually from lateral calcaneal tubercle or abductor digiti minimi region
Insertion
Tuberosity/base of fifth metatarsal
Innervation
Lateral plantar nerve (usually)