Are you ready to test your limits? Burn fat, build muscle, and become unstoppable with this simple but brutal fitness challenge!

FST-7 (Fascia Stretch Training–Seven Sets) is a structured system that layers proven hypertrophy mechanics to push your muscles to the edge.

A personal trainer reveals the four moves she uses to build a strong squat, and they're functional and beginner-friendly.

This controversial experiment has had the fitness industry talking since it took place in 1973. Real or not, the results ...