Position the client prone in the middle of the table and sit on the client’s posterior
pelvis; your body weight should be distributed evenly across both PSISs and the sacrum, and should be comfortable for the client. Interlace your fingers under the anterior surface of one of the client’s thighs and lift it up into extension by leaning back with your core/upper body weight (Figure 6).
Pros: This position is best for stabilising the pelvis, and therefore the most effective of all the stretches. It is easy to control the degree of knee joint flexion/extension. The client is often prone so it is easy to add this stretch. Draping is fairly easy to do with the sheet.
Cons: You have to lift the client’s entire lower extremity, which can be challenging if the client is heavy; be sure to accomplish this by leaning back with body weight. You have to climb onto the table. The table must be able to safely support the weight of two people. Modesty is an issue here; this position can only be done with clients who are comfortable with having you sit on them (an alternative is to stabilise the client’s
pelvis with a strap)