The Relationship Between Running Economy and Biomechanical Variables in Distance Runners |
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| Authors: | Marcus Peikriszwili Tartaruga Jeanick Brisswalter Leonardo Alexandre Peyré-Tartaruga Aluísio Otávio Vargas Ávila Cristine Lima Alberton Marcelo Coertjens |
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| Institution: | 1. Physical Education School , Federal University of Rio Grande do Sul;2. Physical Education School , Midwest State University of Parana;3. Laboratory of Human Motricity, Education, Sport, and Health , University of Nice Sophia Antipolis;4. Physical Education School , Federal University of Rio Grande do Sul;5. Brazilian Institute of Technology of Leather, Footwear and Artifacts , Novo Hamburgo , Brazil;6. Department of Sciences , Federal University of Piauí |
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| Abstract: | In this study, we analyzed the relationship between running economy (RE) and biomechanical parameters in a group running at the same relative intensity and same absolute velocity. Sixteen homogeneous male long-distance runners performed a test to determine RE at 4.4 m.s-1, corresponding to 11.1% below velocity at the ventilatory threshold. We found significant correlations between RE and biomechanical variables (vertical oscillation of the center of mass, stride frequency, stride length, balance time, relative stride length, range of elbow motion, internal knee, ankle angles at foot strike, and electromyographic activity of the semitendinosus and rectus femoris muscles). In conclusion, changes in running technique can influence RE and lead to improved running performance. |
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| Keywords: | electromyography kinematics locomotion oxygen uptake |
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