Flexor retinaculum

Role: prevent tendons from 'bowing' with wrist flexion
Free movement via Flexor sheaths

Attachments

medial

pisiform + hamate

lateral

scaphoid + trapezium

in the neighbourhood

Structures that pass under it: see contents of carpal tunnel
Structures that pass OVER it:

  • ulnar nerve
  • ulnar artery
  • tendon of palmaris longus

Pathology