Mar 7, 2023 · Overview A muscle cramp is a sudden, unexpected tightening of one or more muscles. Sometimes called a charley horse, a muscle cramp can be very painful. Exercising or …

Jan 25, 2025 · The muscle spasms can range from mild to more serious. They may be painful, and they can affect the person's ability to complete daily tasks. There's no cure for dystonia, …

Nov 18, 2023 · Isometric exercises are tightening (contractions) of a specific muscle or group of muscles. During isometric exercises, the muscle doesn't noticeably change length. The …

Jul 21, 2025 · What are statin side effects? Muscle pain and damage One of the most common complaints of people taking statins is muscle pain. You may feel this pain as a soreness, …

Jan 5, 2024 · Overview Myofascial pain syndrome is a long-term pain condition. It involves some muscles and the thin cover of tissue that holds muscles in place, called fascia. Pressure on …

Aug 22, 2025 · Overview Myasthenia gravis is a condition that happens when communication between nerves and muscles breaks down. This causes muscles to feel weak and get tired …

Dec 9, 2022 · Imaging tests In severe hamstring injuries, the muscle can tear or even separate from the pelvis or shinbone. When this happens, a small piece of bone can be pulled away …

Nov 19, 2024 · Overview Botox injections are shots that use a toxin to prevent a muscle from moving for a limited time. These shots are often used to smooth wrinkles on the face. They're …

Sep 12, 2024 · Serotonin syndrome is a serious drug reaction. It is caused by medications that build up high levels of serotonin in the body. Serotonin is a chemical that the body produces …

Feb 23, 2024 · Hypertrophic cardiomyopathy (HCM) is a disease in which the heart muscle becomes thickened, also called hypertrophied. The thickened heart muscle can make it harder …