Extensor pollicis et indicis communis muscle
Extensor pollicis et indicis communis muscle is a muscle in the human body that is not universally recognized as a distinct muscle. It is sometimes considered a variation of the extensor indicis or the extensor pollicis longus.
Anatomy[edit | edit source]
The extensor pollicis et indicis communis muscle, when present, is located in the forearm and extends into the hand. It originates from the ulna and the interosseous membrane, and inserts into the index finger and thumb.
Function[edit | edit source]
The primary function of the extensor pollicis et indicis communis muscle is to extend the index finger and thumb. This action is essential for various tasks involving fine motor skills, such as writing and grasping objects.
Clinical significance[edit | edit source]
Anomalies in the extensor pollicis et indicis communis muscle can lead to difficulties in extending the index finger and thumb. This can affect fine motor skills and may require surgical intervention.
See also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD