Presentation on theme: "Carpal tunnel and structures at the wrist"— Presentation transcript:
1Carpal tunnel and structures at the wrist The carpal tunnel is formed anteriorly at the wrist by a deep arch formed by the carpal bones and the flexor retinaculum.
2Carpal archThe base of the carpal arch is formed medially by the pisiform and the hook of the hamate and laterally by the tubercles of the scaphoid and trapezium.
3Flexor retinaculumflexor retinaculum is a thick connective tissue ligament that bridges the space between the medial and lateral sides of the base of the arch and converts the carpal arch into the carpal tunnel.
4Structure and relations Four tendons of the flexor digitorum profundusFour tendons of the flexor digitorum superficialisOne tendon of the flexor pollicis longusMedian nerve
5Carpal tunnel syndrome Carpal tunnel syndrome is an entrapment syndrome caused by pressure on the median nerve within the carpal tunnel.
6Carpal Tunnel syndrome Common in computer professionals.Due to constant dorsiflexion of wrist while typing the keyboard