Lying together, they pass distally and laterally, emerge from under the radial border of the common extensor of the fingers, and pass through the first canal under the retinaculum extensorum to the thumb; the tendon of the abductor pollicis longus is attached partly to the base of the first metacarpal bone and partly to a tendinous slip of the abductor polllicis brevis, while the tendon of the extensor pollicis brevis is attached to the base of the proximal phalanx of the thumb.
Action. The abductor pollicis longus abducts the4 thumb and abducts the wrist radiallyMedical billing training india will help you to do collections and also the pending amounts from the patients.
