Effects of elastic ankle support on running ankle kinematics in individuals with chronic ankle instability and healthy controls

被引:12
作者
Stotz, Andreas [1 ]
John, Cornelius [1 ]
Gmachowski, Julian [1 ]
Rahlf, Anna Lina [1 ]
Hamacher, Daniel [2 ]
Hollander, Karsten [3 ,4 ]
Zech, Astrid [1 ]
机构
[1] Friedrich Schiller Univ Jena, Inst Sport Sci, Dept Human Movement Sci & Exercise Physiol, Seidelstr 20, D-07749 Jena, Germany
[2] Friedrich Schiller Univ Jena, Inst Sport Sci, Methods & Stat Sports, Seidelstr 20, D-07749 Jena, Germany
[3] MSH Med Sch Hamburg, Inst Interdisciplinary Exercise Sci & Sports Med, Kaiserkai 1, D-20457 Hamburg, Germany
[4] Harvard Med Sch, Spaulding Natl Running Ctr, Dept Phys Med & Rehabil, 1575 Cambridge St, Cambridge, MA 02138 USA
关键词
Injuries; Ankle brace; Orthesis; Prevention; Ankle sprain; INJURY PREVENTION; GAIT KINEMATICS; MOTION; TREADMILL; FOOT; PREVALENCE; STATEMENT; VALIDITY; AGILITY; BRACES;
D O I
10.1016/j.gaitpost.2021.04.037
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Background: Individuals with chronic ankle instability (CAI) have an increased risk for recurrent injuries. The preventive effects of external ankle supports are not fully understood. This study aimed to examine the effect of elastic ankle support on running ankle kinematics. Methods: 3D running gait analysis of individuals with and without CAI was conducted at three-minute-running trials at 2.78 m/s with and without elastic ankle support in a randomised order. Ankle kinematics and intraindividual standard deviations (variability) were calculated at each percent of the running gait cycle. Group and ankle support effects were calculated using statistical parameter mapping. Results: Twenty-seven individuals were analysed (CAI: n = 14, controls: n = 13). When wearing ankle support, CAI individuals showed significantly decreased plantarflexion angles at 43-47 % (p = 0.033) and 49-51 % (p = 0.043) of the running gait cycle compared to normal running. In healthy controls, no differences in ankle angles between both conditions were found. Comparisons between CAI individuals and healthy controls showed statistically significant differences in the plantar-/dorsiflexion angles at 38-41 % (p = 0.044) with ankle support and at 34-46 % (p = 0.004) without ankle support. Significant ankle angle variability differences were found for ankle in-/eversion between CAI individuals and healthy controls (p = 0.041) at 32-33 % of the running gait cycle. Conclusions: Elastic ankle support reduces the range of sagittal plane running ankle kinematics of CAI individuals but not of healthy controls. Further research is needed to evaluate the association between ankle support effects and the risk for recurrent ankle sprains.
引用
收藏
页码:149 / 155
页数:7
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