...not really if in drysuit. When using a heatvest I personally find the front clip on the harness a bit disturbing depending on how I route the cable. Thats (at least for me) the only thing I realized so far....
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I've had neck surgery once and lumbar surgery twice. So personally I drop out of trim and stretch on longer dives, and try to move around on deco. Depending on the dive this is either easy or a real heartache to do.
I would also work really hard on getting your static trim near perfect and reduce any weight belt to the maximum extent practicable/safe. My single tank belt is pretty heavy and its constantly hyperextending my back, so on OC using doubles, a V-weight, and a smaller belt are a huge help. On my Megaladon I use a DSS steel plate with 8lbs of integrated lead. Getting the lead out/off the small of your back and only the Revo frame itself is worth trying. Keep some ditchable of course but it doesn't have to be 12-14kgs..
I think @Eric Sedletzky makes freedom plates. You might be able to work with him to make a nice custom solution. I don't own a freedom plate yet, but they have a strong following.Much obliged for your feedback.
"I've had neck surgery once and lumbar surgery twice. So personally I drop out of trim and stretch on longer dives, and try to move around on deco. Depending on the dive this is either easy or a real heartache to do."
My arthritis is in the lower back and I find it is the horizontal position of the back while in trim that causes it to become inflamed.
"I would also work really hard on getting your static trim near perfect and reduce any weight belt to the maximum extent practicable/safe. Getting the lead out/off the small of your back and only the Revo frame itself is worth trying"
This is what I have done with the rEvo so far, all the weight is on the unit, there is none on me. The only progress I've made to date is experimenting with pieces of rubber inserted onto the waist belt to push the lower back down a fraction when in trim. I'll keep you all updated if I come across a solution that works.
Can't help but think there must be a market for adjustable backplates like the adjustable lumbar supports you find in all office chairs.
I think @Eric Sedletzky makes freedom plates. You might be able to work with him to make a nice custom solution. I don't own a freedom plate yet, but they have a strong following.
Have you considered a heater system? Heat is renowned for helping with arthritis and there are a plethora of manufacturers selling suit heating systems these days. DUI, Patco, Golem Gear, UTD, Light Monkey and many more all sell electric suit heaters. They're expensive, but could be a real help. Some of those are intended for drysuits, some for wet.