Müller I, Vogiatzis M, Wiese K, Sönnichsen S, Zantop T, Oehlert K, Petersen W, Hassenpflug J
Klinik für Orthopädie der Christian-Albrechts-Universität zu Kiel.
Sportverletz Sportschaden. 2003 Jun;17(2):80-3. doi: 10.1055/s-2003-40134.
Fractures of the wrist and forearm are the most frequent injuries in Inline-Skating. Clinical experience has shown that these injuries can be prevented the use of wrist protectors. But various authors have shown that fractures can also occur despite the use of wrist protectors. Aim of this study was to examine different wrist protectors in a biomechanical set up.
A standardized trauma was simulated using an artificial hand with a certain weight. The forces with or without protective devices have been recorded by a force moment sensor. The results of different protectors have been compared.
A mean force of 956 N was measured without the use of a protective device. With the application of a wrist protector these forces were reduced between 4 and 20 %. The best values have been reached with models with a strong base plate.
The results of the present study may explain the clinical observation that wrist and forearm fractures can occur despite the use of a wrist guard. The protective effect of a wrist protector depends highly on the model that is used.
手腕和前臂骨折是轮滑运动中最常见的损伤。临床经验表明，使用护腕可以预防这些损伤。但不同作者指出，即便使用了护腕仍可能发生骨折。本研究的目的是在生物力学环境下检测不同的护腕。
使用带有一定重量的仿真手模拟标准化创伤。通过力传感器记录有无防护装置时的受力情况。比较不同护腕的结果。
未使用防护装置时测得的平均力为956牛。使用护腕后，这些力降低了4%至20%。底板坚固的型号效果最佳。
本研究结果或许可以解释临床观察到的现象，即即便使用了护腕，手腕和前臂仍可能发生骨折。护腕的防护效果很大程度上取决于所使用的型号。
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