props: mat
highlights: neutral spine work, butterfly crunch, spinal articulations, ten minutes
level up: add ankle weights and wrist weights
props: weights
highlights: shoulders, biceps, cardio elements, ten minutes
level up: use heavier weights
level down: free arms
props: mat
highlights: quick tempo, pelvic tilts, roll ups, obliques, ten minutes
level up: add wrist weights
level down: move half tempo