. 2015 Jan 9;49(9):583–589. doi: 10.1136/bjsports-2014-094104

Table 4.

The quality score and scientific level of evidence for articles investigating muscle imbalance as a risk factor for injury in professional footballers

Study name	Study design	Participant details	Playing level	Main finding	Quality score (%)	Level of evidence
Fousekis et al*¹²	Prospective cohort	100 players from 4 teams	Greek 3rd Division	Supports muscle imbalance as an injury risk factor and ankle injury	87	2++
Fousekis et al*⁸	Prospective cohort	100 players from 4 teams	Greek 3rd Division	Supports muscle imbalance and hamstring injury	80	2++
Croisier et al*¹³	Prospective cohort	462 players (n of teams not specified)	Brazilian, Belgian and French leagues (Specific level not specified)	Supports muscle imbalance and hamstring injury	87	2++
Dauty et al*¹⁴	Prospective and Retrospective cohort	28 players (n of teams not specified)	French League 1	Does not support muscle imbalance and hamstring injury	100	2++

*Articles used in more than 1 section.