Joint excursion, handle velocity, and applied force: a biomechanical analysis of ergonometric rowing. Export

@article{To00, abstract = {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.}, address = {School of Physical and Occupational Therapy, Faculty of Medicine, McGill University, Montreal, Quebec, Canada. ricardo@physocc.lan.mcgill.ca}, author = {Torres-Moreno, R. and Tanaka, C. and Penney, K. L.}, citeulike-article-id = {1562039}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/10683098}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=10683098}, issn = {0172-4622}, journal = {Int J Sports Med}, keywords = {analysis, biomechanical, ergonometric, ngd, rowing}, month = {January}, number = {1}, pages = {41--44}, posted-at = {2007-08-15 08:07:41}, priority = {2}, title = {Joint excursion, handle velocity, and applied force: a biomechanical analysis of ergonometric rowing.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/10683098}, volume = {21}, year = {2000} }

TY - JOUR ID - To00 L3 - citeulike-article-id:1562039 N2 - 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. IS - 1 JF - Int J Sports Med SN - 0172-4622 AD - School of Physical and Occupational Therapy, Faculty of Medicine, McGill University, Montreal, Quebec, Canada. ricardo@physocc.lan.mcgill.ca EP - 44 TI - Joint excursion, handle velocity, and applied force: a biomechanical analysis of ergonometric rowing. VL - 21 SP - 41 KW - analysis KW - biomechanical KW - ergonometric KW - ngd KW - rowing AU - Torres-Moreno, R AU - Tanaka, C AU - Penney, KL PY - 2000/01// UR - http://view.ncbi.nlm.nih.gov/pubmed/10683098 ER -