While quads often get more attention in lower body routines, hamstrings are just as important for achieving uniform muscle development. These muscles, located at the back of the thigh, play a vital ...

For a more advanced version, try a standing squat. "Come straight down, driving your knees out, and keep your chest up," ...

Sitting down for a long time can be bad for your health - but this gadget is said to help improve blood circulation, stamina, muscle strength and fitness.