Two terms that come up often when it comes to movement are flexion and extension. Understanding concepts like flexion versus extension can help you better understand the purpose of your workouts ...

Hinge joints allow flexion and extension only. Flexion – bending a joint. This occurs when the angle of a joint decreases. For example, the elbow flexes when performing a biceps curl.

In 1999, the Eastern Association for the Surgery of Trauma (EAST) recommended bedside flexion/extension (F/E ... reviewed images from 56 consecutive head-injured patients (Glasgow Coma Scale ...