We found the best options from Compex, Chirp, Beurer, and Therabody.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." “Muscle stimulators are worth the investment if you’re looking to take your workouts to the next level, ...

Muscle stimulator machines (also known as EMS) can boost strength and accelerate recovery. Here are the top six picks we've ...

Electrical muscle stimulation involves sending electrical impulses through the skin. This stimulation may provide benefits, such as helping to repair tissue and strengthen muscles. The electrical ...

Already a staple for pro athletes, electric stimulation--sort of like shock therapy for triathletes--is now being marketed to the mainstream. Video: Zapped to glory Michael Kanellos is editor at large ...