Hello Leah Smollin,
I attach a link for you to look into your request with TRX:
NAPS 2 B Fit
I’m sure you could contact TRX and ask to host a GTC or and STC (their intro course for group-ex and for personal trainers). It’s a great product and their education is top notch.
If you’re looking at implementing TRX, you might also look into the CrossCore product. It does everything a TRX does when you lock the pulley mechanism. However, if you engage its pulley, it’s a way more versatile piece of equipment. Since it’s a pulley instead of a fixed anchor at the top, it takes more left/right balance to do each move, it allows for unilateral movement, and it makes assessment and corrective exercise a dream. For example, if someone is weaker on their left side and you watch them do a TRX chest press, as a trainer you might not see it because the straps are a fixed length and the client won’t tip or collapse to one side unless there’s a big dysfunction. When you do the exact same exercise on a CrossCore, because of the pulley, the client is going to tip to the side that is working harder, and you can see it right away. When I see an imbalance, I put that client on a 3 to 2 or a 2 to 1 ratio of unilateral exercise, i.e 3 biceps curls on the weak side to 2 biceps curls the weaker side. The other thing that’s cool is that the handles clip off, so you can attach bars, kettle bells, MMA grips, etc. instead of the standard handles, offering more options for grip, arm position, and if you attach a kettle bell to one side only, you’ve got yourself a cable machine.
CrossCore also has a certification. When I used to teach it, it was 6 hours and offered CECs for NASM, ISSA and ACE. They may be more expansive now, as I haven’t been a CEC provider for them since 2013.
You can’t go wrong with whatever you choose. TRX is a practically a household name, and it’s a great product. CrossCore is less known, but its usability far exceeds that of TRX.
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You should contact TRX. They used to have a lot of people teaching all over the world. I have not looked into it personally. I started using gymnastics rings and other suspension equipment 45 years ago. I use it periodically with clients and my own training. It has always been a viable option. I hope you are satisfied with what ever you choose to do. You can contact me through my profile if you would like to discuss this further.