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The relative effectiveness of muscle energy technique as opposed to specific passive mobilization in the treatment of acute and sub-acute mechanical low back pain

Journal: Unpublished MSc thesis Durban Institute of Technology, Date: 2005/01, Pages: 90. doi: Subito , type of study: randomized controlled trial

Free full text   (https://openscholar.dut.ac.za/handle/10321/200)

Keywords:

low back pain [413]
MET [449]
muscle energy technique [157]
passive mobilization [1]
randomized controlled trial [710]

Abstract:

It has generally been accepted that 60 to 80% of the general population will suffer from low back pain at some point in their life. (Kirkaldy -Willis, 1992). The use of manipulation for the treatment of low back pain is well documented but lumbar mobilization has undergone comparatively little investigation (Goodsell et al., 2000). Furthermore, there remains little evidence to advocate the use of Muscle Energy Technique (MET) in the form of a randomized clinical trial (Wilson, 2003). The purpose of this study was to determine whether patients with acute and sub-acute low back pain would demonstrate a reduction in disability after being treated with MET or specific passive mobilization. Both interventions are joint mobilization techniques the only difference being that one is passive and the other (MET), is an active technique. Sixty patients aged between 18 and 45 were recruited by means of advertisement and randomly assigned to one of two groups. Both Group A (Specific Passive Mobilization) and Group B (MET) consisted of 30 patients each. This was a quantitative study as patients; on initial visit were assessed subjectively using the 101-point numerical rating scale and Oswestry Pain and Disability Index and objectively using a Digital Inclinometer to assess lumbar range of motion and an Algometer to assess the pain intensity in the lumbar region. Thereafter, they were treated using MET or passive mobilization, depending on which group they were randomly assigned to. Each patient received four treatments over atwo week period with a follow up scheduled one week after treatment ended. Measurements were taken on the first and third visit as well as on the last visit and the outcomes were measured by comparing the initial scores with the follow up scores.All data was analyzed using SPSS version 11.5 statistical software and parametric testing was used. All tests were conducted at the 5% level of significance and p-values were used for decision making. A treatment effect was concluded if p<0.005. Results vindicated that those treated with passive mobilization improved to the same extent as those treated with MET. In the researchers opinion this study has shown that both MET and passive mobilization can be used as safe and effective alternatives in instances where manipulation may be contra-indicated.


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