15 MINUTE Tabata HIIT workout

1) 20 seconds of seal jacks as fast as you can.(seal jack is just arms clapping in front of you rather than overhead. 10 seconds rest, then repeat for 6 rounds.

2) sprinting in place, high knees, arms and legs as fast as they can go for 20 seconds. 20 seconds rest, repeat for 6 rounds.

3) On all fours do mountain climbers as fast as you can for 20 seconds. 20 seconds rest. 6 rounds total

4) Deadmill sprints (treadmill off) all out for 15 seconds, 45 seconds rest. 6 rounds