The Effect of Diaphragm Muscle Training on Chronic Low Back Pain

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    Szeged University
Updated on 22 September 2023
back pain


Brief Summary: Low back pain is very common problem in all the developed countries and affects children to elderly. Based on the etiology the low back pain is divided into two type: nonspecific and specific low back pain. If the pathological reason is known it is defined as specific and if the reason for the pain is unknown it is defined as nonspecific low back pain. The postulated reason for nonspecific low back pain is the segmental instability of the lumbar spine. Diaphragm muscle has a role in maintaining the segmental stability. The aim of this study to reduce the severity of the low back pain with improving the stability of the lumbar spine by using diaphragm training.


The study is a randomized controlled trial. The participants are divided randomly into two groups. One of the groups take part in a complex training which contains stretching, strengthening, mobilizing exercises and proprioceptive training and this training is completed by diaphragm strengthening exercises. This group is defined as diaphragm training group. The members of the diaphragm training group use the POWERbreathe Medic Plus device. Opposed to the diaphragm training group the members of the control group take part only in the complex training without strengthening the diaphragm muscle. The pain intensity is assessed by Visual Analogue Scale and the diameter of the stabilizer muscles' belly is measured by B-mode ultrasound examination, using Zonare Z.One Ultrasound System (Mountain View, CA, USA). The thickness of the transversus abdominis muscle, the lumbar multifidus muscle and the diaphragm muscle is assessed in two different positions: during lying and during sitting position with weightlifting. The muscles are measured in two different states: a relaxed and a contracted state. Functional tests and a balance platform (NeuroCom) are used to measure the stability, and the function of the diaphragm is assessed by using a POWERbreathe KH2 device.

Condition Low Back Pain, Lower Back Pain, Vaginal Ring, Back Pain, Chronic Back Pain, Diaphragm, Chronic Back Pain, Lower Back Pain, lumbago
Treatment Complex training, Diaphragm training
Clinical Study IdentifierNCT03600207
SponsorSzeged University
Last Modified on22 September 2023

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