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FIGURE 3.7. Thigh circumference should be measured at a fixed position, both for consistency of measurement of the affected and unaffected limbs and for consistency of measurement on subsequent examinations. (A) A tape measure is placed from the anterior superior iliac spine (ASIS) toward the center of the patella. (B) A selected distance below the anterior superior iliac spine is marked (typically 18 cm). (C) Thigh circumference is then recorded at this fixed position.

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.

FIGURE 3.7. Thigh circumference should be measured at a fixed position, both for consistency of measurement of the affected and unaffected limbs and for consistency of measurement on subsequent examinations. (A) A tape measure is placed from the anterior superior iliac spine (ASIS) toward the center of the patella. (B) A selected distance below the anterior superior iliac spine is marked (typically 18 cm). (C) Thigh circumference is then recorded at this fixed position.

FIGURE 3.9. In the prone position, extension can also be quantitated in an assisted fashion.

Essentials of Human Physiology

Essentials of Human Physiology

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.

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