In this video Alex demonstrates a Heel Slide using the Vive PROFlex Strap. This is 2-in-1 leg lifter and exercise strap is helpful in getting your leg on/off the bed, as well as assisting with exercises after surgery. The heel slide exercise is helpful with knee and hip range of motion.(Disclosure -- Vive PROFlex Strap was designed by Cindy, PT with Adaptive Equipment Corner for her knee and hip clients:)
This exercise can be performed with a sheet or long belt as well.
If one of your precautions is "No bending greater than 90 degrees at the hips", use caution not to break this by leaning too far forward in placing the strap around your foot. Additionally, keep your heel on the surface that you are lying on as your perform the heel slide in order to prevent breaking the above precaution as well. Check with your surgeon and/or physical therapist on the appropriateness of this exercise after surgery. Depending on your surgery, some surgeons may initially hold this exercise after surgery.