Repeat the following 4 exercises 6 times as fast as you can with good form!
1) 50 x High Knee Skips
2) 10 x Burpees
3) 10 x Sandbag Squats
4) 10 x Straight Abs
Set timer to 3 rounds of 50 / 10
1) Plank Knee to opposite chest
2) Star Situps with toes touch
3) Plank Knee to elbow