New Australian research has found that popular fitness and supplement videos on TikTok can leave young men feeling worse about their fitness and nutrition, and increase their interest in using ...

Many lifters push every set to failure. Research suggests a less exhausting approach may build similar muscle.

They say comparison is the thief of joy — but comparing one’s body to the “perfect” ones on social media isn’t the only way apps like Instagram and TikTok can mess with body image. A University of ...

A team of sport and exercise specialists in the U.K., Qatar and Ireland has found that a little-known group of long, thin muscles that run from the knee to the pelvis play a much bigger role in ...