Exercise Timer
Core-stability workout
5 laps of: Push-ups(00:20), Break(00:10), Sit-ups(00:20), Break(00:10), Planking(00:20), Break(00:10), Russian Twists(00:20), Break(00:10), Sideways Plank Left(00:20), Break(00:10), Superman(00:20), Break(00:10), Sideways Plank Right(00:20), Break(02:00).