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Joint Excursion, Handle Velocity, and Applied Force: a Biomechanical Analysis of Ergonometric Rowing
31 December 2000 (online)
Rowers may sacrifice on-water technique during ergonometric training in an attempt to increase stroke output. This cross-sectional study aimed to identify characteristics of ergonometric rowing technique that could be potentially detrimental to an effective and safe on-water performance. Joint excursion, handle velocity, and applied force were measured in 44 athletes while they performed a 2500 meter race on an instrumented ergometer. Results on four subjects are presented here. Their performance is compared to that of a Barcelona Olympic and World champion rower with 12 years of experience to illustrate how athletes deviate from standard on-water technique. Kinematic data showed knee joint oscillations and out-of-phase hip and knee joint reversals. Horizontal handle velocity curves indicated that higher stroke rates were achieved by a decrease in recovery time. Vertical handle velocity curves exhibited bi-directional variations. The largest amplitude occurred at the end of the drive phase during an upward displacement of the handle that was associated with a jerk in the applied force. Force-time curves at different stroke rates showed greater variability in the initial portion of the drive phase. Perpetuation of these technique deviations may be detrimental to on-water performance. Biomechanical analyses may allow coaches to better monitor technique during ergonometric training.
Rowing - ergonometric performance - movement optimization - postural control - sport biomechanies
- 1 Boland A L, Hosea T M. Rowing and sculling and the older athlete. Clin Sports Med. 1991; 10 245-256
- 2 Concept II.
De Indoor Rower.http://www.concept2.nl/indoorrower/index.html. 1996
- 3 Mahler D A, Nelson W N, Hagerman F C. Mechanical and physiological evaluation of exercise performance in elite national rowers. J Am Med Ass. 1984; 252 496-499
- 4 Nelson W N, Widule C J. Kinematic analysis and efficiency estimate of intercollegiate female rowers. Med Sci Sports Exercise. 1983; 15 535-541
- 5 Redgrave S.
Complete book of rowing.London; Partridge Press 1995
- 6 Hollinger N R, Marchand I, Fallon K P, Melis E H, Creutzberg T J, Torres-Moreno R. A comparison of kinematic and kinetic performance among athletes during ergometer rowing. Rowing Canada Aviron - Canadian Amateur Rowing Association Journal. 1995; 18 9-13
- 7 Wajswelner H. Prevention of low back pain in rowers. Excel. 1987; 4 10
Bioengineering Ph.D. Ricardo Torres-Moreno
Biomechanics Laboratory School of Physical and Occupational Therapy Faculty of Medicine, McGill University
3630 Drummond Street, Montreal
Quebec, H3G 1Y5
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