Institute for Biomedical Engineering, University and ETH Zürich, Gloriastrasse 35, Zürich 8092, Switzerland.
Br J Sports Med. 2010 Sep;44(11):822-6. doi: 10.1136/bjsm.2010.072728. Epub 2010 Jul 20.
Back protectors for snowboarders were analysed with respect to their potential to prevent spinal injury.
In 20 Swiss skiing resorts, athletes were interviewed on the slope. In addition, an online survey was conducted. The performance of 12 commercially available back protectors was investigated by means of mechanical testing. A currently used drop test according to standard EN1621 (motorcycle protectors), testing energy damping was supplemented by penetration tests according to standard EN1077, which reflects snowsport safety concerns.
6 out of 12 back protectors fulfilled the higher safety level defined in EN1621. Protectors making use of energy-absorbing layers performed particularly well. In contrast, hard shell protectors exhibited a higher potential to withstand the penetration test. The surveys confirmed that approximately 40-50% of snowboarders use a back protector. A large majority of users expect protection from severe spinal injury such as vertebral fractures or spinal cord injury.
The currently used test standards are fulfilled by many back protectors. Users, however, expect protectors to be efficient in impact scenarios that result in spinal injury, which are more severe than impacts as addressed in the current standards. This study highlights that there is a mismatch between the capabilities of current back protectors to prevent spinal injury in snowboarding and the expectations users have of these protectors.
分析单板滑雪者的背部保护器,以评估其预防脊柱损伤的潜力。
在 20 个瑞士滑雪胜地,对运动员进行了实地采访。此外,还进行了在线调查。通过机械测试研究了 12 种市售的背部保护器的性能。目前根据标准 EN1621(摩托车保护器)进行的跌落测试用于测试能量阻尼,根据标准 EN1077 进行的穿透测试补充了该测试,该标准反映了雪上运动安全方面的考虑。
12 个背部保护器中有 6 个符合 EN1621 中定义的更高安全等级。使用吸能层的保护器表现尤为出色。相比之下,硬壳保护器在穿透测试中表现出更高的耐穿透性。调查证实,大约 40-50%的单板滑雪者使用背部保护器。大多数使用者希望能防止严重的脊柱损伤,如椎体骨折或脊髓损伤。
许多背部保护器符合现行的测试标准。然而,使用者期望保护器在导致脊柱损伤的冲击场景中发挥作用,而这些场景比现行标准所涉及的冲击更为严重。本研究强调了当前背部保护器在预防单板滑雪中脊柱损伤方面的能力与使用者对这些保护器的期望之间存在不匹配。