BTS ARMY Medical Union ⁷ on Twitter: "To make a plank easier, you can do it on bent knees. To add challenge to these exercises, you can add a weight- either on
AssaultBike Classic – Assault Fitness
5 Best Assault Bike Workouts to Torch Fat - SET FOR SET
28 Awesome Assault Bike Workouts. This article was originally published… | by Fit At Midlife | Medium