Have you tried an elliptical machine yet? I have and I’m so glad I invested in it. It was a little rough on me at first, causing a little aching in my legs but as I got used to it, it’s gotten much better. It’s a great workout. I use mine a couple of days a week, and when it’s raining and I can’t do my usual running and walking outdoors, it makes for a great alternative to get in my workout. I didn’t think I’d like something like this but I was happily surprised!