Supplementary Table S22. CINeMA confidence evidence profile for the network meta-analysis of the 30 m sprint performance. Comparison Number of studies Within- study bias Reporting bias Indirectness Imprecision Heterogeneity Incoherence Confidence rating Endurance Training:Speed Training 1 Some concerns Some concerns No concerns Major concerns No concerns No concerns Very Low Flexibility Training:Regular Training 1 No concerns Some concerns No concerns Major concerns No concerns No concerns Low Flexibility Training:Traditional Strength Training 1 No concerns Some concerns No concerns Major concerns No concerns No concerns Low Plyometric Jump Training:Regular Training 2 No concerns Some concerns No concerns Major concerns No concerns No concerns Low Plyometric Jump Training:Speed Training 2 No concerns Some concerns No concerns Major concerns No concerns No concerns Very Low Regular Training:Speed Training 1 Some concerns Some concerns No concerns No concerns Major concerns No concerns Very Low Regular Training:Traditional Strength Training 4 No concerns Some concerns No concerns No concerns Major concerns No concerns Very Low Speed Training:Traditional Strength Training 1 Some concerns Some concerns No concerns Major concerns No concerns No concerns Very Low Endurance Training:Flexibility Training 0 Some concerns Some concerns No concerns Major concerns No concerns No concerns Very Low Endurance Training:Plyometric Jump Training 0 Some concerns Some concerns No concerns Major concerns No concerns No concerns Very Low Endurance Training:Regular Training 0 Some concerns Some concerns No concerns Major concerns No concerns No concerns Very Low Endurance Training:Traditional Strength Training 0 Some concerns Some concerns No concerns Major concerns No concerns No concerns Very Low Flexibility Training:Plyometric Jump Training 0 No concerns Some concerns No concerns Major concerns No concerns No concerns Very Low Flexibility Training:Speed Training 0 No concerns Some concerns No concerns Major concerns No concerns No concerns Very Low Plyometric Jump Training: Traditional Strength Training 0 No concerns Some concerns No concerns Major concerns No concerns No concerns Very Low