做好应对冲击的准备：使用靴外护具减少军事伞兵的脚踝扭伤
Braced for impact: reducing military paratroopers' ankle sprains using outside-the-boot braces.
作者信息
Amoroso P J, Ryan J B, Bickley B, Leitschuh P, Taylor D C, Jones B H
机构信息
U.S. Army Research Institute of Environmental Medicine, Natick, Massachusetts 01760-5007, USA.
出版信息
J Trauma. 1998 Sep;45(3):575-80. doi: 10.1097/00005373-199809000-00028.
BACKGROUND
Ankle injuries account for 30 to 60% of all parachuting injuries. This study was designed to determine if outside-the-boot ankle braces could reduce ankle sprains during Army paratrooper training.
METHODS
The randomized trial involved 777 volunteers from the U.S. Army Airborne School, Fort Benning, Ga. Of this group, 745 completed all study requirements (369 brace-wearers and 376 non-brace-wearers). Each volunteer made five parachute jumps, for a total of 3,674 jumps.
RESULTS
The incidence of inversion ankle sprains was 1.9% in non-brace-wearers and 0.3% in brace-wearers (risk ratio, 6.9; p = 0.04). Other injuries appeared unaffected by the brace. Overall, 5.3% of the non-brace group and 4.6% of the brace group experienced at least one injury. The risk ratio for injured individuals was 1.2:1 (non-brace to brace groups; p = 0.65).
CONCLUSION
Inversion ankle sprains during parachute training can be significantly reduced by using an outside-the-boot ankle brace, with no increase in risk for other injuries.
背景
脚踝损伤占所有跳伞损伤的30%至60%。本研究旨在确定靴外踝部护具能否在陆军伞兵训练期间减少踝关节扭伤。
方法
这项随机试验涉及来自佐治亚州本宁堡美国陆军空降学校的777名志愿者。该组中，745人完成了所有研究要求（369名佩戴护具者和376名未佩戴护具者）。每位志愿者进行了五次跳伞，共3674次跳伞。
结果
未佩戴护具者的内翻型踝关节扭伤发生率为1.9%，佩戴护具者为0.3%（风险比为6.9；p = 0.04）。其他损伤似乎不受护具影响。总体而言，未佩戴护具组的5.3%和佩戴护具组的4.6%至少经历了一次损伤。受伤个体的风险比为1.2:1（未佩戴护具组与佩戴护具组；p = 0.65）。
结论
通过使用靴外踝部护具可显著降低跳伞训练期间内翻型踝关节扭伤的发生率，且不会增加其他损伤的风险。
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