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 working hard, …

Nov 8, 2025 · Neuromuscular Disease Overview Neuromuscular diseases affect the function of muscles due to problems with the nerves and muscles in your body. The most common sign of these …

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, but medicines …

Mar 22, 2025 · Tendinopathy is a term for any condition that affects a tendon. Tendons are cords that attach muscle to bone. Tendinopathy, which can cause pain and tenderness, is common. It is often …

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 quickly. This …

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 affected joint …

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 for the heart to …

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, tiredness, …

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 from the main …

May 17, 2025 · Muscular dystrophy is a group of diseases that causes muscles to become weaker and lose mass over time. The condition is caused by changes in the genes that make proteins needed to …