Of course, both will help - an ergonomic keyboard gives you a more natural angle of attack. Ergonomic keyboards are ok, but a correct typing position will make more of a different than an ergonomic keyboard. That took planning and effort though, which most people aren't going to invest in a new way of doing something (typing) that they can already do. Your wrists should not be in contact with anything while you’re typing. and as a bonus, I don't need to un-learn flat keyboard qwerty to make it work.
I switched to Maltron for my Kinesis, and that is just a night and day difference. I couldn't use it, because then I'd just need to learn 'proper' touch typing all over again in an even less efficient way than I do right now with flat keyboards. Others have compact, flat designs to reduce wrist extension and encourage better wrist posture. This action has been noticeably improved on the Microsoft Ergonomic Keyboard with the spacebar now activating smoothly across the entire width. Many of our keyboards are split in half and positioned on an angle to provide increased comfort during typing. A common complaint about the now-discontinued Microsoft Natural Ergo Keyboard 4000 was that activation of the spacebar could be somewhat stiff or 'sticky'. It's a problem with the inefficiency of typing on it, and the strain that typing patterns put on your hands. Good ergonomic keyboards are designed to position your hands, wrists and arms in a natural, relaxed position when typing. Simply called the Microsoft Ergonomic Keyboard, it gets some modern tweaks, but retains the excellent layout of the original. Today, we examine the latest generation of the same. A Kinesis Advantage in qwerty is little better than any other sculpted ANSI/ISO keyboard. The Microsoft Natural Ergonomic keyboard is a legend to this day for offering a well-designed, ergonomic typing experience without breaking the bank. The problem is there's virtually nobody willing to learn newer and better layouts that are advantageous in an ergonomic sense. but for actual ergonomics and comfort, I greatly prefer my customized Kinesis Advantage 2. The two sides of the keypads are arched in a natural flow to the middle in a domed shape that is proven to help reduce pain and injury from continuous typing. If I'm going to be using a qwerty for a lot of typing, the Microsoft Natural 4000 is decent enough I guess. This keyboard features advanced ergonomic principles with a split keyboard design which keeps the wrists and forearms relaxed, with the cushioned palm rest providing extra support. but to be honest they're mostly all trash. I've probably used most of them at some point or another. Like the Comfort Desktop 5050 is a joke of a flat keyboard with a slight curve.
So many of these aren't even properly "ergonomic" keyboards.