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Bolsa De EmpregoSubject: Fatigue and Phosphate
Author: ironjusticeDate: 1 Jul
This would be my free bisphosphonate .. again.
http://tinyurl.com/3qs3cq
DRAMATIC IMPROVEMENTS IN POWER AND ENDURANCE WITH LACTIC ACID BUFFERS
WITH LESS PERCEIVED EFFORT
Dr Robert Cade and his group at the Department of Medicine of the
University of Florida in 1984 ran a well controlled study (double
blind, placebo, crossover design). Ten highly trained distance runners
consumed either 1 gram of sodium phosphate four times daily or a
placebo for three days. They then ran them on a treadmill to
exhaustion. During the phosphate loading trial, lactic acid levels
were lower, 2,3 -DPG levels were higher, VO2 max increased by 6-12%,
and subjects ran 3-9 minutes longer. (Cade R, et al Med Sci Sports
Exer 1984;16:263-268).
Other research findings from the Florida physiology laboratory suggest
that phosphate salts will reduce the perceived psychological stress as
measured by RPE (Rating of Perceived Exertion), of riding a bicycle
for 3 hours at 75 to 80 percent VO2 max. Physiological measurements
during this study suggested that increases in 2,3 DPG improved the
release of oxygen from the Red Blood Cells and thus reduced the
workload of the heart. The findings from the Florida laboratory
strongly support an ergogenic effect of phosphate salts, and the lead
investigator in these studies has been quoted as saying that
‘phosphate salts do allow for better performance’.
Closer to home, Dr Ian Stewart and his colleagues at the Tasmanian
Institute of Technology did a study of highly trained cyclists, giving
them 3.6 grams of sodium phosphate a day or a placebo, for three days
before a maximum effort on the ergometer bicycle. Results showed that
phosphate loading reduced lactic acid accumulation, increased 2,3 -
DPG production during exercise, increased VO2 max by 11%, and
increased time to exhaustion by 20% (Stewart I, McNaughton L Res Quart
1990;61:80-84).
One of the most recent and best studies (KREIDER RB, et al Int J
Sports Nutr 1992;2:20-47) which tested both anaerobic and endurance
exercise gave trained cyclists 4 grams of sodium phosphate per day or
a placebo, for 3 days prior to a maximal exercise test and a 40km time
trial on the ergometer bicycle.
During the anaerobic phosphate trials, maximal power output increased
by 17%. As Dr Michael Colgin points out in his excellent book OPTIMUM
SPORTS NUTRITION, that’s the equivalent to adding 51 lbs to a 300 lb
maximum bench press! During the aerobic phosphate trials, time for the
40km ride was reduced by 3.5 minutes. That’s big. Despite some
contrasting findings in other studies, there is no doubt in my mind
that phosphate works big time. I have personally confirmed similar
results on a female olympic level sprinter over 400 and 800 metre
distances.
Sodium phosphate has been used in most studies but potassium phosphate
works too. With the high level of sodium added to our food and the big
losses of potassium in food processing, potassium phosphate would be a
lot healthier. But don’t use calcium phosphate. Two studies that have
tried calcium phosphate found no effect at all (Bradel D, et al J Appl
Physio 1988;65:1821-1826. MANNIX E, et al Med Sci Sports Exer
1990;22:341-347).
Who loves ya.
Tom
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ironjustice
Ron Peterson
