Researchers Discover Why Some Athletes' Performances Fail To Improve On A Live-High, Train-Low Regimen

DALLAS - December 30, 1998 - Exercise physiology researchers at UT Southwestern Medical Center at Dallas have learned why certain athletes don't respond to the internationally accepted "live-high, train-low" paradigm. The regimen - essentially living in the thin mountain air while training at lower altitudes to increase athletic endurance - is not effective in athletes unable to produce a sustained amount of a crucial red blood cell-increasing hormone.

"We've figured out some of the differences between the athletes who do and don't respond to altitude training. So now we hope to extend this research and predict who will and who won't respond with a screening test," said Dr. Benjamin Levine, associate professor of internal medicine at UT Southwestern and director of the Institute for Exercise and Environmental Medicine (IEEM) - a collaboration between UT Southwestern and Presbyterian Hospital of Dallas.

Exercise physiologists have known for years that, in most cases, the body responds to high altitude by producing more red blood cells to boost oxygen levels. That formed the basis of Levine's original 1997 study performed in collaboration with Dr. James Stray-Gundersen, a former assistant professor of surgery at UT Southwestern who now works with Norway's Olympic ski team.

The new study was published in the October issue of Journal of Applied Physiology. Levine's team, including Stray-Gundersen and UT Southwestern postdoctoral fellow Dr. Robert Chapman, looked at data from previous altitude studies, specifically, erythropoietin (EPO) concentrations in 39 collegiate runners living at high altitudes. Those who responded to the live-high, train-low regimen showed a significantly larger increase in EPO concentration than the nonresponders. The researchers theorized that this increased EPO concentration allows the body to make more red cells while at high altitudes and that, in turn, increases maximal oxygen uptake, which was shown through higher scores in

Contact: Jennifer Haigh-Manley
UT Southwestern Medical Center

Page: 1 2 3

Related biology news :

1. Researchers determine genetic cause of Timothy syndrome
2. Researchers find color sensitive atomic switch in bacteria
3. Researchers identify protein promoting vascular tumor growth
4. Researchers devise potent new tools to curb ivory poaching
5. Researchers create nanotubes that change colors, form nanocarpet and kill bacteria
6. Researchers ID chlorophyll-regulating gene
7. Researchers develop fast track way to discover how cells are regulated
8. Researchers identify distinctive signature for metastatic prostate cancer
9. Researchers report new gene test for isolated cleft lip and palate
10. Researchers discover why mutant gene causes colon cancer
11. Researchers identify the genomes controlling elements

Post Your Comments:

(Date:11/17/2015)... 17, 2015  Vigilant Solutions announces today that Mr. ... of Directors. --> --> ... from the partnership at TPG Capital, one of the ... $140 Billion in revenue.  He founded and led TPG,s ... TPG companies, from 1997 to 2013.  In his first ...
(Date:11/16/2015)... SAN JOSE, Calif. , Nov 16, 2015 ... leading developer of human interface solutions, today announced ... new Synaptics TouchView ™ touch controller and ... the architectural revolution of smartphones. These new TDDI ... and include TD4100 (HD resolution), TD4302 (WQHD resolution), ...
(Date:11/12/2015)... Mass. , Nov. 12, 2015  Arxspan ... Institute of MIT and Harvard for use of ... discovery information management tools. The partnership will support ... both biological and chemical research information internally and ... will be used for managing the Institute,s electronic ...
Breaking Biology News(10 mins):
(Date:11/24/2015)... ... , ... The Academy of Model Aeronautics (AMA), led by its Executive Council, ... Grand Prix, to represent the First–Person View (FPV) racing community. , FPV racing has ... type of racing and several new model aviation pilots have joined the community because ...
(Date:11/24/2015)... CITY , Nov. 24, 2015 /PRNewswire/ - ... "Company") announced today that the remaining 11,000 post-share ... Share Purchase Warrants (the "Series B Warrants") subject ... were exercised on November 23, 2015, which will ... Shares.  After giving effect to the issuance of ...
(Date:11/24/2015)... ... November 24, 2015 , ... Creation ... on being named to Deloitte's 2015 Technology Fast 500 list of the fastest ... AcceleDent®, a FDA-cleared, Class II medical device that speeds up orthodontic tooth movement ...
(Date:11/24/2015)... VILLAGE, Nev. , Nov. 24, 2015  PDL BioPharma, ... John P. McLaughlin , the company,s president and chief executive ... Jaffray Healthcare Conference next week in New York ... will occur on Tuesday, December 1, 2015 at 9:30 a.m. ... Presentations." Please connect to the website at least 15 minutes ...
Breaking Biology Technology:
Cached News: