3A. Bolster under the knees for more lower back flexion (forward bending).
3B. Legs straight for less lower back flexion.
3C. Towel under lower stabilization belt for neutral low back position or slight back
extension (backward bending).
3D. Prone (stomach-lying) for more lower back extension (backward bending.)
NOTE: Have a partner secure the harnesses as described on page 5.
Figure 3. Position Options. (Model in clothing for demonstration purposes only)
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