How do our muscles respond at the molecular level to exercise? Researchers have unraveled the cellular basis and signaling pathways responsible for the positive impact of physical activity on our ...

Another layer emerged when the team measured VO₂ peak, a standard assessment of aerobic fitness. Fitness level sometimes ...

The study of fish exercise physiology and muscle metabolism encompasses the examination of how mechanical activity and varying swimming intensities affect muscle growth, cellular structure, and ...

When starting a regular exercise program, the skeletal muscle of sedentary men and women with overweight and obesity differs in burning sugar and fatty acids, but regular training can lessen these ...

Building muscle after 50 isn’t about pushing harder—it’s about training smarter. U.S. fitness and lifestyle experts agree ...

Swimming is a low-impact workout that also targets multiple muscle groups. “In just 30 minutes of swimming, an average person ...

Age-related muscle loss affects strength, balance, metabolism, and independence. But with the right exercise, nutrition, and professional guidance, older adults can preserve and even rebuild muscle ...

Building and maintaining muscle mass is important for everyone, regardless of age — and one of the strongest predictors of long-term health.

A new Salk Institute study suggests estrogen-related receptors could be a key to repairing energy metabolism and muscle fatigue. Across the body, tiny bean-shaped structures called mitochondria turn ...

Plus, how it differs from strength training and expert tips to program workouts for both approaches.