Push up practise.
20 push ups in as many varieties as you can create.
-Incline, Decline, One Arm, One leg, Knees and palms, knuckles, toes on gym ball, toes on med ball, inverted, inverted on bricks, legs wide, legs close, Palms wide, palms close, Clap, One arm on step, palms on med balls etc
Get creative and beat that nasty fatigue barrier!!
Total 300 Push ups