Muscle contraction disease in dogs is a type of seizure. The cause of the condition usually involves a dog’s nervous system. Thankfully, the condition is quite rare in dogs. Also, dogs remain ...

Muscle cells were once thought to be the smallest units that experienced contraction. But new research has suggested that smaller sections of muscles cells can experience localized calcium signaling ...

Chattering teeth – that rapid, sometimes noisy clack of your upper and lower teeth – is a minor, startling symptom that can ...

The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a new study. The flow of water within a muscle fiber may dictate how quickly muscle can contract, ...

In a serendipitous discovery, UC San Diego researchers using cryo-EM technology captured the first visualizations of the 3-D structure of the muscle acetylcholine receptor in fetal and adult muscles.

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 ...

Molecular discoveries may help improve treatments for labor and pain. When labor starts, the uterus must produce steady, ...

If your fitness goal is to up the ante on endurance, pack more power into your sprint, or supercharge your strength gains in the gym, it’s worth exploring – what are the different muscle fiber types?