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Membri sup. liberi
Mm. Membri superioris liberi / Mm. Manus -Middle group of the palm
Muscle | Origin | Insertion | Function |
---|---|---|---|
Mm. Lumbricales (4) | Tendons of m. flexor digitorum profundus | Phalanx proximalis II-V; Tendons of m. extensor digitorum | Flexio phalangis proximalis II-V; Extensio phalangis mediae II-V; Extensio phalangis distalis II-V |
Mm. Interossei palmares (3) | Os metacarpale II, IV, V | Phalanx proximalis II, IV, V | Adductio digitorum (pulls the 2nd, 4th and 5th finger to the 3rd). |
Mm. Interossei dorsales (4) | Between metacarpal bones of 1st to 5th finger | Phalanx proximalis II-IV | Abductio digitorum (pulls the 2nd and 4th finger away from 3rd). |