Abstract
INTRODUCTION: Muscular composition of first dorsal compartment of the wrist has important role in the movement of thumb. Multiplicity of tendons of Abductor Pollicis Longus and extensor pollicis Brevis has a significant role in DE QUERVIANS STENOSING TENOSYNOVITIS. It is a disease in which pain and swelling occurs on movement of thumb or compression of first dorsal compartment of wrist in the radial styloid process due to stenosing Tenosynovitis of the Abductor pollicis Longus and Extensor pollicis Brevis. Abductor pollicis Longus and extensor pollicis Brevis are two of outcropping muscles located in the dorsal carpel region. The Abductor pollicis Longus arises from posterior surface of the middle one third of the radius, ulna and adjoining interosseous membrane, in distal forearm it usually splits into two slips and attached to radial side of first metacarpal and Trapezium. The EPB is attached to the posterior surface of radius and adjacent interosseous membrane. Thus knowledge of such variations is important for surgeons while performing plastic reconstructive surgeries.
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