Common Patterns of Lower Extremity Subluxations

By: Jeffrey D. Olsen, DC Activator Methods Chiropractic Technique (AMCT) suggests that, before proceeding to the pelvis or any portion of the axial skeleton, doctors must first clear the subluxations and remove any instability from the lower extremity.1 The Activator Adjusting Instrument, with the proper line of drive, is your tool for removing subluxations. Furthermore, 

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Activator Methods Chiropractic Technique (AMCT)

By: Jeffrey D. Olsen, DC Among the options available, my low-force procedure of choice is Activator Methods Chiropractic Technique (AMCT). From my earliest exposure to AMCT, while taking the elective as a student at Palmer College, I had the impression that this is the most systematic approach to Chiropractic care. In our training and too 

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Excessive Pronation and the Q-Angle

By: Mark N. Charrette, DC The Q-angle is a very important indicator of biomechanical function in the lower extremity. This measurement reflects the effect of the quadriceps mechanism on the knee (hence the “Q” angle). When assessed correctly, it supplies very useful information concerning the alignment of the pelvis, leg, and foot. Determination of the 

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Diagnosis and Adjustment of the Positive Derifield

By: Wayne Henry Zemelka, DC Positive Derifield (+D) analysis is derived from observing the Leg Length Inequality (LLI) (Fig. 1), in that the short leg in extension comes even or crosses over to become longer when placed into flexion (Fig. 2). A +D indicates that the rotation of the ilium occurs at the acetabulum, therefore 

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The Biomechanics of Gait

By: Jeffrey D. Olsen, DC The biomechanics of gait affect not only the lower extremities, but also the rhythmic movements of the entire body. To appreciate this obvious relationship, picture running with your arms folded across your chest or with your chin tucked. Just like restricting these key components of a balanced gait feels awkward, 

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