Is back pain during childhood or adolescence associated with muscle strength, muscle endurance or aerobic capacity: three systematic literature reviews with one meta-analysis

Table 2 Methodological checklist objective 2

Ref numb.	Name of first author/year	Study sample	Data collection	Studied factors: TME	Back pain	Score and %
[28]	Andersen 2006	Y-Y	Y	Y-N-N	Y-Y-Y	7/ 78 %
[29]	Bernard 2007	Y-N	Y	Y-N-N	Y-Y-NA	5/8 63 %
[30]	Perry 2009	Y-N	Y	Y-Y-Y	Y-Y-Y	8/9 89 %
[31]	Johnson 2009	Y-N	Y	Y-Y-N	Y-Y-Y	7/9 78 %

ISSN: 2045-709X