Which muscle stimulators are best? Muscle stimulators are not magic tools that help promote muscle growth and strength. They’re medical devices buyers use for pain management and rehabilitation. The ...

"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, ...

A muscle stimulator is a handheld or larger machine with connected electrodes. Larger machines usually only exist in therapy clinics or doctor’s offices, while handheld devices are used at home.