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 ...

From dead bugs to hollow holds, a fitness pro shares five essential core exercises to flatten your lower belly and achieve a ...

A physical therapist shares the benefits of doing exercises for the backs of your thighs, plus the best moves to try.

In 1999, the Eastern Association for the Surgery of Trauma (EAST) recommended bedside flexion/extension (F/E) fluoroscopy for patients with severe TBI who have normal results on three-view ...

This occurs at the hip and shoulder, returning the arms and legs back to their original position from a jumping jack movement or when swimming breaststroke. Key fact Flexion and extension are a ...

Flexion – bending a joint. This occurs when the angle of a joint decreases. For example, the elbow flexes when performing a biceps curl. Extension ... arms and legs back to their original ...