Chronic muscle loss doesn't simply make a person physically weaker. Among other things, it increases the risk of serious falls … and even death. A new urine test, however, could allow it to be ...

Doctors may use a range of tests to diagnose myasthenia gravis (MG), including blood tests, nerve conduction tests, and imaging tests. MG is a chronic autoimmune disease that affects the voluntary ...

Aldolase helps your body turn sugar into energy. Most of it is stored in your muscles and liver. When these cells are damaged, they release aldolase into your blood. Measuring the amount of aldolase ...

Amyotrophic lateral sclerosis (ALS) is a progressive disease of the nervous system. It affects nerve cells in the brain and spinal cord called motor neurons. Motor neurons control muscle movement and ...

Many people think of muscle strength mainly in terms of fitness or physical appearance. However, new research suggests that muscle strength may reveal much more about a person’s health. A large study ...

Your doctor may recommend the creatine phosphokinase (CPK) test if there's a need to measure CPK enzyme levels in your blood. The cells in your body require this creatine kinase enzyme to generate ...

A recent study suggests that these microbes may also influence an important aspect of fitness – muscle strength. Muscle strength is a crucial feature of health for many reasons. It supports our joints ...

The nuclear stress test can show how blood flows through your heart muscles. This reveals how well the heart pumps blood and areas of your heart muscles that do not get enough blood. Nuclear stress is ...