This targets a host of muscles—your quads, glutes, hip flexors, calves, hamstrings, inner thighs, and even your core, chest, and shoulders. Plus, it’ll get your heart racing, making it the ultimate power move, says Larysa DiDio, host of Prevention’s video program Tone Up in 15 (prevention.com/tone15).
1 Start in plank position with your shoulders over your wrists and your belly tightened.
2 Lean into your hands and jump your feet into a “frog” position, landing with feet wide, knees bent.
3 Engage your core and jump back into plank position with your feet landing together and your butt in alignment with your body.
4 That’s one rep. Do 8 to 12. v