Building your fast-twitch muscle fibers can help you get stronger and faster. This type of muscle fiber is responsible for the fast, explosive movements used in activities like sprinting, jumping, and ...

The muscles powering a sprinter’s explosive start work very differently from those enabling marathon runners to go the distance. Korean scientists have discovered distinct DNA aging patterns in chest ...

Muscle strain occurs when a muscle becomes overstretched or works too hard. People can often treat muscle strains at home and use specific exercises to speed up their recovery. Muscle strains vary in ...

Muscle knots, or myofascial trigger points, are small, bump-like areas of muscle that can be painful. Treatment often includes home remedies, like applying warm or cold pads. But, professional ...

Minor muscle spasming can occur due to health conditions like nutrient deficiencies. More severe twitching can be a symptom of serious health conditions, including those affecting the nervous system.

Muscle knots are hard, sensitive areas of muscles that tighten and contract even when the muscle is at rest. These tense muscle fibers can cause pain in other parts of the body when touched. Muscle ...