Squat depth has long been a point of contention in the lifting world, which is where the phrase 'ass-to-grass' was born.

When the muscles around this key joint aren’t firing on all cylinders, it can throw off your entire stride, leaving you stuck in neutral.

Medically reviewed by Katrina Carter, DPT Hamstring tightness occurs when the muscles on the back of the thighs become ...

Current literature demonstrates that sagittal plane biomechanical factors, such as small knee flexion angle, great posterior ground reaction force and great quadriceps muscle force, are the major ACL ...

Joint position sense (JPS) is predominantly determined by muscle receptors, and the sensations from joint ... to give the patella free movement during knee flexion/extension. The lower legs were ...

The trapezius muscle can act as a fixator when the biceps is flexing the elbow joint. The abdominals can act as fixators to stabilise the body for hip and knee movements. Preparation and execution ...

Allows bending (flexion) and straightening (extension). Muscles which move the knee are quadriceps and hamstrings. Ball and socket joint. Articulating bones are humerus and scapula (the clavicle ...