This high-intensity bodyweight routine is designed to build muscle and burn calories. Aim for three sets of: 25 burpees, 35 press-ups, 45 sit-ups and 55 squats.

Burpees

burpees

burpees

burpees

burpees

  • Start in a standing position, arms down and feet hip-width apart
  • Lower into a squat position with you hands flat on the floor
  • Jump back into a press-up position
  • Step both legs back into your chest and explode up into a jump

Press-ups

press up

press up

  • Get into a high plank position. Place your hands firmly on the ground, directly under shoulders
  • Lower your body. Begin to lower your body—keeping your back flat and eyes focused about three feet in front of you to keep a neutral neck—until your chest grazes the floor
  • Push back up

Sit-ups

sit up

sit up

  • Lie on your back with your knees bent and you feet flat on the floor
  • Pull your shoulder blades back so your elbows are out to the side
  • Brace your abs and then raise your body up towards your knees, shoulders should be lifted of the floor

Squat

squat

squat

  • Stand with your feet hip-width apart and your hands by your sides
  • Bend your knees to a 90-degree angle, with your hands out in front, trying to keep as straight a back as possible
  • Return to the starting position