Fats serve many purposes in the body including insulation against ambient temperature, cushioning in and around the joints, hormone production, and, yes, as a source of fuel.
Exercise Science, Biology, and Research
Health and fitness articles for personal trainers rooted in exercise science, biology, anatomy, physiology, health psychology
Diets Don’t Work
Diets don't work. Millions of people each year diet and come to the conclusion that diets don't work. Perhaps a new approach is needed. Actually, it is not a new concept, just a different view. With...
Improving Cardiorespiratory Endurance
Improving cardiorespiratory endurance shouldn't be a goal for athletes only. Here's what personal trainers need to know about this important general fitness variable. Cardiorespiratory Endurance =...
Dealing with Piriformis Syndrome
As fitness professionals, we often hear complaints from clients about various muscle aches following tough workouts. Typically we can dispel their fears by explaining the principle of DOMS...
The Role of Insulin in Weight Training: What Personal Trainers Need to Know
Insulin is one of the body’s most important hormones, and it is of particular interest for bodybuilders who train naturally.
What is the SAID Principle?
There is little room for argument that every sport poses its own unique demands. So in order to improve skills unique to a particular sport, it’s best to practice the moves used in that sport. That is the concept behind the Specific Adaptation to Imposed Demands (SAID) principle.
Is There a ‘Male Menopause’? Testosterone Decreases with Age
Is there a ‘Male Menopause’? The accurate answer to this question, of course, is no, as menopause refers to the cessation of menstruation in women. However once a man reaches the age of 30, the testosterone production in his body will decrease by an average rate of 1-2% per year.