Appendix A. The detailed search process.
SPORTDisscus: S1 TI (“plyometric" or "plyometrics" or "plyometric training" or "plyometric exercise" or "jump training" or "countermovement jump" or "cmj" or "jump squat" or "drop jump" or "depth jump”) OR AB (“plyometric" or "plyometrics" or "plyometric training" or "plyometric exercise" or "jump training" or "countermovement jump" or "cmj" or "jump squat" or "drop jump" or "depth jump”)
S2 TI (“child" or "children" or "youth" or "youths" or "kid" or "kids" or "preadolescence" or "preadolescent" or "prepuberty" or "prepubertal”) OR AB (“child" or "children" or "youth" or "youths" or "kid" or "kids" or "preadolescence" or "preadolescent" or "prepuberty" or "prepubertal”)
S1 AND S2
Web of Science: (TS= ("child" or "children" or "youth" or "youths" or "kid" or "kids" or "preadolescence" or "preadolescent" or "prepuberty" or "prepubertal")) AND TS= (“plyometric" or "plyometrics" or "plyometric training" or "plyometric exercise" or "jump training" or "countermovement jump" or "cmj" or "jump squat" or "drop jump" or "depth jump")
PubMed: #1"plyometric"[Title/Abstract] OR "plyometrics"[Title/Abstract] OR "plyometric training"[Title/Abstract] OR "plyometric exercise"[Title/Abstract] OR "jump training"[Title/Abstract] OR "countermovement jump"[Title/Abstract] OR "cmj"[Title/Abstract] OR "jump squat"[Title/Abstract] OR "drop jump"[Title/Abstract] OR "depth jump"[Title/Abstract]
#2"child"[Title/Abstract] OR "children"[Title/Abstract] OR "youth"[Title/Abstract] OR "youths"[Title/Abstract] OR "kid"[Title/Abstract] OR "kids"[Title/Abstract] OR "preadolescence"[Title/Abstract] OR "preadolescent"[Title/Abstract] OR "prepuberty"[Title/Abstract] OR "prepubertal"[Title/Abstract]
#1AND#2