University Oviedo, Spain.
Ergonomics. 2010 Sep;53(9):1140-50. doi: 10.1080/00140139.2010.502255.
The objective of this study was to examine the physiological response of 14 lifeguards in a swimming pool simulation with 1.7 m waves and to study the efficiency of the torpedo buoy. The rescue time was determined with and without material, as were lactate levels, heart rate and VO(2max). The results obtained showed a VO(2 max) rate of 3.4 +/- 0.8 l/min without equipment and 3.3 +/- 0.8 l/min with equipment. Moreover, the time taken to swim towards the victim without equipment decreased by 7.7 s, while towing time was reduced by 10.8 s if said equipment was used. These results show that aquatic rescue makes considerable physiological demands on the swimmer and they also provide important data on the type of training and aptitude levels required by individuals wishing to join these rescue groups. The equipment currently used has a negative affect on the swim. STATEMENT OF RELEVANCE: The study shows that beach rescues make very high physiological demands on rescuers, thus underlining the need to perform entry tests for these highly demanding rescue teams. The auxiliary equipment is a help in the return time of rescue. However, it causes delays in the approach to the victim.
本研究旨在观察 14 名救生员在 1.7 米高海浪泳池模拟中的生理反应，并研究鱼雷浮标（一种救援设备）的效率。通过有无救生设备两种情况来测量救援时间、乳酸水平、心率和最大摄氧量（VO2max）。结果表明，无设备时的 VO2max 率为 3.4 +/- 0.8 l/min，有设备时为 3.3 +/- 0.8 l/min。此外，如果使用该设备，游泳到受害者的时间减少了 7.7 秒，而拖带时间减少了 10.8 秒。这些结果表明，水上救援对游泳者有很高的生理要求，同时也为希望加入这些救援小组的个人提供了有关所需训练类型和体能水平的重要数据。目前使用的设备对游泳有负面影响。相关性声明：该研究表明，海滩救援对救援人员有很高的生理要求，因此需要对这些高要求的救援队伍进行入职测试。辅助设备有助于缩短救援的返回时间。然而，它会导致接近受害者的时间延迟。
