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 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.

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 ...

When performing a strength training program, people may find it helpful to train certain muscle groups together. This can help prevent overtraining and maximize results. The Dietary Guidelines for ...

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 ...