Oxendale, CL, Highton, J, Smith, G and Twist, C (2022) Can Player Tracking Devices Monitor Changes in Internal Response During Multidirectional Running? Research Quarterly for Exercise and Sport. pp. 1-7. ISSN 0270-1367

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Abstract

Purpose: We examined the movement, physiological and muscle function responses to running with and without (i.e. linear) multiple directional changes to understand which measures of external demands better reflected changes in the internal response. Methods: Twelve team sport athletes completed a linear and multidirectional running trial during which movement characteristics, oxygen consumption ((Formula presented.)), blood lactate (B[La]) and heart rate (HR) were measured. Isometric peak torque of knee extensors and flexors was also assessed before and after each trial. Results: High speed running distance was higher during the linear trial (p < 0.001), whereas time at high metabolic power (p = 0.046), number of accelerations (p < 0.001), summated HR (p = 0.003) and B[La] (p = 0.002) were higher during the multidirectional trial. Integrated external to internal ratios of high-speed running: summated HR and high-speed running: total (Formula presented.) were different between multidirectional and linear trials (p ≤ 0.001). Conversely, high metabolic power: summated HR and high metabolic power: total (Formula presented.) were similar (p ≥ 0.246). Small decrements in knee flexor (p = 0.003) and extensor torque (p = 0.004) were observed after both trials. Conclusion: Time at high metabolic power better reflects the increased internal response during running with more directional changes than high speed running.

Item Type:	Article
Uncontrolled Keywords:	Accelerations; external: GPS; internal ratio; metabolic power; 1106 Human Movement and Sports Sciences; 1302 Curriculum and Pedagogy; 1701 Psychology; Sport Sciences
Subjects:	R Medicine > RC Internal medicine > RC1200 Sports Medicine
Divisions:	Sport & Exercise Sciences
Publisher:	Taylor and Francis Group
SWORD Depositor:	A Symplectic
Date Deposited:	27 Jan 2023 11:03
Last Modified:	27 Jan 2023 11:03
DOI or ID number:	10.1080/02701367.2022.2092049
URI:	https://researchonline.ljmu.ac.uk/id/eprint/18748

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