Anatomical reminder The interosseous muscles are located between two metacarpals. It exists : A dorsal formation (D1, D2, D3, D4) whose proximal part inserts on the 2 metacarpals forming two fusiform muscles inserting distally on
Anatomical reminder The interosseous muscles are located between two metacarpals. It exists : A dorsal formation (D1, D2, D3, D4) whose proximal part inserts on the 2 metacarpals forming two fusiform muscles inserting distally on