Muscle twitches fall into two main types. There’s myoclonus, where a whole muscle or group of muscles twitch or spasm. Then ...

Muscle power—the ability to generate force quickly—is essential for everyday function. It supports tasks such as rising from ...

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

Physical therapists reveal the foundational "vital signs" of movement that determine your future independence, mobility, and ...