Instructions: Recommended sets and reps: 3 sets of 8 to 10 reps on each side Another great TRX exercise is squats. This simple but effective workout will allow you to use your body weight to build ...

or even TRX strap (if you feel daring), which turns it into a glute and quad powerhouse. Bulgarian split squats deliver results along with the soreness. They're great for improving your balance ...

And if you need to make the move a bit easier, either decrease the weight or find something to hang onto—like a column, TRX band, handle, or door frame. "Holding onto something while you squat ...