A muscle in the quadriceps, the rectus femoris muscle is attached to the hip and helps to extend or raise the knee. This muscle is also used to flex the thigh. The rectus femoris is the only muscle ...

While running is primarily thought of as a cardiovascular workout, it also works muscles throughout the body. From our shoulders to big toes, running is a full-body workout. Here are the primary ...

Stop wasting hours on complex machines and discover the "minimum effective dose" approach that sports scientists use to build elite lower-body strength.

3 Department of Physical Therapy, Osaka Electro-Communication University, Osaka, Japan 4 Department of Rehabilitation Science, Osaka Health Science University, Osaka, Japan 5 Department of ...

Core strength testing has come a long way from the straight-legged, twisting sit-ups used before World War II. We've moved on to bent-knee sit-ups, to crunches and now to the plank pose or hanging ...