This is how you do it
Begin in a seated position on the floor with your hands behind your hips and knees bent. Feet should be about shoulder width
Brace and flex your glutes and legs.
Raise your hips off the floor until your torso and thighs are parallel to the floor and your knees are at 90°.
Hold for the desired time and lower your hips to the floor.
Bulgarian Split Squats
Quads, Hamstrings & Glutes
Raised Flatform & Chair
Single Leg Good Mornings
Glutes, Legs & Core