Table 9.
Summary conclusions and level of certainty from studies examining associations between physical fitness components and lower body injury in female, team ball sport players
| Physical fitness components | Relationships assessed from each study | Summary conclusion | Level of certainty | ||
|---|---|---|---|---|---|
| # relationships demonstrating significant association with injury | # relationships demonstrating no significant association with injury | n/N relationship outcome (%) | Practical interpretation | High, moderate, low, insufficient | |
| Univariate analyses | |||||
| Balance measures | 1 [80], 9 [87] | 4 [98], 3 [87], 3 [80], 1 [75] | 10/21 (48%) | Inconsistent association | Moderate |
| Body composition measures | 1 [98], 2 [75] | 1 [75], 2 [74], 3 [99], 4 [98], 6 [79] | 3/19 (16%) | No association | Moderate |
| Cardiovascular fitness measures | 1 [74] | 0 | 1/1 (100%) | Unknown | Insufficient |
| Flexibility measures | 3 [80] | 1 [98], 1 [75], 1 [77], 5 [80] | 3/11 (27%) | No association | Moderate |
| Muscular strength measures | 1 [83], 2 [80] | 2 [79], 2 [80], 4 [75], 5 [83], 7 [77] | 3/23 (13%) | No association | Moderate |
| Power measures | 1 [83], 4 [98] | 2 [83], 4 [94] | 5/11 (45%) | Inconsistent association | Moderate |
| Multivariate analyses | |||||
| Balance measures | 1 [80], 1 [87] | 8 [87] | 2/10 (20%) | No association | Moderate |
| Body composition measures | 1 [75], 1 [98] | 2 [79], 2 [74] | 2/6 (33%) | No association | Moderate |
| Cardiovascular fitness measures | 1 [74] | 0 | 1/1 (100%) | Unknown | Insufficient |
| Flexibility measures | 0 | 6 [63] | 0/6 (0%) | No association | Insufficient |
| Muscular strength measures | 1 [80], 1 [83] | 1 [79], 5 [83] | 2/8 (25%) | No association | Moderate |
| Power measures | 1 [83], 1 [98] | 2 [83], 3 [98] | 2/7 (29%) | No association | Moderate |
Coding: n/N = number of significant associated relationships divided by total number of relationships investigated. The number of relationships is reported with the study reference number in brackets
Data removed from univariate analyses’ data synthesis due to poor methodological quality and/or high risk of bias included the following: muscular strength measures (6 relationships [92]), flexibility measures (4 relationships [91]), balance measures (10 relationships [91]), coordination measures (1 relationship [71], 9 relationships [91]), and power measures (2 relationships [91]). Data removed from multivariate analyses’ data synthesis due to poor methodological quality and/or high risk of bias included the following: body composition measures (2 relationships [71]), balance measures (1 relationship [71]), coordination measures (6 relationships [71]), and flexibility measures (2 relationships [71])