20 minute two in one core and butt workout plan from KOfit. This 2 in 1 series will have your core & butt toned in half the amount of time as traditional abs and glutes exercises with a unique combo of intense compound movements. Get ready to feel the bur
Blast Belly Fat 15 minute workout- THE MATRIX- Grab a five- to medicine ball (or dumbbell) and kneel on the floor with your knees hip-width apart. Keep your torso upright and hold the ball against your abs (a). Slowly lean back as far as possib.