Take the ankle and press backwards.
Cross your fingers behind your back.
Crunches.
Walking for 30 minutes.
Cycling for one hour.
Jogging for 20 minutes.
Playing catch.
React after the sound of a whistle.
Running 100 meters.
Sit-ups.
Throw a 3kg. ball.
Joint your knees and bend over.
Open your legs and flex one knee.
Running 110 meters hurdles.
Skating for thirty minutes.
Push-up.