Sustained versus repetitive standing trunk extension results in greater spinal growth and pain improvement in back pain: A randomized clinical trial

Harrison, J. J., Brismée, J.-M., Sizer Jr, P. S., Denny, B. K. et Sobczak, S. (2024). Sustained versus repetitive standing trunk extension results in greater spinal growth and pain improvement in back pain: A randomized clinical trial. Journal of Back and Musculoskeletal Rehabilitation, 37 . pp. 395-405. ISSN 1053-8127 1878-6324 DOI 10.3233/BMR-230118

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Résumé

Abstract

BACKGROUND:
McKenzie standing trunk extension exercises have been used for the management of low back pain (LBP). However, no study to date has investigated the effect of standing trunk extension postures on spinal height and clinical outcomes.

OBJECTIVE:
To evaluate in subjects with LBP following a period of trunk loading how spinal height, pain, symptoms’ centralization and function outcome measures respond to two standing postures interventions: (1) repetitive trunk extension (RTE) and (2) sustained trunk extension (STE).

METHODS:
A consecutive sample of convenience of people with LBP were recruited to participate in 2-session physical therapy using either RTE or STE in standing.

RESULTS:
Thirty participants (18 women) with a mean age of 53 ± 17.5 years completed the study. The first session resulted in spinal height increase (spinal growth) of 2.07 ± 1.32 mm for the RTE intervention and 4.54 ± 1.61 mm for the STE group (p < 0.001; ES = 1.67), while the second session (2-week following the first session) resulted in spinal growth of 2.39 ± 1.46 mm for the RTE group and 3.91 ± 2.06 mm for the STE group (p = 0.027; ES = 0.85). The STE group presented with the larger reduction in most pain from 6 to 2 as compared to the RTE group from 6 to 4 between Session 1 and Session 2 (p < 0.001). There was no difference between the groups in Modified Oswestry score and symptoms centralization (p = 0.88 and p = 0.77, respectively).

CONCLUSION:
People with LBP experienced greater spine growth and improvements of pain during standing STE as compared to RTE. People with LBP could use such postures and movements to alleviate their LBP and improve spine height while in a weight bearing position.

Type de document:	Article
Mots-clés libres:	Intervertebral disc Manipulative therapy Rehabilitation Stadiometry McKenzie Exercises Physical therapy
Date de dépôt:	02 juill. 2024 14:35
Dernière modification:	02 juill. 2024 14:35
Version du document déposé:	Version officielle de l'éditeur
URI:	https://depot-e.uqtr.ca/id/eprint/11370

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