Butt Kicks
Main muscle: Quads
Other muscles: Hamstrings, Calves
Equipment: no equipment
Fitness level: beginner
Category: Cardio

  1. Stand with your legs shoulder-width apart. Your arms should be bent at your sides.
  2. Flex the right knee and kick your right heel up toward your glutes. Bring the right foot back down.
  3. As the right leg comes down, flex your left knee and kick your left foot up toward your glutes. Swing your arms as if you were jogging.
  4. Repeat

Source: bodybuilding.com