If your fitness goal is to up the ante on endurance, pack more power into your sprint, or supercharge your strength gains in the gym, it’s worth exploring – what are the different muscle fiber types?

Tsukuba, Japan—Different types of exercise encourage the formation of different types of muscle fibers, or the cells that make up your muscles. Slow twitch muscle fibers support endurance activities ...

The misconception that muscle can be lean or bulky lies in its appearance. “When people (say ‘lean’), they’re usually ...

There can get a point where you’re climbing mountains, navigating rough terrain, or carving fresh pow and feeling good —but ...

Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

Bodies come in different shapes and sizes, influenced by a person’s frame and composition. Different body types include triangle, rectangle, hourglass, ectomorph, mesomorph, and endomorph. Different ...

Myopathy describes disorders of the muscles that cause them to function less effectively. Myopathies can be inherited or acquired, and the symptoms may be present from birth or develop later on.

There are different types of neck pain that can affect your muscles, nerves, or other nearby tissues. Each has different causes and different treatments that might be effective. Neck pain may result ...