Performing the: A Step-by-Step Tutorial Hip Extension On Knees
Keep your back straight and your core engaged throughout the entire exercise.
Lift one leg up behind you, keeping your knee bent at a 90-degree angle, until your thigh is parallel with the floor and your foot is pointing towards the ceiling.
Lower your leg back down to the starting position slowly and with control.
Repeat this movement for the desired number of repetitions, then switch to the other leg.