trainer thinks about them.  A good trainer will usually have at least heard about what you read, and be able to provide insight regarding it's pertinence to you and your goals.  A great trainer will impart further knowledge to you so you may understand more clearly the "why" of everything in your sessions, and give you the knowledge you need to train yourself! #4. Your Trainer doesn't have a niche. Anybody who markets themselves asa fitness professional should have well-founded beliefs and practices.  In other words, not only talk the talk but walk the walk.  Trainers range from powerlifters to yoga enthusiasts and everything in between.  The bottom line is: trainers with specializations tend to have greater passion for something besides taking your money.  Of particular importance is that trainers who have goals themselves will likely be more motivated to squeeze every ounce from YOU as well.  If you want it to be easy, you're better off "training" yourself so you can quit when you want to. Ask your trainer about their personal gains; have they been able to accomplish their own goals?  You won't need a polygraph to be able to tell whether or not they're giving you the run-around.  Pay attention to the way they talk about training too; are they passionate and particular, or are they waiting for the end of their shift? #3. Your trainer never talks about other clients. I don't mean that your trainer should talk at length about how bad their earlier client