When you hop, run or jump, your legs behave like springs, absorbing and returning energy with each step. But what happens to ...

While his downhill rivals finish the World Cup season, Aleksander Aamodt Kilde is back ...

Researchers at the University of Tokyo reveal the way our legs adapt to fast movements. When people hop at high speeds, key ...

Press-ups work the upper body and core, require no equipment and can be done almost anywhere. But getting the right form is ...

There are a number of drugs that are used in an attempt to increase lean muscle mass. Of these, the most well known is the steroid hormone testosterone (T) and the various analogues that are based ...