This is how you do it
Start in a standing position with enough space to step sideways.
Brace and flex your glutes and legs to step sideways with your right leg.
As you step bend your right knee and squat down until your thigh is parallel to the floor.
Flex your glutes and legs to straighten or extend the right knee.
Bring your right foot back beside your left foot.
Repeat using the left leg & repeat for the desired repetitions.
Inverse Plank Thrust
Glutes, Quads & Hamstrings
Glutes & Hamstrings
Raised Flatform / Bench