Plyometric-Jump Training Effects on Physical Fitness and Sport-Specific Performance According to Maturity: A Systematic Review with Meta-analysis

Sports Medicine - Open

Table 2 Methodological quality of the included studies using the PEDro rating scale

Study N°	1	2^¶	7	8	9	10	11	Score*	Study quality
Asadi et al. [109]	1	1	0	1	1	1	1	5	Moderate
Davies et al. [110]	1	1	0	1	1	1	1	5	Moderate
Heinonen et al. [111]	1	1	0	1	1	1	1	5	Moderate
Lloyd et al. [112]	1	1	0	1	1	1	1	5	Moderate
Lloyd et al. [113]	1	1	0	1	1	1	1	5	Moderate
Moran et al. [114]	1	1	0	1	1	1	1	5	Moderate
Ramirez-Campillo et al. [115]	1	1	1	1	1	1	1	6	High
Romero et al. [116]	1	1	1	1	1	1	1	6	High
Uzelac-Sciran et al. [117]	1	1	0	1	1	1	1	5	Moderate
Vera-Assaoka et al. [118]	1	1	1	1	1	1	1	6	High
Vilela et al. [119]	1	1	0	1	1	1	1	5	Moderate

A detailed explanation for each PEDro scale item can be accessed at https://www.pedro.org.au/english/downloads/pedro-scale.
^*From a possible maximal score of 10
^¶In the context of this systematic review, a point was awarded when participants were divided according to age/maturity
^§Concealed allocation was precluded, as participants were allocated to groups according to their age/maturity. Therefore, this item was not considered in the final classification of the study quality
^¥Differences were expected due to differences in age/maturity. Therefore, this item was not considered in the final classification of the study quality