BYT

Cardio · Bodyweight · Add load

Burpee

Stand with the feet about hip-width, arms at the sides.

Burpee
  1. 1Squat, set the hands, then step or jump the feet back to a straight plank.
  2. 2The chest can meet the floor, or you can stop in the plank. Then bring the feet back in.
  3. 3Stand and reach overhead. Don't let the low back sag in the plank.

Easy to miss: A piked or collapsed plank, or the hips shooting up before the hands are set.

Muscles

Copper on the figure is a prime mover. The softer tone helps.