Relationship Between Hip Abductor Strength and Ankle Stability
试验速览
- 阶段
- 不适用
- 入组人数
- 26
- 试验地点
- 1
- 主要终点
- Surface Electromyography intensity change
研究概览
简要总结
Ankle sprains are one of the most common injuries in sports. The analysis of risk factors is a priority in order to guide rehabilitation and prevention programs. Among risk factors identified in the literature, weakness of the hip abductor muscles represent a factor favoring recurrent ankle sprains. However, only few studies have investigate the link between the strength of the hip abductor muscles and the deficits in stabilization of the ankle joint. Furthermore, these few studies analysed landing task or undisturbed balance task. It would be interesting to further understand the impact and role of hip abductor muscles on ankle stability during specific ankle-destabilizing task.
The main objective of this study is to establish a link between the strength of the hip abductor muscles and the dynamic postural control performance measured by the modified Star Excursion Balance Test (SEBTm). Secondly, it will be necessary to study the kinematic and neuromuscular control characteristics of the ankle during 4 functional tests:
- SEBTm
- Static unipodal balance
- Weight-bearing inversion test
- Weight-bearing eversion test
These tests will be realized with an ankle destabilizing device. The device is a sandal equipped of an articulator under the rear foot which allow movements in inversion and eversion. Furthermore, tests are realized two times, before and immediatly after a fatiguing exercise. The fatiguing exercise consists to implemented local fatigue on hip abductor muscles by repeating abductions.
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Prevention
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 35 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Males and females between 18 and 35 years old
- •Subject's non-opposition to participate in the study
- •Practicing regular physical activity (> 2 hours per week)
- •No contraindication to carrying out the protocol
- •Affiliation to a French social security scheme or beneficiary of such a scheme
排除标准
- •Males or females under 18 or over 35 years
- •History of lower limb injuries in the 6 months preceding the protocol
- •Diagnosis of chronic ankle instability
- •Subject unlikely to cooperate with the study and / or weak cooperation anticipated by the investigator
- •Subject's opposition to participating in the study
- •Subject without health insurance
- •Pregnant woman
结局指标
主要结局
Surface Electromyography intensity change
时间窗: 5 minutes after physical exercise
Measure of muscles activity if peroneus longus and brevis, tibialis anterior, gluteus medius and gastrocnemuis lateralis using wireless and surface electrodes fixed with strap on the skin of subjects
Frontal inclination of ankle change
时间窗: 5 minutes after physical exercise
Measure of accelerations of ankle joint during tests using inertial measurement unit
SEBT performances change
时间窗: 5 minutes after physical exercise
Performances (distance in cm) attempted in each direction of the dynamic postural test
Hip abductor strength change
时间窗: 5 minutes after physical exercise
Measure of maximal isometric strength with a S-shape force transducer
Angular velocity of ankle change
时间窗: 5 minutes after physical exercise
Measure of angular velocity of ankle joint during tests using inertial measurement unit
次要结局
未报告次要终点