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 …
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, …
Cyclobenzaprine (oral route) - Side effects & dosage - Mayo Clinic
Jan 1, 2026 · Cyclobenzaprine is also used to treat a condition called fibromyalgia (muscle pain and stiffness). Cyclobenzaprine acts on the central nervous system (CNS) to produce its muscle relaxant …
Peripheral neuropathy - Symptoms and causes - Mayo Clinic
Motor nerves that control muscle movement. Autonomic nerves that control functions such as blood pressure, sweating, heart rate, digestion and bladder function. Symptoms of peripheral neuropathy …
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 …
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 spinal cord. ALS …
Strength training: How-to video collection - Mayo Clinic
Nov 18, 2023 · Want to look good — and feel even better? Try strength training. Strength training, combined with regular aerobic exercise, can greatly impact your health. You may build strength, …
Influenza (flu) - Symptoms and causes - Mayo Clinic
Dec 19, 2025 · Muscle aches. Feeling very tired. Sweating and chills. In children, these symptoms may show up more generally as being fussy or irritable. Children also are more likely than adults to have …
Serotonin syndrome - Symptoms & causes - Mayo Clinic
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 naturally. It's …
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)
May 11, 2023 · Overview Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a complicated disorder. It causes extreme fatigue that lasts for at least six months. Symptoms worsen …