Actor Sarah Michelle Gellar, best known for her role as teenage demon slayer Buffy Summers, recently shared in an interview that she uses an “EMS suit” during workouts to stay fit. And she’s not the only one who has made this form of exercising a trend – with celebrities from Tom Holland to Cindy Crawford all using EMS workouts to get fit.

EMS, short for electromyostimulation, uses electrical impulses to support muscle contraction. The idea is that the machine uses electricity to stimulate your muscles to work harder, to help you get more out of your workout without lifting heavy weights.

Some companies even claim that a 20-minute EMS session (roughly half an episode of Buffy the Vampire Slayer), can deliver the same benefits as hours in the gym. For people who are short on time, dislike traditional exercise or want a novel way to stay motivated, this sounds very tempting.

But while EMS does have some evidence-based benefits, particularly in rehabilitation settings, it’s far from a miracle shortcut to getting fit.

In clinical contexts, EMS works by sending small, electrical impulses through pads placed on the skin. Just like with regular workouts, these impulses stimulate nerves, triggering muscles to contract. Physiotherapists have used EMS for decades to help patients recovering from injury or surgery, especially when regular movement is........

© The Conversation