Complete as many reps as possible in 20 seconds followed by 10 seconds rest, alternating exercises, repeated for 8 sets of each (16 sets in total). Complete with a continuously running timer from start to finish.

• Jogging On The Spot
• Push Ups

Scaling Down. 

Drop to your knees for the push ups and go as low as you can comfortably.. 

Technique Tip! 

For push ups try to touch your chest on the ground and return to fully extended elbows while keeping your shoulder blades and hip level (don't let your hips drop down). If you are doing them on your toes, your knees should never come in contact with the ground.