Grab the kettle bell in front of you. As you lower the kettle bell, raise the same side leg to the rear.
Make sure your hips stay square and move you leg up / torso down together. Keep the back straight and hip hinge during the motion.
Lie on your back with your knees fully bent facing up and heels in the straps.
Raise the hip towards the ceiling while focussing on the glutes and lower back.
Lie on your back with your knees fully bent facing up.
TRX Halfway Length
Grab both handles and step back.
As you let the TRX trainer guide your straight arms forward, raise one straight leg behind you as you keep your hips square.
Try to keep the foot pointed down and squeeze the glutes and lower back as you hip hinge.
Your torso and legs should more in sync.
Place one foot on a box.
Raise the hip while holding the knees at the same level (don't throw or kick your other leg upwards) to keep the movement controlled.
Place one foot on a box and stand sideways to the box.
Step up and down. Control the motion to avoid jerking or impact on the knee.