If it hurts or is uncomfortable, you are making the right call by stopping. I often see older women lifting weights that seem too heavy for them and they tend to get injured.
What about something like swimming? It's certainly a good way to work out your arm muscles, but you have the support of the water to keep you from hurting yourself. I mostly do backstroke--it is really great for your upper arm and back muscles.
Dances: salsa (standard/LA), casino, rueda de casino, cumbia Colombiana, bachata, mambo, cha-cha-chá, merengue, reggaetón.
Currently learning: Mexican cumbia, danzón, Cuban rumba
Dances to Learn in the future: flamenco, tango Argentino, samba, belly dancing, bhangra, ballroom rumba
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