For more specific considerations like training for a sport or athletic competition, your trainer will need a higher degree of expertise. The American College of Sports Medicine has a great program and is one of most recognized certifications for sport specific training.

You should ask very specific questions about how a potential trainer is going to tackle particular issues that you want covered during your training program.

Facility

Regardless of your potential trainer's credentials and professionalism, you need to know where you are going to train. The industry standard of only working out at a gym is being challenged more and more these days. It is possible now to find a trainer who will come right to your house and train you, or possibly meet you outside, or in your housing area community fitness center. Don't fall into trap of thinking that you have to go to gym if you want a personal trainer!

Schedule

One of biggest issues for trainers and clients alike is scheduling. After all, you both have to be in same place at same time for a minimum of 30 minutes, and possibly as long as 90 minutes. A good trainer will try to find a way to fit you into their schedule. It won't always be possible, especially with a highly sought after trainer, but if trainer truly wants to help you, they will do their best to fit you in.

Rapport

Having a good rapport with your personal trainer is crucial! If you and your trainer don't get along, it's a waste of time for both of you. You will likely end up more frustrated than ever, thinking that even a professional couldn't help you!

Working with a personal trainer that you like is necessary, and on flip side, trainer should like you as well. You don't necessarily need to pick out curtains together, but you should at least be able to carry on a comfortable dialogue while you exercise. Most good trainers are good communicators as well, but if two of you aren't very comfortable with each other, then it will cause tension and increase risk of your program meeting with failure.

A good personal trainer will agree to meet with you face to face before you actually sign up for a training program. Some trainers offer a free or low-cost initial consultation, and that is perfect time to size up your trainer to make sure they fit your needs!

You should take home fact that definition of a good personal trainer is someone who is not only a professional, but is also appropriate for your specific personality, needs, goals, and desires. You may be working with this person for awhile, so choose wisely!