Carpal Tunnel

Question 1

What are the borders?

Answer 1

Carpal Arch

Concave on the palmar side, forming the base and sides of the carpal tunnel.
Formed laterally by the scaphoid and trapezium tubercles
Formed medially by the hook of the hamate and the pisiform

Flexor Retinaculum

Thick connective tissue which forms the roof of the carpal tunnel.
Turns the carpal arch into the carpal tunnel by bridging the space between the medial and lateral parts of the arch.
Originates on the lateral side and inserts on the medial side of the carpal arch.

Question 2

What are the contents?

Answer 2

The tendon of flexor pollicis longus
Four tendons of flexor digitorum profundus
Four tendons of flexor digitorum superficialis