Function

Completely laterally the Musculus been because of the thumb bundle (Thenar) opponens pollicis turns the thumb toward the hand inner surface and places it thereby opposite to the remaining fingers (so-called opposition). That makes the hand of humans (in interaction with medial the lying close Musculus flexor pollicis brevis) the grab hand.

This is made possible also by the special form of the Daumenphalanx (Pollex). The proximal Articulatio carpometacarpale functions here as saddle joint with two-dimensional clearance of motion. The thumb is shorter than the other Fingerglieder and possesses because of the two basic joints only two free standing bone elements.

Articles in category "Musculus opponens pollicis"

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