A convenient place to tuck stray hair, holders to display chic jewelry, the means of hearing a symphonic orchestra…indeed, our ears serve a multitude of functions! Learn how a sense of balance also...
Physiology
Articles focused on biological processes and physiology relevant for personal trainers and their clients.
Mighty Mitochondria: Powerhouses of the Cells
Mitochondria play a huge role in our energy levels and our metabolic functions. Can we help clients make the most of these cells’ power? As tiny as these organelles seem, mitochondria are the...
Workout Hangover? Blame Training, Not Alcohol
Have clients ever complained of experiencing unusual and daunting exhaustion after several intense sessions at the gym? In addition to a cascade of other physiological processes, he or she may have...
Understanding Respiratory Rate and Exercise: What Personal Trainers Need to Know
Although heart rate and sweat are seen as measurements of a great workout, another big factor in exercise success is the respiratory response. The more your personal training client huffs and puffs,...

Water In, Water out: The Value of Sweating and Hydrating
Sweating is our body’s natural cooling system. It keeps our temperature in check working on an automatic internal thermostat. Think of our pores as the permanent filters in the body system providing...
Helping Athletes Recover From Overtraining Syndrome
Personal trainers may occasionally work with clients who consistently push themselves too hard and too frequently. The ramifications of this habitual body-battering are far-reaching. An athlete or...
Is Your Libido Losing to Your Workouts?
The majority of avid exercisers make the mistake of monitoring muscle soreness when deciding whether their bodies are ready for yet another tough workout. However, overtraining – or...
Understanding Heart Rate Variability Training and How To Use It With Fitness Clients
Heart Rate Variability (HRV) training utilizes today's available technology to assess a heart metric that can provide valuable information about how a client or athlete can maximize their physical...
Good News for Runners: It’s Good for Your Knees
The sport of running has always carried with it the stereotype that it might damage one’s knees. New research aims to change that perception, suggesting recreational running as a panacea for...

Cardiovascular Health and Fitness
The cardiovascular system is foundational to exercise, and our understanding as personal trainers of how it works and how things can go wrong is critical for the performance, success, and safety of...