Today’s workout, created for SELF by trainer Lita Lewis, is filled with plyometric moves like power jacks, jumping lunges, and pop squats. Plyometrics are explosive moves designed to increase strength ...

Welcome to the "TRX full-body circuit party!" This badass gym workout was brought to you by Michelle Opperman, regional group fitness director for Crunch Gyms in San Francisco. PS, There’s More PS, ...

Tight hips can seriously mess with your squat form. That pinchy, can't-go-any-further sensation not only interrupts your workout vibe, but it also means you’re not getting all of the booty-building, ...

When performed correctly, squats are a functional exercise that can boost your calorie burn, help prevent injuries, strengthen your core, and improve your balance and posture. Share on Pinterest Oana ...