Marcus fell off his skateboard and caught himself with his hands. Now his wrist is bent way backward and he cannot straighten it. What would the medical term for this movement be?

Hyperflexion

depression

adduction

rotation

The medical term for the movement described is hyperextension.

The correct medical term for the backward bending movement of the wrist in this case is "hyperextension."

The medical term for the movement you described, where Marcus's wrist is bent way backward and he cannot straighten it, is hyperextension. Hyperextension refers to the excessive movement of a joint beyond its normal range of motion in the direction opposite to flexion. In this case, Marcus's wrist is being hyperextended as it bends backward.