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 ...

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 ...

Muscle tightness is a feeling you’ll know all too well if you’ve pushed yourself that little bit harder while training. Some consider it to be the hallmark of a full-blooded workout while to others, ...

Skeletal muscle channelopathies and myotonic disorders constitute a heterogeneous group of neuromuscular conditions caused by mutations that impair the function of ion channels, including sodium and ...

An ALS diagnosis can feel devastating and overwhelming for patients and their families. Learning how to live with this disease can challenge everyone. That’s why finding a caring team to support you ...

Muscle relaxers help reduce muscle stiffness and pain from conditions like cerebral palsy and lower back pain. There are two main types of muscle relaxers: antispastics and antispasmodics. Muscle ...

Panel A shows the microscopic myoarchitecture of the circular and longitudinal muscle layers of the lower esophageal sphincter and stomach. The circular muscle fibers of the esophagus cross each other ...

Difficulty standing up after sitting is usually caused by muscle stiffness, joint issues, or poor circulation. However, if it ...