Anatomical Spaces (Carpal Tunnel & Anatomical Snuffbox)

Question 1

What are the boundaries of the carpal tunnel?

Answer 1

Roof: flexor retinaculum

Floor: carpal bones

Lateral attachment: scaphoid and trapezium

Medial attachment: Pisiform

Question 2

What are the 10 contents of the carpal tunnel?

Answer 2

4 tendons of the flexor digitorum superficialis

4 tendons of the flexor digitorum profundus

tendon of the flexor pollicis longus

median nerve

Question 3

What are the boundaries of the anatomical snuffbox?

Answer 3

Lateral: tendon of the Abductor Pollicis Longus and tendon of the Extensor Pollicis Brevis

Medial: tendon of the Extensor Pollicis Longus

Roof: skin and fascia

Floor: scaphoid and trapezium bones

Question 4

What are the contents of the anatomical snuffbox?

Answer 4

the radial nerve

the radial artery