Effects of feedback on activation of the quadriceps during weight-bearing tasks of the Wii

被引:3
作者
da Silva, Fabiano Fernandes [1 ,2 ]
de Souza, Renato Aparecido [1 ,2 ]
Dias, Eric Fernandes [2 ]
Silveira, Landulfo, Jr. [1 ]
Villaverde, Antonio Balbin [1 ]
机构
[1] Camilo Castelo Branco Univ UNICASTELO, Inst Biomed Engn, Sao Paulo, SP, Brazil
[2] Sci & Technol South Minas Gerais IFSULDEMINAS, Fed Inst Educ, Grp Studies & Res Hlth Sci GEP CS, BR-37890000 Muzambinho, MG, Brazil
关键词
Electromyography; Functional exercises; Exergames; PATELLOFEMORAL PAIN SYNDROME; NINTENDO WII; EXERCISE; REHABILITATION;
D O I
10.1589/jpts.27.1701
中图分类号
R49 [康复医学];
学科分类号
100215 ;
摘要
[Purpose] This investigation evaluated the effect of real-time feedback on electrical activation of the quadriceps during 3 weight-bearing tasks of the Wii Fit Plus (R). [Subjects] Thirty male healthy volunteers were recruited. [Methods] Activation of the vastus medialis, vastus lateralis, and rectus femoris muscles was recorded during virtual lunge, single leg extension, and single leg reach exercises. Each exercise was performed twice in 3 randomized experimental conditions (with visual feedback, with auditory feedback, and with no feedback). The normalized electromyographic data (using maximum voluntary isometric contraction) were analyzed using repeated measures analysis of variance and Tukey's test. [Results] No significant difference was found in the muscles among the feedback conditions during the 3 exercises. However, the variation in the muscle activity of the vastus medialis and vastus lateralis (18.23-29.20% of maximum voluntary isometric contraction) was higher (47-62%) than that in the rectus femoris (7.35-12.98% of maximum voluntary isometric contraction). [Conclusion] Real-time feedback did not alter quadriceps activation during the Wii tasks. Additionally, these games showed electromyographic activation levels similar to those for the same tasks outside the virtual environment. The Wii weight-bearing tasks could therefore constitute a physical activity program but without the additional benefit of feedback.
引用
收藏
页码:1701 / 1704
页数:4
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