What are some good arm exercises?

My ankle is currently injured and I want to stress it as little as possible when doing my usual exercises, which used to just be a walk around the neighborhood. So far I’ve done bicep curls, and positions that involve me either laying on my back or standing up. I’m trying to involve my lower body as little as possible, push ups probably aren’t going to be an option either, any ideas?
What are some good arm exercises?
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