Short-term muscle weakness is common and can be caused by something as simple as a tough workout. However, persistent muscle weakness without apparent cause could indicate an underlying health ...

A new study has suggested that treatment to target necroptosis in muscle fibers using a necroptosis inhibitor lessens myositis-induced muscle weakness as well as muscle cell death and inflammation in ...

Myositis is a group of conditions that cause muscle inflammation and weakness. Viral myositis occurs as a complication of a viral infection, such as influenza viruses or enteroviruses. Viral myositis, ...

A 30-year-old African-American woman presented to the emergency department for medical assessment after becoming too weak to walk. She reported proximal muscle aches in both arms and legs, a skin rash ...

It’s a lifelong autoimmune neuromuscular disease. It causes certain muscles to weaken easily after you use them. Muscle fatigue typically varies throughout the day (sometimes hour by hour) and gets ...

While a gradual loss in muscle strength is a natural part of aging, for many older adults it's more than just feeling a little weaker. Sarcopenia -- a condition affecting nearly half of adults over 80 ...

Neuromuscular diseases are conditions that affect your nerve and muscle function. Neuromuscular disorders affect your peripheral nerves—the nerves outside your brain and spinal cord. Types of ...

Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp. Muscle spasms are common and typically don't signal a severe health ...

Tight and rigid muscles are often the result of injury. Sometimes, muscle tightness and rigidity can occur with other symptoms, such as muscle pain and spasms, or reduced mobility. Mild muscle ...

Researchers at Kumamoto University have demonstrated that iron supplementation can significantly alleviate muscle pathology ...

Myopathy is a general term for diseases that affect your muscles. The muscle fibers don’t work properly, which leads to muscle weakness and other symptoms. Some myopathy is inherited and present at ...

Medically reviewed by Mallory Christopherson, DCMedically reviewed by Mallory Christopherson, DC It's common for your muscles ...