Those strokes work and are my preference but need to be done well (i.e. good upper body rotation where you "face your work") to avoid shoulder problems. For a person with history of problem shoulders even occasional lapses in good form can be a problem which is a big part of why a rudder helps those folks.
I used to get sore shoulders after long downwind stretches. Working on my form helped a lot but now and then I'll find myself making a correction without turning my upper body enough. If I had a more serious problem I could see going to a rudder.
Heel and Pegpads™
Paddler's Truck Rack
Kayak Deck Gear Bags
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