The Brain’s Protein Reward System
Posted by Dr. Robert Portman on 6/16/2022 to
Performance Tip Of The Week
There are specific reward centers of your brain responsible for food cravings. Dopamine is the brain chemical associated with reward. For example when you eat chocolate, dopamine is released and you feel rewarded. This same mechanism has been shown to influence food cravings for fat rich and high sugar foods. Scientists have now identified...
Less Is More...Proven Once Again
Posted by Dr. Robert Portman on 11/10/2021 to
Performance Tip Of The Week
Timing plays a critical role in nutrient consumption both during and post exercise. To better define the critical role of nutrient timing during extended exercise, researchers conducted a well-controlled protocol using runners on a treadmill. The subjects were divided into two groups. One group consumed...
Four Fueling Tips To Extend Endurance
Posted by Dr. Robert Portman on 10/18/2021 to
Performance Tip Of The Week
#1. Less Is More: Although your G.I. tract has the capacity to absorb 45 to 50 g of carbohydrate per hour, keep in mind this is a rate – about a gram per minute. If you consume 45-50 grams in a few minutes you’ll be exceeding your GI capacity and lose much of the benefit. Consume your calories in smaller feedings every 3 to 5 minutes to ensure greater absorption and delivery of more energy to working muscles.
Why Your Sports Drink Should Contain Antioxidants
Posted by Dr. Robert Portman on 9/30/2021 to
Performance Tip Of The Week
Accelerade was the first sports drink to combine carbohydrates and protein in a 4-1 ratio, electrolytes and antioxidants in a patented combination. The addition of antioxidants is essential because free radicals produced during exercise...
How To Prevent Post-Exercise Muscle Soreness
Posted by Dr. Robert Portman on 9/24/2021 to
Performance Tip Of The Week
Although the evidence for the benefits of recovery nutrition has been proven in many peer reviewed studies, we continue to learn more about the underlying science. The original research demonstrated that combining carbs and protein in a 4:1 ratio stimulated protein synthesis and repair following endurance exercise. These effects translated into enhanced endurance performance in a subsequent work out.
What Causes Muscle Memory?
Posted by Dr. Robert Portman on 9/10/2021 to
Performance Tip Of The Week
Every athlete is familiar with loss of muscle fitness following an extended break in training. It's called "detraining" or "deconditioning". It occurs rapidly. For aerobic athletes, after two weeks of no training there is a measurable drop in VO2max. After four weeks...