Spinal PA movements behave ‘as if’ there are limitations of local segmental mobility and are large enough to be perceivable by manual palpation: A synthesis of the literature

Neil Tuttle, Charles Hazle

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Background: Posterio-anterior (PA) movements are one type of passive intervertebral movement used to assess and treat perceived deficits in localized segmental mobility. Objectives To describe: 1) The specific effects that reductions in segmental mobility would be expected to have on PA movements; 2) How differences in PA movements in clinical situations compare to what would be expected with reduced segmental mobility; and 3) Whether such differences in PA movements are likely to be perceivable by manual palpation. Methods: Multiple modelling studies and in vivo measurements of PA movements are described. Results The findings indicate the differences in PA movements present in clinical conditions corresponds with the differences that would be expected with decreased segmental mobility. The differences both predicted from the modelling and found in clinical conditions were greatest at low levels of force. Additionally, the differences are large enough that individuals with training are likely to be capable of 1) consistently producing controlled movements with sufficiently small magnitudes of force to assess the movements, and 2) detecting the differences in stiffness expected from modelling and found in clinical situations. Conclusions: Implications for clinical practice and teaching include the need to attend to the stiffness of PA movements at lower levels of force than those typically described. The authors recommend a three tiered approach to assessment of PA movements which may assist in both clinical practice and teaching manual therapy skills.

Original languageEnglish
Pages (from-to)25-31
Number of pages7
JournalMusculoskeletal Science and Practice
Volume36
DOIs
StatePublished - Aug 2018

Bibliographical note

Publisher Copyright:
© 2018 Elsevier Ltd

Keywords

  • Passive movements
  • Psychomotor skills
  • Spinal assessment

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation

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