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Rivista di Medicina, Traumatologia e Psicologia dello Sport


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The Journal of Sports Medicine and Physical Fitness 2015 January-February;55(1-2):16-24

Copyright © 2015 EDIZIONI MINERVA MEDICA

lingua: Inglese

Influence of shoes and foot orthoses on lower extremity muscle activation onset times in healthy subjects during the transition from double-leg stance to single-leg stance

Dingenen B. 1, Peeraer L. 1, 2, Deschamps K. 1, 3, Fieuws S. 4, Janssens L. 1, 5, Staes F. 1

1 Research Center for Musculoskeletal Rehabilitation, Department of Rehabilitation Sciences, Faculty of Kinesiology and Rehabilitation Sciences, KU Leuven, Leuven, Belgium; 2 Thomas More Kempen University College, Mobilab, Geel, Belgium; 3 Division of Musculoskeletal Disorders, University Hospitals Leuven, KU Leuven, Leuven, Belgium; 4 Interuniversity Institute for Biostatistics and Statistical Bioinformatics, KU Leuven, Leuven, Belgium; 5 Group T International University College Leuven, Leuven, Belgium


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AIM: The aim of this study was to evaluate the influence of shoes and foot orthoses on lower extremity muscle activation patterns in healthy subjects during the transition from double-leg stance to single-leg stance.
METHODS: Eight male and seven female young asymptomatic adults who wear foot orthoses were recruited. Muscle activation onset times of 9 lower extremity muscles were recorded using surface electromyography during the transition from double-leg stance to single-leg stance, performed with eyes open and with eyes closed. This was tested in 4 experimental conditions: 1) barefoot (BF); 2) shoes only (SO); 3) shoes with standardized FO (SSFO); and 4) shoes with customized FO (SCFO).
RESULTS: Based on a four-way (condition-region-leg-vision) linear model for repeated measures, we found a significant condition effect (P=0.025). Differences between conditions did not depend on the leg and/or the vision condition, but on the region (ankle-knee-hip). Based on a two-way (condition-muscle) linear model within each region, only significant differences between conditions for peroneus longus (P=0.003) were found. The onset times of peroneus longus were significantly earlier in SO (P=0.029) and SCFO (P=0.001) compared to BF.
CONCLUSION: These results indicate that SO and SCFO can accelerate peroneus longus muscle activation onset times during the transition from double-leg stance to single-leg stance. Further research is required to determine how these adaptations may develop over time.

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Dingenen , Peeraer L, Deschamps K, Fieuws S, Janssens L, Staes F. Influence of shoes and foot orthoses on lower extremity muscle activation onset times in healthy subjects during the transition from double-leg stance to single-leg stance. J Sports Med Phys Fitness 2015 January-February;55(1-2):16-24. 

Corresponding author e-mail

bart.dingenen@faber.kuleuven.be