The abductor pollicis brevis is an abductor of the thumb.
It is a thenar muscle, and therefore contributes to the bulk of the palm’s thenar eminence.
It originates from the flexor retinaculum of the hand, the tubercle of the scaphoid bone, and additionally sometimes from the tubercle of the trapezium.
Running lateralward and downward, it is inserted by a thin, flat tendon into the lateral side of the base of the first phalanx of the thumb and the capsule of the metacarpophalangeal joint.
It is supplied by median nerve. C8/T1
This muscle is abductor of the thumb. It also assists in opposition and extension of the thumb.
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Hello, my name is James i have pain in my hand, and it hurts like hell. i would like to know why the muscles in my hand adductor, flexor, and abductor pollicis brevis are hurting?
Dr Arun Pal Singh Reply:
August 27th, 2010 at 8:57 am
@james krieder,
There could be a lot of reasons for pain in the hand. Did you consult a physician?
Has any investigation been done?