There are many different types of public and private schools that offer programs towards Professional Trainer Certification. There is no degree required, you can acquire this certification at technical schools as well as colleges. The school must be accredited with the NCCA (National Council of Crediting Agency) for your certification to be valid. You should look for schools that offer programs in "Sports Medicine". This is typically where the Personal Trainer Certification program is found.
maybe human anatomy and biology, physiotherapy
In order to become a personal trainer you should be in excellent condition. You should also learn a lot about health and fitness.
You do not need any major qualifications to become a bosu balance trainer. This occupation is similar to a fitness trainer and should not need more than a high school diploma to get ahead.
To become a personal trainer, you should be able to choose between taking active classes or getting an education through the internet. However, you can find more information about this on the wikipedia page.
If you want to become a fitness trainer and get your fitness trainer certification, then you should enter and pass an education standards for personal trainers like The ACE (American Council on Exercise)
In general, it would seem unprofessional for a personal trainer to ask a client for personal favors.
Most students interested in a career in personal training usually receive their education through a serious of one or more seminars. You should make sure your program is certified through the American Fitness and Aerobics Association.
All personal trainers are required to have the very same certifications. Look at acefitness.org to figure out the certifications your trainer should have.
This is a good website which should answer your question about print personal trainer forms: http://www.starting-a-personal-training-business.com/personal-training-forms.html
Yes, if you get a personal trainer insurance, you can have someone there to help you with your trainings and they can guide you and give you professional information that you need to know.
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If you have a bachelor's degree in a fitness-related field, then that is a good thing, but it is not necessary to become a good trainer. You can go to fitness instructor school to become certified for instruction. It takes most people a few months to become a trainer. You only have to study 7-10 hours a week, so you do NOT have to go back to school full time.