Medically reviewed by Amy Kwan, PT Muscle fatigue is a decreased ability to create force with your muscles.Electrolyte imbalance and overuse are some of the most common causes of muscle fatigue.Rest ...

For athletes across all sports, few experiences are as agonizing as being forced to leave competition with a sudden muscle cramp. These painful, uncontrolled spasms – formally known as ...

Credit: Getty Images Our work suggests that targeting the brain-muscle axis could offer new treatment strategies for muscle fatigue. Infectious or chronic diseases such as long COVID, Alzheimer’s ...

Dehydration may be one cause of muscle cramps, and some evidence suggests that electrolyte imbalances also contribute to them. Muscle cramps are painful, involuntary contractions of the muscles that ...

Muscle twitches, often experienced as sudden, involuntary movements in the muscles, are common yet can raise concerns for some individuals. These small, rapid contractions, medically known as ...

Chronic obstructive pulmonary disease (COPD) is more likely to conjure images of breathlessness rather than weak muscles, but can COPD also cause muscle weakness? Research seems to show a correlation.

While sitting still at your desk or watching TV, you sense a feeling of muscular discomfort in your arm or leg. It’s not quite a charley horse, but you can see your skin pulsating involuntarily, as if ...

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 ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Michael Hales, Kennesaw State University (THE CONVERSATION) For athletes across all ...

Michael Hales does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...