props: mat, light weights
highlights: light on wrists, arms + chest, core + abs
level up: add ankle weights
level down: take all the modifications, free arms
props: mat
highlights: bear plank variation, inner thighs, obliques, wrists + arms
level up: add ankle weights
level down: half time movements, break as needed
props: mat, light weights
highlights: obliques, clamshells, arms
level up: add wrist weights
props: mat
highlights: side butt, core, twisting, hip rotation
level up: add ankle weights
level down: move half tempo
