It can be a maze finding the trainer who is best for you Irv Rubenstein holds a doctorate in exercise science and has run a personal fitness training studio for 35 years in Nashville, Tennessee.

And how frequently should you use a personal trainer? These are just a few of the questions anyone who is searching for a trainer should ask. “How do you discern who is best?" Rubenstein asked.

What about the cost? And how frequently should you use a personal trainer? These are just a few of the questions anyone who is searching for a trainer should ask."How do you discern who is best?" ...

And how frequently should you use a personal trainer? These are just a few of the questions anyone who is searching for a trainer should ask. “How do you discern who is best?" Rubenstein asked.

Irv Rubenstein holds a doctorate in exercise science and has run a personal fitness training ... It can be a maze finding the trainer who is best for you, Rubenstein acknowledged.