Erin Stern Works out at 4U Fitness with full body E-Fit electric muscle stimulation.



“I don’t mean to brag but… i just finished my 3 hour workout in 20 minutes ⚡️💪⚡️”

#4ufitness #efit #20minworkout

EMS research was proven to significantly increase an athlete’s endurance, stamina, fitness levels. In a 20-minute E-Fit training session, 350 different muscles are worked, contracting 36,000 times.

Book Your One-Week Free Trial Now!

Why wait? Get the body you’ve always wanted with quick, effective training sessions that fit your busy life.
Sign up today to start your FREE TRIAL!

  • This field is for validation purposes and should be left unchanged.