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Fasting, Exercise And Immune Function

Posted by Dr. Robert Portman on 3/29/2021 to Performance Tip Of The Week
Fasting, Exercise And Immune Function
As COVID-19 continues to disrupt our lives, endurance athletes are faced with challenges – how to maintain their fitness level and their immune health. Previous Performance Tips have discussed the beneficial effects of exercise on immune function. A recent study examined the impact of intermittent fasting, which has become quite popular among endurance, on immune function. 

Chronic Sleep Loss Reduces Protein Synthesis

Posted by Dr. Robert Portman on 3/22/2021 to Performance Tip Of The Week
Chronic Sleep Loss Reduces Protein Synthesis
Sleep deprivation significantly impairs endurance performance. Much of the research correlating sleep loss and impaired performance has focused on the impact of cortisol, the body’s primary stress hormone. Cortisol is a powerful catabolic agent that, among other effects, increases muscle protein degradation. Chronic sleep loss increases...

Circadian Rhythm, Music And Exercise Performance

Posted by Dr. Robert Portman on 3/3/2021 to Performance Tip Of The Week
Circadian Rhythm, Music And Exercise Performance
Every athlete has a preferred exercise time. Previous studies have shown that the circadian rhythm has a significant effect on exercise performance. For endurance exercise, performance may vary as much as 26% and for strength exercise, performance may vary as much as 41% throughout the day.

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