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Daily Archives: September 30, 2009

Adjustment of Lower Extremity Joint Subluxation-Fixations

By |September 30, 2009|Diagnosis, Education|

Adjustment of Lower Extremity Joint Subluxation-Fixations

The Chiro.Org Blog

We would all like to thank Dr. Richard C. Schafer, DC, PhD, FICC for his lifetime commitment to the profession. In the future we will continue to add materials from RC’s copyrighted books for your use.

This is Chapter 1 from RC’s best-selling book:

“Lower Extremity Technique”

These materials are provided as a service to our profession. There is no charge for individuals to copy and file these materials. However, they cannot be sold or used in any group or commercial venture without written permission from ACAPress.

Chapter 1:   Adjustment of Lower Extremity Joint Subluxation-Fixations

This chapter describes adjustive therapy as it applies to articular malpositions of the proximal femur, knee, ankle, and foot. Manipulations to free areas of fixation are also explained.


Articular disorders of the lower extremities are quite common, both as primary and secondary disorders, and may have far-reaching effects. For example, the hip works as a functional unit with the pelvis and indirectly the lumbar spine, as well as the knee, ankle, and foot, which have a direct influence on both adjacent segments and body structure as a whole.

The knee is the largest joint of the body, and it is fairly centered between long bones above and below. Thus, it is frequently subjected to strong leverage forces. Without much soft-tissue protection, the knee is easily subject to trauma; however, this same attribute offers helpful bony landmarks that are easily palpable.

Total body weight from above is transmitted downward to the leg, ankle, and foot in the upright position, and this force is greatly multiplied in locomotion. Thus, the ankle and foot are uniquely affected by trauma and static deformities infrequently seen in other areas of the body. For most clinical purposes, the lower leg, ankle, and foot can be considered to work as a dynamic unit.

     Screening Tests for the Lower Extremity as a Whole (more…)