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The making of East African runners

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Laura Roach

on 8 June 2011

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Transcript of The making of East African runners

The Making of the East African Running Dynasty The Perfect Storm Running Economy Diet Water Balance Consume 2 liters (half from tea) per day Do not consume fluids prior to training or during, and consume modestly immediately following High Altitude Heat Socio-economics, politics, and culture Of the 26 Women's 2010 Diamond League (international) races 800m and up, 20 were won by a Kenyan or Ethiopian. (24/26 men) An Ethiopian holds the world record in the marathon, the rest of the top ten marathon times belong to Kenyans. Since the 1988 Olympics, Kenyans have took home 14 of the 18 medals In the 3k Steeplechase. Kenyan and Ethiopean teams have taken the World Championship in Cross Country every year since 1981 on the men's side, and since 1995 on the women's side East African men hold world records in the 800m, 1k, 3k, 5k,10k, 20k on the track and 10km, 15km, 20km, half marathon, 25km, & marathon on the road Researchers http://en.wikipedia.org/wiki/Tim_Noakes Timothy Noakes, MBChB, MD, DSc (Med) Head of Medical Research Council/University of Cape Town Research Unit for Exercise Science and Sports Medicine Dr Yannis Pitsiladis Director of the International Centre for East African Running Science Professor at Kenyatta University, Nairobi
Graduate of St. Patrick's High School in Iten
B.Sc. Eastern New Mexico University,
2x M.Sc. Stanford University, PhD. University of Oregon
Bronze medalist in 800m,
Uncle of Kenya's first winter olympian, Philip Boit Michael Boit Barry Fudge Physiologist for UK Athletics at English Institute of Sport
B.Sc., PhD University of Glasgow in Glasgow, United Kingdom
Author of 'Elite Kenyan Endurance Running: Diet, Hydration, Lifestyle and Training Practices ' Lucia, A., Esteve-Lanao, J., Oliván, J., Gómez-Gallego, F., San Juan, A. F., Santiago, C., & ... Foster, C. (2006). Physiological characteristics of the best Eritrean runners—exceptional running economy. Applied Physiology, Nutrition & Metabolism, 31(5), 530-540. Time at task Lifestyle Iten- 8000 ft Eldoret- 6000 ft Rift Valley Fudge, B.W., Westerterp K.R., Kiplamai, F.K., Onywera, V.O., Boit, M.K., Kayser B. & Pitsiladis, Y.P. (2006) Evidence of negative energy balance using doubly labelled water in elite Kenyan endurance runners prior to competition, British Journal of Nutrition 95, 59–66. carbohydrate (67.3 (SD 7.8) %)
sufficient protein (15.3 (SD 4.0) %)
sufficient fat (17.4 SD 3.9) %) 7 day training period
1 week before the Kenyan national cross-country trials Marino, F.E., Lambert, M.I., & Noakes T.D. (2004) Superior performance of African runners in warm humid but not in cool environmental conditions. J Appl Physiol 96: 124–130. Sweat rate significantly lower in Africans compared to Caucasions in 70% submaximal run and 8k performance run at 35 degrees Celsius Mean total body water, pretraining body mass, urine osmolarity, and sodium balance were well maintianed over five days of training % body mass loss:
0.8(short), 1.5 (medium), 2.0 (long) morning,
1.3 interval and 1.0 afternoon (Marino et al, 2003) (Fudge et al., 2008) Target Population Applications & Conclusions How can we train like the East Africans? Should we train like the East Africans? Future Research Directions Limitations to Current Research My Conclusions The elite East African runners have an ideal environment in which to grow, train, acclimate to external stressers, remain motivated, and compete, making them hard to beat.
Similar to the military model, Kenyan training molds kids into elite running warriors. Accessability of research facilities
Elite athlete participation
Over-representation of successful runners
Difficulty in controling for economic motivations -Compare to training adaptations of Caucasians at East African training camps
-Compare to training adaptaions of East Africans living in Europe or the United States
- Further understandings of genetic and hereditary variables to distinguish them from environmental influences Time at task- recreational and transportation Give economic incentives Yes, we are too soft and climate controled No, we're not built for it, due to our upbringing and genetics we can't handle the same stress load Heat acclimation Negative energy balance prior to competition Fluid balance Stress innoculation Larsen, H. B. (2003). Kenyan dominance in distance running. Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology, 136(1), 161-170. http://en.wikipedia.org/wiki/Michael_Boit
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