Opponens Pollicis
Anatomical Info
-
Position:
Anteroir -
Region:
Hand -
Plane:
Frontal
Muscle Characteristics:
-
Movement:
Medial/Internal Rotation -
Muscle Shape:
Convergent
Nerve:
Nerve
System
Spinal Plexus
Division
Trunk
Branch
Roots
Description
The opponens pollicis is a small, triangular muscle in the hand, which functions to oppose the thumb. It is The opponens pollicis is a small, triangular muscle located in the hand. It originates on the lateral side of the metacarpal bone of the thumb, and inserts on the lateral side of the phalanges (the bones of the fingers) of the thumb.
The main function of the opponens pollicis is to flex the thumb at the metacarpophalangeal (MCP) joint and to adduct the thumb towards the other fingers. This allows the thumb to be brought closer to the other fingers, which is important for maintaining balance and stability when gripping objects.
Muscle Engaging Sports
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