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 ...

Stiff person syndrome (also known as SPS, Moersch-Woltman syndrome, and stiff man syndrome) is a very rare condition that can cause your muscles to become rigid or spasm. This is a progressive ...

Eccentric-only resistance training at long muscle lengths and with a long contraction duration can chronically decrease the passive stiffness of a specific muscle while simultaneously increasing its ...

Joint flexibility is an important measure of physical fitness in humans, especially when it comes to determining athletic performance. It is responsible for protecting the muscle-tendon unit under ...

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 ...

For most people, the term stiffness has negative connotations. When you wake up in the morning complaining of a stiff back, the remedy might include taking a hot shower, doing some yoga, swallowing ...

Stiff person syndrome (SPS) causes you to have muscle stiffness and spasms, often triggered by sudden noises or touch. You can use medications like muscle relaxants and anticonvulsants to relieve ...

Depending on the cause, physical therapy, massage, stretching, yoga, relaxation, heat, or other therapies may help release chronically tight muscles. Various factors can cause chronically tight or ...

Chronic muscle tightness is a common issue stemming from lifestyle factors like prolonged sitting and stress. Effective management includes massage therapy, heat application, and regular stretching or ...