I agree, the seat looks a little low. It's my experience that new riders usually think a seat at the proper height is too high. In fact I accidentally scared a friend who was thinking of getting a bike and going riding with me when she saw how high the seat is on my bike (it's actually higher than usual in proportion to the rest of the bike because I'm so short-waisted and long legged that in order to get the top tube short enough, my frame is just a little short for me for standover). She backed out so quick it left a vacuum, LOL!

Gloves that are too small will cause some numbness or pressure points, you might try the next size up. When I was thin I wore XS gloves or kids gloves; now that I'm *MRRRPH ahem* not so thin (cough cough) I wear a women's medium. That took more getting used to than going from a 2 to a 16. 18. 16. Well it varies a little.

Changing hand positions is really important for wrist and hand problems, that's why some people do better actually with road bikes than mt. bikes, a road bike offers so many different ways to hold on. Bar ends are probably a really good idea on your hybrid, as others have mentioned already.