Stand in front of a bench and place one foot behind you on the elevated surface while holding a kettlebell in one hand and optionally using the other hand to hold onto a support for balance. Keep your chest upright and core engaged. Lower your body by bending your front knee until your back knee is close to the floor, maintaining control and alignment. Push through the heel of your front foot to return to the starting position. Complete all reps on one side, then switch legs.
Log your kettlebell assisted bulgarian split squat sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.