![[Figure 1]](http://onlinelibrary.wiley.com/store/mrw_content/cochrane/clsysrev/articles/CD006555/image_t/tCD006555-AFig-FIG01.png?v=1&t=h2ulnerv&s=073df1a5464b7006f3012e762bddd78d71a2d8e5) | Figure 1. Flowchart for inclusion/exclusion of studies |
![[Figure 2]](http://onlinelibrary.wiley.com/store/mrw_content/cochrane/clsysrev/articles/CD006555/image_t/tCD006555-AFig-FIG02.png?v=1&t=h2ulnerx&s=27813572f884aee27be5c2cc635a47cc13368cdc) | Figure 2. Review authors' judgements for each risk of bias item for each study. |
![[Analysis 1.1]](/images/14651858/forrest_default.gif) | Analysis 1.1. Comparison 1 Post-treatment Exercise vs No Intervention, Outcome 1 Number of subjects with recurrent LBP. |
![[Analysis 1.2]](/images/14651858/forrest_default.gif) | Analysis 1.2. Comparison 1 Post-treatment Exercise vs No Intervention, Outcome 2 Time to LBP recurrence. |
![[Analysis 1.3]](/images/14651858/forrest_default.gif) | Analysis 1.3. Comparison 1 Post-treatment Exercise vs No Intervention, Outcome 3 Number of recurrences of LBP. |
![[Analysis 1.4]](/images/14651858/forrest_default.gif) | Analysis 1.4. Comparison 1 Post-treatment Exercise vs No Intervention, Outcome 4 Number of subjects with sick leave due to recurrent LBP. |
![[Analysis 1.5]](/images/14651858/forrest_default.gif) | Analysis 1.5. Comparison 1 Post-treatment Exercise vs No Intervention, Outcome 5 Days of sick leave due to recurrent LBP. |
![[Analysis 2.1]](/images/14651858/forrest_default.gif) | Analysis 2.1. Comparison 2 Post treatment Exercise plus Terapimaster machine vs General exercise, Outcome 1 Number of sick leave days due to recurrent LBP. |
![[Analysis 3.1]](/images/14651858/forrest_default.gif) | Analysis 3.1. Comparison 3 Exercise Treatment vs Usual care, Outcome 1 Number of subjects with recurrent LBP. |
![[Analysis 3.2]](/images/14651858/forrest_default.gif) | Analysis 3.2. Comparison 3 Exercise Treatment vs Usual care, Outcome 2 Duration of recurrent LBP. |
![[Analysis 3.3]](/images/14651858/forrest_default.gif) | Analysis 3.3. Comparison 3 Exercise Treatment vs Usual care, Outcome 3 Number of recurrences of LBP. |
![[Analysis 3.4]](/images/14651858/forrest_default.gif) | Analysis 3.4. Comparison 3 Exercise Treatment vs Usual care, Outcome 4 Number of subjects with sick leave due to recurrent LBP. |
![[Analysis 4.1]](/images/14651858/forrest_default.gif) | Analysis 4.1. Comparison 4 Exercise Treatement vs Sham Ultrasound, Outcome 1 Number of subjects with recurrent LBP (follow-up 1/2 to 2 years). |
![[Analysis 4.2]](/images/14651858/forrest_default.gif) | Analysis 4.2. Comparison 4 Exercise Treatement vs Sham Ultrasound, Outcome 2 Duration of recurrent LBP. |
![[Analysis 5.1]](/images/14651858/forrest_default.gif) | Analysis 5.1. Comparison 5 Specific McKenzie Exercise Treatment vs Minimal booklet/back school, Outcome 1 Number of subjects with recurrent LBP. |
![[Analysis 5.2]](/images/14651858/forrest_default.gif) | Analysis 5.2. Comparison 5 Specific McKenzie Exercise Treatment vs Minimal booklet/back school, Outcome 2 Number of sick leaves caused by recurrent LBP. |