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?

How do muscle cells grow after a workout? And how do your genetics affect your experience as a gymgoer? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

When you picture different athletes—marathon runners, gymnasts, and Olympic weightlifters, for example—you likely categorize them instinctively by their height, size, and build. But the differences in ...

slow-twitch muscle fibers, which move more slowly but help to keep you moving longer fast-twitch muscle fibers, which help you move faster, but for shorter periods “Twitch” refers to the contraction, ...

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.

Women are capable of having three kinds of orgasm that have been dubbed the volcano, the wave and the avalanche, a study has found. Researchers working alongside sex toy company Lioness studied the ...

Muscle relaxers help reduce muscle stiffness and pain from conditions like cerebral palsy and lower back pain. There are two main types of muscle relaxers: antispastics and antispasmodics. Muscle ...

More than 30 types of muscular dystrophy have been identified. They all cause problems with movement due to muscle protein defects caused by genetic mutations. Muscular dystrophy is a group of ...