This study aimed to assess the effects of jump training on the jumping performance of handball players compared with a control condition. The data sources utilised were PubMed, MEDLINE, Web of Science Core Collection and SCOPUS. Only peer-review randomised controlled trials were included. The inclusion criteria comprised: a jump training programme of at least 2 weeks; a control group; the assessment of the countermovement jump. The Physiotherapy Evidence Database scale was used to assess the risk of bias and methodological quality of eligible studies included in the meta-analysis. Risk of publication bias across studies was assessed using the extended Egger’s test. Cohen’s d effect sizes (ESs) were calculated from the countermovement jump and presented together with 95% confidence intervals (CIs). From 6108 records initially identified through database searching, 5 were eligible for meta-analysis. A significant improvement in countermovement jump height was observed, corresponding to 6.4 cm (95% CI = 4.9–7.9; Z = 8.4, p < 0.001), showing moderate heterogeneity (I2 = 51.4%). The magnitude of the main effect was very large (ES = 2.2 (95% CI = 0.95–3.4), Z = 3.5, p < 0.001). Jump training is effective in increasing vertical jump performance in handball players. However, the insufficient number of studies conducted precluded analyses of moderator variables. In future, researchers are advised to conduct jump training studies of high methodological quality (e.g. randomised controlled trials) and assess different jump exercise prescriptions across handball players of different sexes, ages and competitive levels to analyse if exercise prescription and player characteristics may influence training responses.

中文翻译：

---

弹跳训练对手球运动员弹跳表现的影响：随机对照试验荟萃分析的系统评价

本研究旨在评估与对照条件相比，跳跃训练对手球运动员跳跃表现的影响。使用的数据源是 PubMed、MEDLINE、Web of Science Core Collection 和 SCOPUS。仅包括同行评审随机对照试验。纳入标准包括：至少 2 周的跳跃训练计划；对照组；反跳的评估。物理治疗证据数据库量表用于评估纳入荟萃分析的合格研究的偏倚风险和方法学质量。使用扩展的 Egger 检验评估研究之间发表偏倚的风险。Cohen 的 d 效应大小 (ES) 是根据反向运动跳跃计算的，并与 95% 置信区间 (CI) 一起呈现。从最初通过数据库搜索确定的 6108 条记录中，有 5 条符合荟萃分析的条件。观察到反向跳跃高度的显着改善，对应于 6.4 厘米（95% CI = 4.9-7.9；Z = 8.4，p < 0.001），显示出中等异质性（I2 = 51.4%）。主效应的幅度非常大（ES = 2.2（95% CI = 0.95–3.4），Z = 3.5，p < 0.001）。跳跃训练可有效提高手球运动员的垂直跳跃表现。然而，进行的研究数量不足，妨碍了对调节变量的分析。未来，建议研究人员进行高方法学质量的跳跃训练研究（例如随机对照试验），并评估不同性别手球运动员的不同跳跃运动处方，