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 …
Metabolism and weight loss: How you burn calories - Mayo Clinic
Oct 8, 2022 · Muscle mass is the main factor in basal metabolic rate. Basal metabolic rate also depends on: Body size and composition. People who are larger or have more muscle burn …
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 …
Strength training: How-to video collection - Mayo Clinic
Nov 18, 2023 · You may build strength, improve your muscle tone, improve your quality of life and boost your self-esteem. But you can also injure yourself if you use poor technique with your …
Dermatomyositis - Symptoms & causes - Mayo Clinic
Sep 12, 2025 · Dermatomyositis (dur-muh-toe-my-uh-SY-tis) is a condition in which swelling and irritation, called inflammation, attacks the body's tissues. Dermatomyositis causes muscle …
Amyotrophic lateral sclerosis (ALS) - Symptoms and causes
Apr 10, 2024 · Overview Amyotrophic lateral sclerosis (a-my-o-TROE-fik LAT-ur-ul skluh-ROE-sis), known as ALS, is a nervous system disease that affects nerve cells in the brain and …
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, …
Peripheral neuropathy - Symptoms and causes - Mayo Clinic
Peripheral neuropathy can result from traumatic injuries, infections, metabolic problems, inherited causes and exposure to toxins. One of the most common causes of neuropathy is diabetes.
Arthritis - Symptoms and causes - Mayo Clinic
Aug 29, 2023 · Arthritis is the swelling and tenderness of one or more joints. The main symptoms of arthritis are joint pain and stiffness, which typically worsen with age. The most common …
Bronchitis - Symptoms and causes - Mayo Clinic
Jul 31, 2024 · The lining of the tubes that carry air to and from your lungs is inflamed. Signs and symptoms include cough, mucus, fatigue and chest discomfort.