SciELO - Scientific Electronic Library Online

 
vol.29 issue1Gait retraining as part of the treatment programme for soldiers with exercise-related leg pain: preliminary clinical experiences and retentionA 12-week primary prevention programme and its effect on health outcomes (the Sweet Hearts biokinetics pilot study) author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand

Article

Indicators

Related links

  • On index processCited by Google
  • On index processSimilars in Google

Share


South African Journal of Sports Medicine

On-line version ISSN 2078-516X
Print version ISSN 1015-5163

Abstract

GREEN, A et al. A simulated rugby match protocol induces physiological fatigue without decreased individual scrummaging performance. SA J. Sports Med. [online]. 2017, vol.29, n.1, pp.1-6. ISSN 2078-516X.  http://dx.doi.org/10.17159/2078-516x/2017/v29i0a1701.

BACKGROUND: A rugby union game consists of 80 minutes of strenuous exertion. Forwards are required to participate in the arduous activity of scrummaging throughout a game OBJECTIVES: The purpose of this study was to identify whether rugby-match simulated fatigue modified individual scrummaging technique and reduced performance METHODS: Twelve forwards (body mass 106.2±13.3 kg; stature 179.5±8.4 cm) had individual scrum kinetics and kinematics assessed prior to and following a protocol that simulated a rugby match. The simulated rugby match protocol required participants to run at various velocities and perform rugby specific tasks. Rating of Perceived Exertion (RPE) was assessed using a 6-20 Borg scale and Visual Analogue Scale (VAS). Blood lactate, heart rate and RPE were measured prior to, at mid-point and after the simulated game, while markers of muscle damage (blood creatine kinase activity (CK) and urea) were measured prior to and following the protocol RESULTS: RPE (p<0.0001) and VAS (p<0.0001) showed significant increases between the pre- and post-simulation values. Of the physiological markers, heart rate (p<0.0001) and blood urea concentration (p=0.004) increased following the match simulation. No significant differences were observed for blood CK (p=0.281), individual scrummaging forces (p=0.433) or in the kinematic variables following the protocol. While physiological fatigue and subjective ratings of physiological fatigue may develop during a rugby simulation, no differences were observed in peak forces or in body kinematics at peak force CONCLUSION: Physiological fatigue does not influence individual scrummaging performance and technique

Keywords : exertion; kinetics; kinematics; simulation.

        · text in English     · English ( pdf )

 

Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License