5. TRX burpee (TRX straps at mid-calf)
Place one foot in foot cradle and center with anchor point, placing your shoulders over your hips. Drive your suspended knee back and lower your hips until back knee is 2″ from the ground. Place your hands on the ground, hop your grounded leg straight back to a plank, and do a pushup. Hop your grounded leg forward and explode up to a jump.
Common faults: Dropping hips during pushup; not hopping leg forward far enough.
Frankel says: “This high-intensity cardio exercise works your quads, hamstrings, glutes, core, and chest. You get a great stretch as you go down, go to a plank for strong push, and drive that knee and jump up.”
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