Flexion and extension refer to directions of motion that affect the angle of a joint. Flexion is when the joint is closed, while extension is when it is opened. Flexion and extension are the two ...

Yoga teacher (and teacher to other yoga teachers) Lucas Rockwood says you need three types of movement for hip mobility and flexibility: hip flexion, extension and lateral rotation. The video below, ...

The humble crunch has dominated core training routines for decades, appearing in everything from military fitness tests to celebrity workout videos. This seemingly simple exercise promises a path to ...

A strong core is the engine that drives every physical movement you make. It’s the critical link between your upper and lower ...

Flexibility test at 60, guided by a certified trainer, using 3 seated movements to assess hips, spine, and hamstrings.

Researchers at University of Tsukuba have identified two fundamental coordination patterns underlying the underwater dolphin ...