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Exercise therapy for low back pain

Date:
April 26, 2010
Source:
University of Montreal
Summary:
Low back pain (or lumbago) is a common ailment often triggered by something as simple as lifting a suitcase. What is the best way to remedy the situation? An exercise machine designed specifically for back muscles could be the solution.

Low back pain (or lumbago) is a common ailment often triggered by something as simple as lifting a suitcase. What is the best way to remedy the situation? An exercise machine designed specifically for back muscles could be the solution, according to a new study published in the Journal of the American College of Sports Medicine.

"If you want to bring about physiological change to help the development and endurance of back muscles, you must focus your training on those specific muscles and not other muscular groups such as hip extensors," says Christian Larivière, a professor at the Institut de recherche Robert-Sauvé en santé et en sécurité du travail (IRSST), who conducted the study with Université de Montréal researchers Bertrand Arsenault, Rubens A. Da Silva, Sylvie Nadeau, André Plamondon et Roger Vadeboncoeur.

The investigation requested that subjects aged 18 to 65 -- some healthy and others with low back pain -- complete various exercises. Electromyography (EMG) sensors were used to measure the level of activity and fatigue in various muscles during the routine. "Thanks to this technique, we can target tired muscles which aren't yet showing a decrease in strength," says Larivière.

Test subjects also used a machine designed for back exercises in a semi-sitting position. Results clearly showed that using this machine was beneficial. Using a cushion to stabilize the pelvis brought about a better response from the back muscles. In addition, extending the legs strengthened muscles. "Therefore, we can decrease the use of hip muscles and in turn increase the use of the back muscles," says Larivière.

Such exercises can only help reduce pain and disabilities caused by back pain, says Larivière. He recommends those who suffer severe hurt begin with stretches on the ground with low to medium effort. "Progressively, the individual will gain confidence and can use machines that require superior strength," he says.

Larivière highlights the fact that six out of 10 Quebecers will suffer from back pain in their lifetime. "Musculoskeletal disorders are a serious public health issue," says Larivière. "They're also an economic problem. In 2007, back pain cost Quebec's Commission de la santé et de la sécurité du travail $516 million in worker compensations."


Story Source:

The above story is based on materials provided by University of Montreal. Note: Materials may be edited for content and length.


Journal Reference:

  1. Christian Larivière, Rubens A. Da Silva, A. Bertrand Arsenault, Sylvie Nadeau, André Plamondon, Roger Vadeboncoeur. Specificity of a Back Muscle Exercise Machine in Healthy and Low Back Pain Subjects. Medicine & Science in Sports & Exercise, 2010; 42 (3): 592 DOI: 10.1249/MSS.0b013e3181b96029

Cite This Page:

University of Montreal. "Exercise therapy for low back pain." ScienceDaily. ScienceDaily, 26 April 2010. <www.sciencedaily.com/releases/2010/04/100419162306.htm>.
University of Montreal. (2010, April 26). Exercise therapy for low back pain. ScienceDaily. Retrieved April 19, 2014 from www.sciencedaily.com/releases/2010/04/100419162306.htm
University of Montreal. "Exercise therapy for low back pain." ScienceDaily. www.sciencedaily.com/releases/2010/04/100419162306.htm (accessed April 19, 2014).

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