Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
from September 2014
©Journal of Sports Science and Medicine (2007) 06, 29 - 35

Research article
Longitudinal Changes in The Spinal Kinematics of Oarswomen During Step Testing
Alison H. McGregor , Zeenat S. Patankar, Anthony M.J. Bull
Author Information
Biodynamics Group, Imperial College London, UK

Alison H. McGregor
‚úČ Biodynamics Laboratory, Faculty of Medicine, Imperial College London, Charing Cross Hospital, London W6 8RF, UK
Publish Date
Received: 21-06-2006
Accepted: 02-12-2006
Published (online): 01-03-2007
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Earlier studies have investigated the biomechanics of rowing during step testing with a focus on lumbo-pelvic kinematics and force output and noted that these parameters change with work intensity. The aim of this study was to investigate how the biomechanics of the rowing stroke changes over time as a result of coaching and training and to see if these change were related to a change in physiological performance. An electromagnetic motion measuring device in conjunction with a load cell was used to determine the ergometer rowing kinematics of 7 elite international oarswomen during routine step tests over a two year period. Force output was observed to improve over the two year time period, with peak force significantly rising by 40-80 N. This was associated with significant increases in stroke length of between 15 and 19 cm. Both of these are indicative of improvement in performance. Kinematic variables were also observed to change, with greater pelvic rotation and associated lumbar spine motion at the later time point. The findings of this study demonstrate that rowing technique changes with time, and suggest that kinematics measures of rowing technique may be important tools to monitor athletes.

Key words: Stroke length, performance, lumbo-pelvic motion force output

           Key Points
  • Kinematics of rowing technique change with time and reflect improvements in performance
  • Improved kinematics appear to be associated with improved rowing efficiency
  • Improvement in stroke length linked in part to improvements in lumbo-pelvic technique.
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