Abductor Pollicis Brevis: The abductor pollicis brevis muscle is one of the thenar muscles located in the palmar hand just proximal to the thumb. The abductor pollicis brevis originates on the trapezium, scaphoid, and flexor retinaculum of the hand and inserts on the proximal phalanx of thumb. The abductor pollicis brevis abducts and extends the thumb and also enables the thumb to have the action of opposition, in which the tip of the thumb is able to touch the tips of all the other fingers of the hand. It is innervated by the median nerve.
Conditions that can afflict the abductor pollicis brevis include, overuse injuries, tears, strains, myopathy, atrophy, infectious myositis, neuromuscular diseases, lacerations and contusions.
The following organs are closely related to the organ: Abductor Pollicis Brevis:
The following conditions are related to the organ: Abductor Pollicis Brevis:
The following list contains sub-parts of the organ: Abductor Pollicis Brevis:
These symptoms are related to afflictions of the organ: Abductor Pollicis Brevis:
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Organs: list of all organs
» Next page: Abductor Pollicis Brevis Tendons
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