6 Plyometric Exercises to Add Some Fire to Any Workout

• Start standing with your feet hip-width apart.
• Drive your right knee up as if you're running, until it is parallel to the floor.
• Replace your right foot on the ground while simultaneously driving your left knee up until it is parallel to the floor.
• Repeat as if running, but picking the knees up higher, for 30 to 45 seconds.

Low-impact option: March in place at a fast pace.