Muscle atrophy is the loss of muscle mass. Low physical activity, nutritional deficiencies, genetic factors, and some medical conditions may contribute. Muscle atrophy due to inactivity can occur if a ...

Muscle-related damage and deficiencies impact a patient’s quality of life, and treatments can be limited or non-existent. Some patients find relief in physical therapy or surgery, but such approaches ...

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 ...

You have 20 muscles in your forearm, the part of your arm between your elbow and your hand. They help you move your arms, hands, and fingers and perform many of the tasks of daily life. You can strain ...

Sarcopenia, a condition involving age-related muscle loss and weakness, significantly increases the risk of death in people over 100 years old, according to new research that followed 98 centenarians ...

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 ...

Much like their name implies, the quadricep muscles were once thought to be a set of four muscles, with the name “quad” translating to “four or fourth” in Latin. However, it has since been discovered ...

There are two classes of muscle relaxers. Antispasmodics reduce spasms by inhibiting signals in the brain, while antispastics affect the spinal cord and reduce muscle tightness and spasms. While ...

Consumer Reports has no financial relationship with any advertisers on this site. Like other parts of your body, your muscles change over the years. “As you age, your muscle fibers become less dense, ...

Rhabdomyolysis is a condition in which muscle damage—often caused by drug intake—can lead to impaired kidney function and ...

Tufts University has launched an investigation after 12 members of the men’s lacrosse team were diagnosed with a rare and life-threatening muscle injury following a workout led by a graduate who had ...