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you are like me if you have back problem use a support belt even when diving it will help.View attachment 819639View attachment 819640View attachment 819641View attachment 819642I’m a recreational warm water diver 1 tank and use a scubapro go bcd with integrated weights. I have chronic lower back pain and this recent trip to Bonaire was tough. I do shore dives but valet style with husband carrying my gear into the water and I gear up there (lucky me). I would love feedback on my trim in trying to determine if I need to upgrade my gear to better support by back, work on my trim or just do core strength exercises. Any feedback is welcome.
Positioning looks good. However, it's easy to compensate for an imbalance when kicking. Such compensation MAY contribute to lower back issues. Ideally, your orientation would not change if you stop kicking. Usually flat is good because kicking doesn't change your depth, but it's cool to hang head down without kicking to look under ledges. The point is you stay in whatever position you put yourself in without work to stay there.
I do feel 18 lbs is probably more weight than you need with what appears to be a 3mm shortie. You would need to do a check at 10-15 ft with minimal tank pressure and empty BCD to test that theory.
You can approximate it in a pool with a full tank by taking off 10 lbs (5 lbs since you have a full tank and 5 lbs for the salt/fresh water difference). Just note that your trim may be different in a pool, but ignore that. First establish total weight, then work on distribution.
ahh a understand you ! two aleeve before a dive feel good for meI have suffered from lower back pain due to degenerative disc disease (DDD) in 4 discs (L5, L4, L3 & L2). I can no longer sleep on my tummy anymore for the same reason. I train 6 days a week, very 'trim', weight wise - BMI under 24, with a strong core. Unfortunately, over the years the solution that I found to work the best was pain killers, to take ibuprofen before each dive. This may not be acceptable to you. But for me the 'pain' was from my verterbrate rubbing against each other due to the DDD.
Very best of luck with finding a non-medication solution.