Mobility Warm-up   20 Seconds Forward Arm Circles 20 Seconds Backward Arm Circles 3 Rounds for Quality 3 X 10 Seconds Hollow Body Hold 10 Hollow Body Rocks 10 Walking Lunges 10 Push-ups Fitness Level Substitution: Banded Push-up OR Knee Push-up 10 Air Squats Skills / Strength   Tennis Footwork – This will translate to everything, so don’t skip even if you…