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Expanded Spinal Flexion Test: A New Palpatory Tool for LBP Analysis or an Old Test Revisited?

Journal: The AAO Journal Date: 2005/03, 15(1):Pages: 24-27, type of study: clinical trial

Free full text   (https://www.academyofosteopathy.org/aaoj)

Keywords:

clinical trial [612]
expanded spinal flexion test [1]
lumbar vertebrae [16]
sacral flexion test [1]
diagnosis [263]

Abstract:

Expanded spinal flexion test (ESFT), in its simplest definition, involves the application of the classical sacral test for sacral unleveling test (or simply sacral flexion test - SFT) to the lumbar and lower thoracic vertebrae. This incidentally discovered new test or a new application of an old test, does not appear to be documented or used elsewhere in the literature. According to the spinal motion laws documented first by Fryette in the osteopathic literature, Law #3 states that a motion or dysfunction in any plane of motion of a single vertebrae will cause a restriction for further motion of the same vertebrae in the remaining plane(s) of motion. Currently, the clinical palpation tests and observations regarding the dysfunction of lumbar vertebrae are geared towards side bending and rotational movements, even though the major motion of the lumbar spine is flexion and extension, and even though a dysfunction in coronal and transverse planes could significantly affect the further motion of lumbar vertebrae in their dominant motion that is flexion and extension, i.e. on the sagittal plane. In our view, it should be intuitive that any dysfunction in this group of vertebrae may be more easily and directly observed by paying attention to the dynamic motion of the lumbar vertebrae (and its components) in the sagittal plane. Indeed, it was found that a dysfunction in the lumbar vertebrae could be clinically detected and diagnosed by applying the sacral flexion test on the lumbar and lower thoracic vertebrae. Therefore, this study aims to document this finding and explain its theoretical basis and conformance with the existing and well accepted spinal motion laws. It is hoped that an interest leading to a myriad of studies regarding its use, applicability, specificity, sensitivity may be fueled in this area.


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