Appears in642 Workouts*
Fast Sit-Up Slow-Down
Blast your core with Fast Sit-Up Slow-Down! Power up quickly, then resist on the way down for max ab burn. Feel the difference!
JustGains_XY
@JustGains_XY
Blast your core with Fast Sit-Up Slow-Down! Power up quickly, then resist on the way down for max ab burn. Feel the difference!