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. 2020 Sep;28(4):222-230.
doi: 10.1080/10669817.2019.1661706. Epub 2019 Sep 2.

A study exploring the prevalence of Extremity Pain of Spinal Source (EXPOSS)

Richard Rosedale  1 , Ravi Rastogi  1 , Josh Kidd  2 , Greg Lynch  3 , Georg Supp  4 , Shawn M Robbins  5
Affiliations

A study exploring the prevalence of Extremity Pain of Spinal Source (EXPOSS)

Richard Rosedale et al. J Man Manip Ther. 2020 Sep.

Abstract

Objectives: To investigate the proportion of patients that present with isolated extremity pain who have a spinal source of symptoms and evaluate the response to spinal intervention.

Methods: Participants (n = 369) presenting with isolated extremity pain and who believed that their pain was not originating from their spine, were assessed using a Mechanical Diagnosis and Therapy differentiation process. Numerical Pain Rating Scale, Upper Extremity/Lower Extremity Functional Index and the Orebro Questionnaire were collected at the initial visit and at discharge. Global Rating of Change outcomes were collected at discharge. Clinicians provided MDT 'treatment as usual'. A chi-square test examined the overall significance of the comparison within each region. Effect sizes between spinal and extremity source groups were calculated for the outcome scores at discharge.

Results: Overall, 43.5% of participants had a spinal source of symptoms. Effect sizes indicated that the spinal source group had improved outcomes at discharge for all outcomes compared to the extremity source group.

Discussion: Over 40% of patients with isolated extremity pain, who believed that their pain was not originating from the spine, responded to spinal intervention and thus were classified as having a spinal source of symptoms. These patients did significantly better than those whose extremity pain did not have a spinal source and were managed with local extremity interventions. The results suggest the spine is a common source of extremity pain and adequate screening is warranted to ensure the patients ́ source of symptoms is addressed.

Keywords: Differentiation; McKenzie Method; directional preference; extremity pain; mechanical diagnosis and therapy; musculoskeletal; repeated movements; spinal source.

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Conflict of interest statement

Richard Rosedale is employed as the International Director of Education and an International Instructor with the McKenzie Institute International. Josh Kidd is an instructor with the McKenzie Institute USA. Greg Lynch is a Director on the Board of Trustees of the McKenzie Institute International and employed as an International Instructor. Georg Supp is a member of the McKenzie Institute's Education Council and employed as an International Instructor.

Figures

Figure 1.
Figure 1.
Design and flow of participants during study.
See this image and copyright information in PMC

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