More Advanced Exercises
Some more advanced exercises : Planks: while in the plank position, lift both feet completely off the floor. Hold for 30 seconds. Pushups: when pressing up from floor, both hands should lift off floor, and remain off for 10 seconds. Situps: when coming forward, continue motion with hips lifting completely off floor until standing on feet. Continue into forward somersault. Repeat. Pullups: when pulling down, the entire apparatus should sink into floor.