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首页> 外文期刊>Journal of athletic training >Sex differences, hormone fluctuations, ankle stability, and dynamic postural control
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Sex differences, hormone fluctuations, ankle stability, and dynamic postural control

机译：性别差异，激素波动，脚踝稳定性和动态姿势控制

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Context: Hormonal fuctuation as a risk factor in anterior cruciate ligament injury has been investigated with conflicting results. However, the influence of hormone fluctuations on ankle laxity and function has not been thoroughly examined. Objective: To examine the potential hormone contributions to ankle laxity and dynamic postural control during the preovulatory and postovulatory phases of the menstrual cycle using an ankle arthrometer and the Star Excursion Balance Test in healthy women. The cohort group consisted of male control participants. Design: Cohort study. Setting: Research laboratory. Patients or Other Participants: Twenty healthy women (age = 23.8 ± 6.50 years, height = 163.88 ± 8.28 cm, mass = 63.08 ± 12.38 kg) and 20 healthy men (age = 23.90 ± 4.15 years, height = 177.07 ± 7.60 cm, mass = 80.57 ± 12.20 kg). Intervention(s): Ankle stability was assessed with anterior-posterior and inversion-eversion loading. Dynamic postural control was assessed with the posteromedial reaching distance of the Star Excursion Balance Test. Main Outcome Measure(s): Female participants used ovulation kits for 3 months to determine the time of ovulation; during their preovulatory and postovulatory phases, they were tested in the laboratory with an ankle arthrometer and the Star Excursion Balance Test. Male participants were tested on similar dates as controls. For each dependent variable, a time by side by sex repeated-measures analysis of variance was performed. Statistical significance was set a priori at P .05. Results: For anterior-posterior laxity, a side main effect was noted (F 1.38 = 10.93, P =.002). For inversion-eversion laxity, a sex main effect was seen (F 1.38 = 10.75, P =.002). For the posteromedial reaching task, a sex main effect was demonstrated (F 1.38 = 8.72, P =.005). No influences of time on the dependent variables were evident. Conclusions: Although women presented with more ankle inversion-eversion laxity and less dynamic postural control, hormonal fluctuations during the menstrual cycle (preovulatory compared with postovulatory) did not affect ankle laxity or dynamic postural control, 2 factors that are associated with ankle instability.
机译：背景：激素功能障碍是前交叉韧带损伤的危险因素，研究结果相互矛盾。但是，激素波动对踝关节松弛和功能的影响尚未得到彻底检查。目的：利用踝关节关节压力计和Star Excursion Balance Test检验健康女性在月经周期的排卵前和排卵后阶段对踝关节松弛和动态姿势控制的潜在激素贡献。队列组由男性对照参与者组成。设计：队列研究。地点：研究实验室。患者或其他参与者：二十名健康女性（年龄= 23.8±6.50岁，身高= 163.88±8.28 cm，质量= 63.08±12.38 kg）和20名健康男性（年龄= 23.90±4.15岁，身高= 177.07±7.60 cm，质量= 80.57±12.20公斤）。干预措施：踝关节稳定性通过前后位和内翻-外翻负荷进行评估。动态姿势控制通过“星际偏移平衡测试”的后内侧到达距离进行评估。主要观察指标：女性参与者使用排卵试剂盒3个月以确定排卵时间。在排卵前和排卵后的阶段，他们在实验室用脚踝关节流量计和Star Excursion Balance Test进行了测试。男性参与者在与对照组相似的日期接受了测试。对于每个因变量，进行了方差分析。统计学显着性设为P <.05。结果：对于前后松弛，注意到有副作用（F 1.38 = 10.93，P = .002）。对于内向性外向松弛，观察到性别主效应（F 1.38 = 10.75，P = .002）。对于后内侧伸入任务，证实了性别主效应（F 1.38 = 8.72，P = .005）。时间对因变量没有影响是显而易见的。结论：尽管女性踝关节内翻-外翻松弛度较高，动态姿势控制较少，但月经周期中的荷尔蒙波动（排卵前与排卵后相比）并不影响踝关节松弛或动态姿势控制，这是与踝关节不稳相关的两个因素。

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