1. Knee-bends
Flex down through 45 degrees, then push back to standing. Keep your heels on the floor.
2. Jumps on the spot
3. Abdominal raises (20)

Lie on your back on the floor, with slightly bent legs, and hands clasped
behind your head.
Lift your shoulders, keeping your lower back on the floor.
If you find this hard, cross your arms on your chest or let them rest on
your thighs.
4. Jumps to left and right (40)

Try to cover a reasonable distance with each jump.
5. Leg raises (20)

Kneeling on all fours, bring one knee in toward your chest, then push the
leg back behind you, toe pointed.
Raise the extended leg.
After 20, repeat
with the other leg.