Fryette’s Principles Both the thoracic and lumbar spine follow Fryette’s Principles Thoracic and lumbar spine diagnoses are a tri-planar and include: Rotation​, Sidebending, and Flexion/Extension Flexion and Extension will only apply to a Type II “Non-Neutral” Dysfunction However, in order to differentiate between Type I and Type II dysfunctions, it is important to […]
Category: Lumbar Spine
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