A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Biomechanical factors affecting energy cost during running utilising different slopes (2020)
Seki, K., Kyröläinen, H., Sugimoto, K., & Enomoto, Y. (2020). Biomechanical factors affecting energy cost during running utilising different slopes. Journal of Sports Sciences, 38(1), 6-12. https://doi.org/10.1080/02640414.2019.1676527
JYU-tekijät tai -toimittajat
Julkaisun tiedot
Julkaisun kaikki tekijät tai toimittajat: Seki, Keitaro; Kyröläinen, Heikki; Sugimoto, Kanami; Enomoto, Yasushi
Lehti tai sarja: Journal of Sports Sciences
ISSN: 0264-0414
eISSN: 1466-447X
Julkaisuvuosi: 2020
Volyymi: 38
Lehden numero: 1
Artikkelin sivunumerot: 6-12
Kustantaja: Taylor & Francis
Julkaisumaa: Britannia
Julkaisun kieli: englanti
DOI: https://doi.org/10.1080/02640414.2019.1676527
Julkaisun avoin saatavuus: Ei avoin
Julkaisukanavan avoin saatavuus:
Julkaisu on rinnakkaistallennettu (JYX): https://jyx.jyu.fi/handle/123456789/66540
Tiivistelmä
This study aimed to examine the characteristics of electromyography (EMG) and kinematics of the supporting leg affecting energy cost while running at incline, level, and decline slopes. Twelve male Japanese middle- and long-distance runners volunteered for this study. The subjects were asked to run at 13.5 km·h−1 on a treadmill under three slope conditions. Sagittal plane kinematics and the EMG of the lower limb muscles, respiratory gases were recorded. Energy cost differed significantly between slopes, being the lowest in decline slope and the greatest in incline slope. Integrated EMG (iEMG) of leg extensor muscles was greater in the incline slope than in the decline slope, and iEMG of the gastrocnemius and soleus muscles correlated positively with energy cost. The knee and ankle joint kinematics were associated with energy cost during running. In incline slope, the knee and ankle joints were more extended (plantarflexed) to lift the body. These movements may disturb the coordination between the ankle and knee joints. The gastrocnemius muscle would do greater mechanical work to plantarflex the ankle joint rather than transfer mechanical energy as well as greater mechanical work of mono-articular muscles. These muscular activities would increase energy cost.
YSO-asiasanat: juoksu; liikeoppi; biomekaniikka; energiankulutus (aineenvaihdunta); elektromyografia
Vapaat asiasanat: running economy; kinematics; EMG; inclination
Liittyvät organisaatiot
OKM-raportointi: Kyllä
Raportointivuosi: 2020
JUFO-taso: 1
