Repeat each circuit of 3 moves for 4 sets total.

CIRCUIT 1
1. Straight leg lift
2. Leg drop & hold
3. Reverse lunge kickback

CIRCUIT 2
1. Plank jack knee drive
2. Goblet squat
3. Reach to jump squat

CIRCUIT 3
1. Single leg deadlift
2. Elbow to knee crunch
3. Straight arm sit-up