Hubbard-Turner Tricia, Turner Michael J
Department of Kinesiology, University of North Carolina at Charlotte.
J Athl Train. 2015 Jul;50(7):742-7. doi: 10.4085/1062-6050-50.3.05. Epub 2015 Apr 21.
Ankle sprains are the most common orthopaedic pathologic condition, and more concerning is the high percentage of persons who develop chronic ankle instability (CAI). Researchers have reported that patients with CAI are restricted occupationally, have more functional limitations, and have a poorer health-related quality of life. We do not know if these limitations decrease physical activity levels.
To assess total weekly steps taken between persons with CAI and persons with healthy ankles.
Case-control study.
University research laboratory.
A total of 20 participants with unilateral CAI (9 men, 11 women; age = 21.2 ± 1.9 years, height = 174.3 ± 6.9 cm, mass = 71.9 ± 11.7 kg) and 20 healthy participants (9 men, 11 women; age = 20.4 ± 2.1 years, height = 172.1 ± 5.5 cm, mass = 73.1 ± 13.4 kg) volunteered.
MAIN OUTCOME MEASURE(S): We provided all participants with a pedometer and instructed them to wear it every day for 7 days and to complete a daily step log. They also completed the Foot and Ankle Ability Measure (FAAM), the FAAM Sport version, and the International Physical Activity Questionnaire. A 2-way analysis of variance (group × sex) was used to determine if differences existed in the total number of weekly steps, ankle laxity, and answers on the International Physical Activity Questionnaire between groups and between sexes.
We found no group × sex interaction for step count (F range = 0.439-2.108, P = .08). A main effect for group was observed (F(1,38) = 10.45, P = .04). The CAI group took fewer steps than the healthy group (P = .04). The average daily step count was 6694.47 ± 1603.35 for the CAI group and 8831.01 ± 1290.01 for the healthy group. The CAI group also scored lower on the FAAM (P = .01) and the FAAM Sport version (P = .01).
The decreased step count that the participants with CAI demonstrated is concerning. This decreased physical activity may be secondary to the functional limitations reported. If this decrease in physical activity level continues for an extended period, CAI may potentially be a substantial health risk if not treated appropriately.
踝关节扭伤是最常见的骨科病理状况，更令人担忧的是慢性踝关节不稳（CAI）患者的比例很高。研究人员报告称，CAI患者在职业上受到限制，功能受限更多，且与健康相关的生活质量较差。我们不知道这些限制是否会降低身体活动水平。
评估CAI患者与踝关节健康者每周的总步数。
病例对照研究。
大学研究实验室。
共有20名单侧CAI患者（9名男性，11名女性；年龄=21.2±1.9岁，身高=174.3±6.9厘米，体重=71.9±11.7千克）和20名健康参与者（9名男性，11名女性；年龄=20.4±2.1岁，身高=172.1±5.5厘米，体重=73.1±13.4千克）自愿参与。
我们为所有参与者提供了一个计步器，并指示他们每天佩戴7天，并完成每日步数记录。他们还完成了足踝能力测量量表（FAAM）、FAAM运动版和国际身体活动问卷。采用双向方差分析（组×性别）来确定两组之间以及两性之间在每周总步数、踝关节松弛度和国际身体活动问卷答案方面是否存在差异。
我们发现步数的组×性别交互作用不显著（F范围=0.439 - 2.108，P = 0.08）。观察到组的主效应（F(1,38)=10.45，P = 0.04）。CAI组的步数少于健康组（P = 0.04）。CAI组的平均每日步数为6694.47±1603.35步，健康组为8831.01±1290.01步。CAI组在FAAM（P = 0.01）和FAAM运动版（P = 0.01）上的得分也较低。
CAI患者表现出的步数减少令人担忧。这种身体活动的减少可能是所报告的功能受限的继发结果。如果这种身体活动水平的下降持续较长时间，若不进行适当治疗，CAI可能会成为一个重大的健康风险。
