Sculpt your abs, back, and glutes 40 reps per day in one session. by MuscleMasterFlex

In this workout routine, you will target your abs, back, and glutes by performing 40 reps of each exercise in one session. By focusing on these key muscle groups, you can build strength and definition in your core and lower body. This routine is perfect for anyone looking to tone and sculpt their midsection and glutes.

via YouTube https://www.youtube.com/watch?v=WwOm1zlsVrw