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What Is The Best Protein Source?

Posted by Dr. Robert Portman on 9/16/2020 to Performance Tip Of The Week
What Is The Best Protein Source?

At one time the protein category was much less confusing. The dominant protein source was whey. Today whey and other animal proteins are criticized as "unhealthy". What is the reality? 


Surprising Brain/Muscle Connection

Posted by Dr. Robert Portman on 9/2/2020 to Performance Tip Of The Week
Surprising Brain/Muscle Connection
Your brain and muscles communicate especially during exercise. During intense exercise, your muscles release markers of muscle damage which travel to the brain. The brain then releases specific signals that increase your feelings of fatigue. This interchange between brain and muscle serves as a protective function so you don't severely damage your muscles. A recent study found that...

Exercise & Heat: The Body’s Early Warning System

Posted by Dr. Robert Portman on 8/28/2020 to Performance Tip Of The Week
Exercise & Heat: The Body’s Early Warning System
Most of the country is experiencing stifling temperatures, some areas in excess of 100 degrees. The impact of heat on exercise performance is well documented. Heat causes a reduction in muscle force and sustained contraction. Logically, it would seem that the precipitating event in reducing...

Two Drinks A Day May Be Good For Your Brain

Posted by Dr. Robert Portman on 8/24/2020 to Performance Tip Of The Week
Two Drinks A Day May Be Good For Your Brain
I find the headline surprising, since many of the stupid decisions we make is often under the influence of alcohol. However, a recent study that examined alcohol consumption and brain health is quite provocative. The researchers tracked 20,000 Americans over nine years and correlated low to moderate drinking with a lower rate of cognitive decline and consistently higher cognitive function. The study didn’t necessarily say that alcohol preserved brain function but only that there was a positive correlation between moderate drinking and brain health.

Drink Coffee - Decrease Body Fat Percentage

Posted by Dr. Robert Portman on 8/19/2020 to Performance Tip Of The Week
Drink Coffee - Decrease Body Fat Percentage
Previous Performance Tips have featured reports on the benefits of caffeine on endurance performance, recovery, and outcomes in a number of chronic diseases. Because of caffeine’s effect on endurance and recovery one could logically conclude that caffeine would positively improve lean body mass by raising the training level. However a recent study, using CDC data, analyzed the relationship between the number of cups of coffee drank per day and both total body fat percentage and abdominal fat.

Do Women Athletes Work Harder Than Men?

Posted by Dr. Robert Portman on 7/31/2020 to Performance Tip Of The Week
Do Women Athletes Work Harder Than Men?

Although female athletes are capable of extraordinary achievement, a number of studies have investigated performance differences between male and female endurance athletes. Their findings are quite interesting. One study evaluated the amount of energy used by the respiratory muscles in male and female athletes. Respiratory muscles are muscles found in the rib cage and diaphragm that are critical for breathing. The researchers measured the amount of energy respiratory muscles consumed in male and female athletes during maximal exercise intensities.


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