Carpal Tunnel

Question 1

Give the contents of the carpal tunnel

Answer 1

9 tendons + 1 nerve

• 4 Flexor Digitorum Superficialis
• 4 Flexor Digitorum Profundus
• Flexor Pollicis Longus
• Median Nerve

Remember: 8 Digitorum tendons in a sheath together and flexor Pollicis Longus has its own.

Question 2

Give the borders of the carpal tunnel

Answer 2

Medial side = Hook of hamate (+pisiform)

Lateral side = Trapezium (+ Scaphoid)

Base = Trapezoid + Capitate

Roof = Flexor retinaculum

Remember: Distal carpal bones!