Tight hip flexors, especially a deep muscle called the psoas, can silently stress your spine. Here's why this muscle deserves ...

Breathe in and tighten the abdominal muscles. Keeping the feet together and moving from the hip, lift the top knee while breathing out. Breathe in and slowly lower the leg back down. Mild ...

Background The role of muscle strength for the risk of knee injury is not well investigated. Objective To examine the potential relationship between lower extremity (LE) muscle strength and the risk ...

Objective By combining anatomy ... muscle activities at 80°–120° angle, and avoiding excessive slippage improved the VL and VM activities and prevented excessive reaction force in the joints and ...