No Equipment Needed: Bodyweight Workout

4 Rounds:
For 3 Minutes:
1 (+1) Burpee
2(+2) Jumping Lunges

1 Minute:
1(+1) Push-up,
2(+2) Narrow Mountain Climbers

1 Minute:
1(+1) Sit-up
2 (+2) Crunches

- start each new round over at the beginning.