You may have seen electrical stimulators touted for helping muscle gains. They have genuine use in medicine, but do these devices really help bodybuilders?

What is an electrical stimulator?

Electrical stimulators are electrodes that attach to the skin of a muscle and pass an low electric current through the muscle. It’s purpose is to get the muscle to twitch and is used in medicine to rehab patients, such as recovering from a stroke.

Any use for bodybuilding?

No. The electric current is very weak and would have absolutely no significant role in increasing muscle growth.