Immune cells release special proteins called cytokines—chemical messengers that help spark muscle repair. But cooling the muscles too soon, like with an ice bath, can reduce this natural response.

Studies suggest that even brief bursts of running can significantly strengthen heart muscles and promote cardiovascular health. Short bursts of runnin ...

Forget crunches and curls — target these overlooked muscles to build real definition, boost metabolism, and sculpt an athletic, toned physique.

It reduces inflammation in leg joints and muscles, supports faster recovery and less post-exercise pain and also boosts muscle protein synthesis, helping you gain lean muscle.

What makes MAT different is that it focuses on spotting and correcting recruitment of the muscle fibers through that brain-muscle connection—not just treating tightness or pain, according to Lantz.

Robot with 1,000 muscles twitches like human while dangling from ceiling A new humanoid robot prototype uses fluid-filled muscles to kick its legs while hanging.

Electromyography measures the electrical activity in a muscle and can help scientists pinpoint activity in the auricular muscles that is already linked to listening closely.

Evolution has largely deprived us of our ability to swivel our ears, but those vestigial muscles still activate when we listen intently, according to new research.

Pilates is hyped up for how it sculpts "long lines"—but whether the practice leads to muscle hypertrophy, or growth, versus muscular endurance is up for debate.

Can Pilates lengthen your muscles? Four fitness experts weigh in on this debate and explain where this idea came from to begin with.

Physical therapists and sports medicine doctors explain when stretching sore muscles helps and when you should try other things to ease the pain instead.