Table 4 Downs & Black Quality Index Scores for included studies
| Â | Reporting | External Validity | Internal Validity-Bias | Internal Validity-Confounding | Â | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
no = 0, yes = 1 | Q1 | Q2 | Q3 | Q5 | Q6 | Q7 | Q10 | Q11 | Q15 | Q16 | Q18 | Q20 | Q21 | Q27 | Total |
Injury outcome | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Bagherifard(2018) [1] | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 8 |
Budinski(2016) [11] | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 8 |
Bedi(2016) [3] | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 9 |
Daneshmandi(2012) [12] | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 10 |
Gomes(2008) [16] | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 8 |
Hertel(2004) [17] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 12 |
Kramer(2007) [28] | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 9 |
Lopes(2016) [31] | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 9 |
Lopes(2017) [32] | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 8 |
Tainaka(2014) [48] | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 11 |
VandenBerg(2017) [49] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 13 |
Biomechanic outcome | |||||||||||||||
Bell(2008) [4] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | NA | 1 | 1 | 1 | NA | 1 | 12 |
Bittencourt(2012) [6] | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | NA | 1 | 1 | 1 | NA | 0 | 10 |
Breen(2010) [9] | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | NA | 1 | 0 | 0 | NA | 1 | 8 |
Hogg(2019) [20] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | NA | 1 | 1 | 1 | NA | 0 | 11 |
Hogg (2021)[19] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | NA | 1 | 1 | 1 | NA | 1 | 12 |
Howard(2011) [21] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | NA | 1 | 1 | 1 | NA | 1 | 12 |
Kaneko(2013) [26] | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | NA | 1 | 0 | 0 | NA | 0 | 8 |
Mauntel(2013) [35] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | NA | 1 | 1 | 1 | NA | 1 | 12 |
Nguyen(2015) [40] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | NA | 1 | 1 | 1 | NA | 0 | 11 |
Nguyen(2011) [38] | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | NA | 1 | 1 | 1 | NA | 0 | 10 |
Rabin(2010) [44] | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | NA | 1 | 1 | 1 | NA | 0 | 10 |
Stiffler(2015) [47] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | NA | 1 | 1 | 0 | NA | 0 | 10 |