Aloha Stuart,
Curious - one more question: Is it better to put paddle behind you when going backside or in front across body? I don't have much oportunity to practice rights so have no preference yet.
If its OK..........can I elaborate and help with sharing my take on this subject? I’ll try to very brief on this surfing technique and try to explain it the best way I can……..Seeing it through my eyes.
Stuart - With the paddle backside it is kind of up to the rider. Waveside or landside it really depends on the wave. I think it is easier to put it landside but I like the look of waveside. I guess it is for each their own. I wish I had a better answer but I don't...Sorry....
Here Byron is right....It's really what feels comfortable for you. It's easier to keep your paddle on the "open side" of your body then across the front side or what I call the "close side" paddle
If you noticed that while your surfing one “feet” is always stepped back? Well your hip/pelvis is open to that side of the board. Which makes it easier to position your paddle there……or what I call the “open side”
For example…a goofy footer going back side at a local beach break will have their left feet positioned back (vise verse for regular foot) so that your body is open to the beach. So lets call this your “Open side”
This is my open-side position. My right hand is on the palm grip & left hand is on the shaft while my left feet is stepped backNow it easy to keep your paddle on your “open side” because your hip/pelvis & “shoulders” are also “open” to the beach side……So that’s why its easier to keep your paddle on that side. You will also see some guys put the paddle on the “wave” side . Now this position I’ll call your “closed side”
This move is very difficult for me because now my left arm is across my body trying to hold position on the wave…..The biggest problem with this is if your blade catches that wall it will put a meant torque on you back and will receive back problems later.

This is my close-side position. Notice the grip & shaft positioning has changed, but my left feet remains in the same positionNow some guys (backside surfers) like to keep their paddle on the wave and switch their blade position
at periodic times, but they don’t reposition their hand placement on the shaft.
If you notice some SUP surfer that surf backside are very versatile and flexible in their movement, their timing and decision is so precise that they will anticipate the right time to put the blade on the beach side while holding a
“close side “ placement on the shaft.
I find it easier to control my board with the paddle on the “open side” then my “close side”. The added benefit with the paddle on my “open side” I can’t see what’s barrelling behind me, so the paddle helps me brace for impact. I don’t think this can be accomplished with my left arm cross my body or paddle positioned “close side”
If you want you can read more on this link:
http://www.standupzone.com/forum/index.php?topic=2666.0OK I hope this has helped you and maybe put an insight on surfing your paddle "open side" while surfing backside…..Remember I’m no expert just some who’s willing to share my “MANA’O”
Aloha………Sam