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Positive Effects on Intervertebral Discs from Exercise

Author: University of Gothenburg

Published: 2011-07-02 : (Rev. 2016-04-01)

Synopsis and Key Points:

Study shows physical exercise has a positive effect on the formation of cells in the intervertebral discs.

Main Digest

Exercise produces positive effects on the intervertebral discs.

Physical exercise has a positive effect on the formation of cells in the intervertebral discs. This is shown by a study from the Sahlgrenska Academy, University of Gothenburg, presented at the annual meeting of the International Society for the Study of the Lumbar Spine (ISSLS), which is currently taking place in Gothenburg.

The study from the Sahlgrenska Academy shows that physical activity has a positive effect on cells in the intervertebral discs. The result is based on rats undergoing treadmill exercise. It was subsequently studied how many new cells in the intervertebral discs were formed in rats that had run on a treadmill for about one hour a day compared with animals that had only moved around freely in a cage. "This is new knowledge showing that the intervertebral discs can be positively affected by physical activity," says Helena Brisby, an associate professor at the Department of Orthopaedics at Sahlgrenska Academy and spine surgeon at Sahlgrenska University Hospital.

Pain in the lumbar spine is common and may be due to disc degeneration, which means that the disc cells no longer have normal functions. Based on the results of the study, the research team led by Helena Brisby and Bjarn Rydevik intends to go on to study whether the cells in degenerated discs respond as positively to exercise as they have now shown to do in normal discs.

"Physical exercise is already an important part of the treatment for back pain today, but there is limited knowledge about the specific effect that exercise has on the discs and what the optimal dose of exercise is," says Bjarn Rydevik, a professor in the Department of Orthopaedics at Sahlgrenska Academy.

The research team plan for continued studies with this animal model, which hopefully will establish whether exercise can prevent disc degeneration and could consequently prevent back pain, but also aims to study the effect of exercise when back problems have already arisen.

The annual meeting is organized by the International Society for the Study of the Lumbar Spine, which is a non-profit organization with members from all parts of the world who conduct research on problems affecting the lumbar spine. The purpose of the annual meeting is to create a forum where the researchers can exchange knowledge.

Title of the article: Physical exercise affects cell proliferation in lumbar intervertebral disc regions in rats

Authors: Nobuyuki Sasaki, Helena Barreto Henriksson, Eva Runesson, Karin Larsson, Miho Sekiguchi, Shin-ichi Kikuchi, Shin-ichi Konno, Bjarn Rydevik, Helena Brisby

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