Carpal Tunnel Anatomy & Carpal Tunnel Syndrome — Practice
A 24-year-old gymnast has a posterior dislocation of the lunate compressing the contents of the carpal tunnel. Which combination of deficits would you expect, given the structures that pass through versus those that lie superficial to the flexor retinaculum?
ALoss of thenar opposition with preserved sensation over the thenar eminence skin
BComplete claw hand with loss of all finger flexion
CLoss of wrist flexion with preserved thumb movements
DLoss of sensation over the hypothenar eminence with intact thumb opposition