Number of Directional Changes Alters the Physiological, Perceptual, and Neuromuscular Responses of Netball Players During Intermittent Shuttle Running
Journal article
Authors | Ashton, R. and Twist, C. |
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Abstract | This study investigated whether an increased number of changes in direction altered the metabolic, cardiovascular, perceptual and neuromuscular responses to intermittent shuttle running. Using a randomized crossover design, ten female netball players completed 30 min of intermittent shuttle running over a 10 m (ISR10) and 20 m (ISR20) linear course. Measures of expired air, heart rate (HR), RPE, blood lactate concentration ([BLa]) and peak torque of knee extensors and flexors were measured. Differences (% ± 90% CL) in VO2 (1.5 ± 5.6%) was unclear between conditions, while HR was possibly higher (1.5 ± 2.5%) and [BLa] very likely lower in ISR20 compared to ISR10 (-32.7 ± 9.9%). RPE was likely lower in the ISR20 compared to the ISR10 condition at 15 (-5.0 ± 5.0%) and mosly likely lower at 30 min (-9.4 ± 2.0%). Sprint times over 20 m were likely slower during ISR20 at mid (3.9 ± 3.2%) but unclear post (2.1 ± 5.4%). Changes in muscle function were not different between ISR10 and ISR20 conditions for knee extension (-0.2 ± 0.9%) but were likely different for knee flexion (-5.7 ± 4.9%). More directional changes during shuttle running increases the physiological and perceptual load on female athletes that also causes a greater reductions in knee extensor torque. These findings have implications for the effective conditioning and injury prevention of female team sport athletes. |
Keywords | netball; physiological response; athletes |
Year | 2015 |
Journal | Journal of Strength and Conditioning Research |
Journal citation | 29 (10), pp. 2731-7 |
Publisher | Wolters Kluwer |
ISSN | 1064-8011 |
Digital Object Identifier (DOI) | https://doi.org/10.1519/jsc.0000000000000933 |
Web address (URL) | http://dx.doi.org/10.1519/jsc.0000000000000933 |
Publication dates | Oct 2015 |
Publication process dates | |
Deposited | 19 Jun 2020, 08:33 |
Accepted | 2015 |
Contributors | University of Chester |
Place of publication | United States |
File | File Access Level Open |
https://repository.derby.ac.uk/item/9322q/number-of-directional-changes-alters-the-physiological-perceptual-and-neuromuscular-responses-of-netball-players-during-intermittent-shuttle-running
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