Complete a chest to floor burpee facing the barbell. Jump up out of the burpee and then with two feet jump over the barbell or step if you can't jump.
GHD sit ups
Sit on the hamstring curl machine and place your feet under the foot holders. Step 2: Lean backwards and let your upper body go down as far as it can go. Step 3: Place your hands behind your head and using your core raise yourself back up. Step 4: Touch your toes with your hands. This completes one repetition.