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  1. Muscle pain Causes - Mayo Clinic

    Apr 27, 2023 · Muscle pain that is felt throughout your whole body is most often caused by an infection, such as the flu. Other causes include more-serious conditions, such as some diseases or health conditions that affect the muscles. Muscle pain also may be a …

  2. Muscle cramp - Symptoms and causes - Mayo Clinic

    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, especially in heat, can lead to muscle cramps. Some medicines and illnesses also might cause muscle cramps.

  3. Statin side effects: Weigh the benefits and risks - Mayo Clinic

    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, or weakness in your muscles. The pain can be a mild discomfort, or it can be serious enough to make it hard to do your daily activities.

  4. Polymyositis - Symptoms and causes - Mayo Clinic

    Aug 10, 2022 · Symptoms The muscle weakness associated with polymyositis involves the muscles closest to the trunk, such as those in your hips, thighs, shoulders, upper arms and neck. The weakness affects both the left and right sides of your body, and tends to gradually worsen.

  5. Tendinopathy - Symptoms and causes - Mayo Clinic

    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 caused by overuse or repeated movement and tends to affect certain tendons in …

  6. Isometric exercises: Good for strength training? - Mayo Clinic

    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 also doesn't move. Isometric exercises help maintain strength. They can also build strength, but not effectively. And they can be performed anywhere. Examples include a leg lift or plank.

  7. Dermatomyositis - Symptoms & causes - Mayo Clinic

    Mar 4, 2024 · Muscle weakness and a skin rash are hallmarks of dermatomyositis. There's no cure, but treatments can relieve symptoms.

  8. Fibromyalgia - Symptoms & causes - Mayo Clinic

    Apr 26, 2025 · Fibromyalgia is a long-term condition that involves widespread body pain. The pain happens along with fatigue. It also can involve issues with sleep, memory and mood. Researchers think that fibromyalgia affects the way the brain and spinal cord process painful and nonpainful signals. That increases your overall sensitivity to pain. Symptoms often start after a triggering …

  9. Myasthenia gravis - Symptoms and causes - Mayo Clinic

    Aug 22, 2025 · This causes muscle weakness. Myasthenia gravis also may happen if antibodies block proteins such as muscle-specific receptor tyrosine kinase, also called MuSK, or lipoprotein-related protein 4, also called LRP4. These proteins work together to form strong connections between nerve cell signals and muscles.

  10. Musculoskeletal Care - Overview - Mayo Clinic

    Dec 20, 2024 · Mayo Clinic musculoskeletal care leverages regenerative medicine to jump-start healing processes for overused tendons and achy joints.