For a great leg and core workout, complete each exercise for 30 seconds with a 5-10 sec rest in between. 1. Curtsey Lunge 2. Squats 3. Plank Jack 4. Hip Thrusts 5. Burpee pressup Jump Lunge 6. Full Situp 7. Triple Pulse Squat Jump 8. O/H Squat walk 9. Mountain climber Complete 3 rounds. You can add any weights if you have them. Add in a 100m run or 10 sprints at the end of each round if you want some cardio.