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PM R. 2014 Apr;6(4):302-8; quiz 308. doi: 10.1016/j.pmrj.2013.09.014. Epub 2013 Oct 6.

The effect of lumbar support on the ultrasound measurements of trunk muscles: a single-blinded randomized controlled trial.

Author information

1
Sports Medicine Research Center, School of Medicine, Tehran University of Medical Sciences; Spine Division, Noorafshar Rehabilitation & Sports Medicine Hospital; and Brain and Spinal Injury Repair Research Center, Tehran University of Medical Sciences, Tehran, Iran(∗).
2
Sports Medicine Research Center, School of Medicine, Tehran University of Medical Sciences; and Brain and Spinal Injury Repair Research Center, Tehran University of Medical Sciences, Tehran, Iran(†).
3
Sports Medicine Research Center, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran(‡).
4
Sports Medicine Research Center, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran(§).
5
Sports Medicine Research Center, School of Medicine, Tehran University of Medical Sciences, No. 7, Al-e-Ahmad Highway, P.O. Box 14395-578, Tehran, Iran; Spine Division, Noorafshar Rehabilitation & Sports Medicine Hospital; and Brain and Spinal Injury Repair Research Center, Tehran University of Medical Sciences, Tehran, Iran(‖). Electronic address: ramin_kordi@tums.ac.ir.

Abstract

OBJECTIVES:

To evaluate the effect of lumbopelvic belts on the thickness of lateral abdominal muscles and the cross-sectional area (CSA) of lumbar multifidus (LM) muscles.

DESIGN:

A single-blinded randomized controlled trial.

SETTING:

An academic and tertiary care referral spine and sports medicine center.

PARTICIPANTS:

Sixty healthy volunteers with no history of low back pain in the previous year.

METHODS:

The subjects were allocated into belt and control groups. Lumbar belts were given to the subjects in the belt group, and they were asked to use the belts during the study period except during sleeping hours. The subjects were assessed at baseline and at 4 and 8 weeks.

MAIN OUTCOME MEASURES:

The thickness of lateral abdominal muscles and the CSA of the LM muscles were measured by ultrasound with the patient in the hook-lying position on an examination table.

RESULTS:

The thickness of lateral abdominal muscles and the CSA of LM muscles on both sides decreased significantly among healthy subjects in the belt group after 8 weeks.

CONCLUSION:

The results of this study show that lumbopelvic belts might influence the ultrasonographic measurements of lateral abdominal and LM muscles and thereby spine stability.

PMID:
24107427
DOI:
10.1016/j.pmrj.2013.09.014
[Indexed for MEDLINE]

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