New answers tagged core
You may want to do back extensions instead. They're at least a more well known exercise that work the same muscles and are the lower back analogue of knee raises in a lot of ways.
I really think Morning Yoga would be great for that time slot and it's obviously quite quiet. It doesn't have to last long to be beneficial (if you type whatever time frame you'd like to work with in youtube, like "3 minute yoga"- "1 hour yoga" there are videos there that would fit your time frame if you want to use a video) and it will help to not only get ...
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