About Christina Klein

Kids can strength train.  And they can benefit from it.  Don’t stop reading this article until you’ve seen the science and learned the techniques to keep kids safe when you’re training them.

Should you really be cutting back on carbs to achieve weight loss and muscle mass?  Ever since low-carb diets exploded onto the weight-loss scene, carbohydrates have been demonized, avoided, and targeted as a dietary evil.   But here’s the truth: we all need carbohydrates in our diets, every single day. Period.

Have you seen people foam rolling in the gym before and wondered if this is just another fitness fad, or whether it's actually doing something?

What you don’t know about your clients’ past injuries could be turning your workouts into torture sessions and ending client relationships).  If you don’t ask about clients’ scars, are you setting them up for “renewed” injuries and more pain?

Have you wondered whether people should eat before or after a workout? Maybe you have heard of nutrient timing and the anabolic window, but the theories about when and how to use it are confusing. Let's take a closer look at the science of nutrient timing.

As a personal trainer, you already carry a TON of responsibility on your shoulders.  You're accountable for safely guiding your clients through the fitness and lifestyle protocols that will help them achieve the results they’re paying you good money for....