Determining if muscle activity is related to preferred stride frequency during running in the water and on land

Kenji Masumoto, Joshua P. Bailey, John A. Mercer

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)

抄録

Purpose: To determine if muscle activity is related to preferred stride frequency (PSF) during deep water running (DWR) and treadmill running on dry land (TMR). Methods: Subjects (n = 11; 26.2 ± 4.4 years) completed TMR and DWR at their mode-specific preferred stride frequency (PSFmode). They also ran at stride frequencies which were lower and higher than the PSFmode (i.e., PSFmode ± 5, 10, and 15 %). Muscle activity from the rectus femoris (RF), biceps femoris (BF), tibialis anterior (TA), and gastrocnemius (GL), SF, and rating of perceived exertion (RPE) were measured. Results: The PSFmode during DWR was significantly lower than that of TMR (i.e., 49.9 ± 11.0 versus 81.9 ± 4.8 strides/min, P < 0.0001). Additionally, muscle activity from the RF, TA, and GL during DWR was significantly lower than during TMR at respective PSFmode (~83.6 % decrease, P < 0.0001). However, RPE while running at the PSFmode during DWR and TMR was similar. During DWR, the RF, TA, and GL muscle activity was not different between PSFmode and any other SF conditions (P > 0.0005). During TMR, there was no significant difference in the RF and GL muscle activity between PSFmode and any other SF conditions during TMR (P > 0.0005). Conclusions: During DWR, subjects selected a lower PSF than during TMR even though RPE was the same. It was also determined that the relationship between muscle activity and changes in SF relative to the PSFmode was unique during DWR and TMR.

元の言語英語
ページ(範囲)2691-2700
ページ数10
ジャーナルEuropean Journal of Applied Physiology
115
発行部数12
DOI
出版物ステータス出版済み - 8 9 2015

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Muscles
Water
Quadriceps Muscle

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Public Health, Environmental and Occupational Health
  • Physiology (medical)

これを引用

Determining if muscle activity is related to preferred stride frequency during running in the water and on land. / Masumoto, Kenji; Bailey, Joshua P.; Mercer, John A.

:: European Journal of Applied Physiology, 巻 115, 番号 12, 09.08.2015, p. 2691-2700.

研究成果: ジャーナルへの寄稿記事

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abstract = "Purpose: To determine if muscle activity is related to preferred stride frequency (PSF) during deep water running (DWR) and treadmill running on dry land (TMR). Methods: Subjects (n = 11; 26.2 ± 4.4 years) completed TMR and DWR at their mode-specific preferred stride frequency (PSFmode). They also ran at stride frequencies which were lower and higher than the PSFmode (i.e., PSFmode ± 5, 10, and 15 {\%}). Muscle activity from the rectus femoris (RF), biceps femoris (BF), tibialis anterior (TA), and gastrocnemius (GL), SF, and rating of perceived exertion (RPE) were measured. Results: The PSFmode during DWR was significantly lower than that of TMR (i.e., 49.9 ± 11.0 versus 81.9 ± 4.8 strides/min, P < 0.0001). Additionally, muscle activity from the RF, TA, and GL during DWR was significantly lower than during TMR at respective PSFmode (~83.6 {\%} decrease, P < 0.0001). However, RPE while running at the PSFmode during DWR and TMR was similar. During DWR, the RF, TA, and GL muscle activity was not different between PSFmode and any other SF conditions (P > 0.0005). During TMR, there was no significant difference in the RF and GL muscle activity between PSFmode and any other SF conditions during TMR (P > 0.0005). Conclusions: During DWR, subjects selected a lower PSF than during TMR even though RPE was the same. It was also determined that the relationship between muscle activity and changes in SF relative to the PSFmode was unique during DWR and TMR.",
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N2 - Purpose: To determine if muscle activity is related to preferred stride frequency (PSF) during deep water running (DWR) and treadmill running on dry land (TMR). Methods: Subjects (n = 11; 26.2 ± 4.4 years) completed TMR and DWR at their mode-specific preferred stride frequency (PSFmode). They also ran at stride frequencies which were lower and higher than the PSFmode (i.e., PSFmode ± 5, 10, and 15 %). Muscle activity from the rectus femoris (RF), biceps femoris (BF), tibialis anterior (TA), and gastrocnemius (GL), SF, and rating of perceived exertion (RPE) were measured. Results: The PSFmode during DWR was significantly lower than that of TMR (i.e., 49.9 ± 11.0 versus 81.9 ± 4.8 strides/min, P < 0.0001). Additionally, muscle activity from the RF, TA, and GL during DWR was significantly lower than during TMR at respective PSFmode (~83.6 % decrease, P < 0.0001). However, RPE while running at the PSFmode during DWR and TMR was similar. During DWR, the RF, TA, and GL muscle activity was not different between PSFmode and any other SF conditions (P > 0.0005). During TMR, there was no significant difference in the RF and GL muscle activity between PSFmode and any other SF conditions during TMR (P > 0.0005). Conclusions: During DWR, subjects selected a lower PSF than during TMR even though RPE was the same. It was also determined that the relationship between muscle activity and changes in SF relative to the PSFmode was unique during DWR and TMR.

AB - Purpose: To determine if muscle activity is related to preferred stride frequency (PSF) during deep water running (DWR) and treadmill running on dry land (TMR). Methods: Subjects (n = 11; 26.2 ± 4.4 years) completed TMR and DWR at their mode-specific preferred stride frequency (PSFmode). They also ran at stride frequencies which were lower and higher than the PSFmode (i.e., PSFmode ± 5, 10, and 15 %). Muscle activity from the rectus femoris (RF), biceps femoris (BF), tibialis anterior (TA), and gastrocnemius (GL), SF, and rating of perceived exertion (RPE) were measured. Results: The PSFmode during DWR was significantly lower than that of TMR (i.e., 49.9 ± 11.0 versus 81.9 ± 4.8 strides/min, P < 0.0001). Additionally, muscle activity from the RF, TA, and GL during DWR was significantly lower than during TMR at respective PSFmode (~83.6 % decrease, P < 0.0001). However, RPE while running at the PSFmode during DWR and TMR was similar. During DWR, the RF, TA, and GL muscle activity was not different between PSFmode and any other SF conditions (P > 0.0005). During TMR, there was no significant difference in the RF and GL muscle activity between PSFmode and any other SF conditions during TMR (P > 0.0005). Conclusions: During DWR, subjects selected a lower PSF than during TMR even though RPE was the same. It was also determined that the relationship between muscle activity and changes in SF relative to the PSFmode was unique during DWR and TMR.

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