This study has been developed for the European Beach Volleyball Championship in 2005. The video-recorded analysis was held using Sportcode Pro v.8.5.2 software. The aim of study was to determine the types of serve used, depending on the time of the set in which they occur. Quantitative analysis with a sample of 10 players that make up 5 teams with a total of four meetings with a total of 327 serves analyzed. The serves were classified depending on the period which they occurred, the period being 1 (items 1 to 7), period 2 (from point 8 to 14) and period 3 (point 15 to 21). he statistical analysis was conducted using the statistical software SPSS 19, Chi-square test established significant differences between the different types of serve for period 1 and 2 (p0.05), but no significant differences were established in the period 3 to floating serve and? power jump (p0.05). The results showed a decrease of using a serve with jump power at period 1 (89.7%) compared to the period 3 (27.3%), while the floating and floating serve jump respectively increase at period 1 (6.3% -4%) in the period 3 (23.4% -49.4%).
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机译：这项研究是针对2005年欧洲沙滩排球锦标赛进行的。使用Sportcode Pro v.8.5.2软件进行了视频记录的分析。研究的目的是确定所用服务的类型，具体取决于服务出现的时间。定量分析以10名球员为样本，这些球员组成5支球队，总共进行了4次会议，总共进行了327次发球。这些发球根据它们发生的时间进行分类，时间为1（项目1至7），2（时间8至14）和3（15至21）。使用统计软件SPSS 19进行统计分析，卡方检验确定了第1和第2阶段不同类型的服务之间的显着差异（p <0.05），但第3阶段与浮动服务和第3阶段没有显着差异。 ？功率跳跃（p> 0.05）。结果表明，与第3阶段（27.3％）相比，第1阶段使用具有跳跃力的发球的次数减少了（89.7％），而在第1阶段，浮动和浮动发球的跳跃次数分别增加了（6.3％-4％）。第三阶段（23.4％-49.4％）。
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