Muscle rigidity refers to stiffness or tension in your muscles. This tends to happen when muscles contract for a long period of time, often due to stress. But certain medications and underlying ...

For fitness-minded folks, muscle testing can sound pretty intriguing. But it turns out that it has little to do with fitness...or even muscles. On a basic level, muscle testing looks at a muscle and ...

Muscle testing is also known as applied kinesiology (AK) or manual muscle testing (MMT). It is an alternative medicine practice that claims to effectively diagnose structural, muscular, chemical, and ...

For fitness-minded folks, muscle testing can sound pretty intriguing. But it turns out that it has little to do with fitness...or even muscles. On a basic level, muscle testing looks at a muscle and ...

Intravenous dantrolene, which interferes with the release of calcium from the sarcoplasmic reticulum, resulting in muscle relaxation, [46] has been reported to be effective in relieving muscle ...

A new study from Umeå University, Sweden, shows that the body's muscles sense mechanical pressure. This new discovery has important implications for movement neuroscience and may improve the design of ...

Objective measurements of the symptoms of Parkinson disease (PD) could be helpful for ensuring that deep brain stimulation (DBS) of the subthalamic nucleus is performed effectively and that ...

Parkinson’s disease is a disorder of the central nervous system that gets worse over time with no cure. Because it targets the nervous system, it impairs movement. ‌Rigidity is one of the leading ...

Medically reviewed by Diana Apetauerova, MDMedically reviewed by Diana Apetauerova, MD Rigidity—when your muscles are stiff and resist moving—is one of the primary symptoms of Parkinson's disease. It ...