FIGURE 3.8. (A) In the supine position, the uninvolved hip is kept in maximal extension. This stabilizes the pelvis and avoids contribution of pelvic tilt to hip flexion. The affected hip is then maximally flexed and motion recorded. (B) To check extension or presence of a flexion contracture, the unaffected hip is brought into maximal flexion and held by the patient, locking the pelvis. The affected hip is then brought out toward extension and motion recorded.
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.