Dawu Huang1, Lu Liu 2,*, Changfa Xie3
1 P.E. College, Jiangxi Normal University, Nanchang 330022, China
2Institute of Psychology, Jiangxi Normal University, Nanchang 330022, China
3Jiangxi Tourism and Commerce Vocational College, Nanchang 330100, China
Purpose: To insight into the lower limb muscle characteristics of top level speed skater in short distance, in terms of iEMG, excitation intensity, and activation modality. Methods: Three female word champion speedskaters participated in this study. EMG data was collected in the second straight by ME6000 when gliding in a standard speed skating rink. Results: tibialis anterior and quadriceps muscle are the main work muscles in supporting phase; The excitation intensity of tibialis anterior and biceps femoral is bigger in flexion phase, while others(gastrocnemius lateralis , vastus medialis, vastus lateralis, rectus femoris, semitendinosus muscle and gluteus muscle) are bigger in extension phase; the onset of tibialis anterior is first, followed by the vastus medialis, vastus lateralis and biceps femoral; the offset of tibialis anterior is first, then the vastus medialis, vastus lateralis and gastrocnemius lateralis at the time of off-ice. Conclusion: The main work muscles is consistent in elite athletes; muscle activation modality is regular in the same technique in elite athletes; Elite athletes’ technique is very stable. Short -track speed skaters should put more punch on gastrocnemius strength training when switch to speed skater.
Speed skating; muscle characteristics; iEMG; RMS; activation modality
Dawu Huang, Lu Liu, Changfa Xie. Surface-EMG analysis for the Lower Limb Muscle Characteristics of Top Level Women Speed Skater in Short Distance. Academic Journal of Humanities & Social Sciences (2020) Vol. 3, Issue 8: 188-203. https://doi.org/10.25236/AJHSS.2020.030820.
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