Electromyographic Evaluation of the Impacts of Different Insoles in the Activity Patterns of the Lower Limb Muscles during Sport Motorcycling: A Cross-Over Trial

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Casado Hernández, Israel and Becerro de Bengoa Vallejo, Ricardo and Losa-Iglesias, Marta Elena and López-López, Daniel and Rodríguez Sanz, David and Martínez Jiménez, Eva María and Calvo-Lobo, César (2019) Electromyographic Evaluation of the Impacts of Different Insoles in the Activity Patterns of the Lower Limb Muscles during Sport Motorcycling: A Cross-Over Trial. Sensors, 19 (10). p. 2249. ISSN 1424-8220

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Official URL: https://doi.org/10.3390/s19102249




Abstract

Customized foot insoles (CFI) have been recognized to reduce the prevalence of foot disorders in sport. The aim of this study was to evaluate the effect of four types of CFI on the activity patterns of the lower limb muscles (LLM) in healthy people during sport motorcycling. Methods: This was a cross-over trial (NCT03734133. Participants were recruited from an outpatient foot specialist clinic. Their mean age was 33 ± 5.14 years. While participants were sport motorcycling in a simulator, the electromyography (EMG) function was registered for LLM via surface electrodes. Participants completed separate tests while wearing one of four types of CFI: (1) only polypropylene (58◦ Shore D), (2) selective aluminum (60 HB Brinell hardness) in metatarsal and first hallux areas and polypropylene elsewhere (58◦ Shore D), (3) ethylene vinyl acetate (EVA) (52◦ Shore A), and (4) standard EVA (25◦ Shore A) as the control. Results: The activity patterns of the LLM while sport motorcycling showed significantly lower peak amplitude for the selective aluminum CFI than the other types of CFI. Conclusion: EMG amplitude peaks for several LLM were smaller for the hardest CFI (selective aluminum 60 HB Brinell hardness) than the other CFIs (polypropylene 58◦ Shore D, EVA 52◦ Shore A, and standard EVA 25◦ Shore A), except for the fibularis longus in right curves that is increased when the knee touches the road increasing the stability.


Item Type:Article
Uncontrolled Keywords:foot insoles; electromyography; joint instability; muscle contractions; motorcycling; plantar pressure
Subjects:Medical sciences > Medicine > Musculoskeletal System
Medical sciences > Nursing > Podiatry
ID Code:64206
Deposited On:15 Mar 2021 17:06
Last Modified:16 Mar 2021 08:11

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