The effect of physical contact on changes in fatigue markers following rugby union field-based training

Journal article


Roe, Gregory, Darrall-Jones, Joshua, Till, Kevin, Phibbs, Padraic, Read, Dale, Weakley, Jonathon, Rock, Andrew and Jones, Ben. (2017). The effect of physical contact on changes in fatigue markers following rugby union field-based training. European Journal of Sport Science. 17(6), pp. 647 - 655. https://doi.org/10.1080/17461391.2017.1287960
AuthorsRoe, Gregory, Darrall-Jones, Joshua, Till, Kevin, Phibbs, Padraic, Read, Dale, Weakley, Jonathon, Rock, Andrew and Jones, Ben
Abstract

Repeated physical contact in rugby union is thought to contribute to post-match fatigue; however, no evidence exists on the effect of contact activity during field-based training on fatigue responses. Therefore, the purpose of this study was to examine the effect of contact during training on fatigue markers in rugby union players. Twenty academy rugby union players participated in the cross-over study. The magnitude of change in upper- and lower-body neuromuscular function (NMF), whole blood creatine kinase concentration [CK] and perception of well-being was assessed pre-training (baseline), immediately and 24 h post-training following contact and non-contact, field-based training. Training load was measured using mean heart rate, session rating of perceived exertion (sRPE) and microtechnology (Catapult Optimeye S5). The inclusion of contact during field-based training almost certainly increased mean heart rate (9.7; ±3.9%) and sRPE (42; ±29.2%) and resulted in likely and very likely greater decreases in upper-body NMF (−7.3; ±4.7% versus 2.7; ±5.9%) and perception of well-being (−8.0; ±4.8% versus −3.4; ±2.2%) 24 h post-training, respectively, and almost certainly greater elevations in [CK] (88.2; ±40.7% versus 3.7; ±8%). The exclusion of contact from field-based training almost certainly increased running intensity (19.8; ±5%) and distance (27.5; ±5.3%), resulting in possibly greater decreases in lower-body NMF (−5.6; ±5.2% versus 2.3; ±2.4%). Practitioners should be aware of the different demands and fatigue responses of contact and non-contact, field-based training and can use this information to appropriately schedule such training in the weekly microcycle.

Keywordsfatigue; recovery; team sport
Year2017
JournalEuropean Journal of Sport Science
Journal citation17 (6), pp. 647 - 655
PublisherTaylor & Francis
ISSN1746-1391
Digital Object Identifier (DOI)https://doi.org/10.1080/17461391.2017.1287960
Scopus EID2-s2.0-85013892868
Page range647 - 655
Research GroupSchool of Behavioural and Health Sciences
Publisher's version
File Access Level
Controlled
Place of publicationUnited Kingdom
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