As we age, we tend not be as nimble in our thinking as when we were younger-we know too much and can see all the potential problems.
Although her Mars makes no major aspects, Linda Goodman's Mars in Gemini would have made her intellectually curious, nimble and energetically "quick".
Gemini's hands are particularly nimble and dexterous, so any profession that requires detailed product carvings would be a good fit.
We soon had an assembly line set up in our living room - those with nimble, unscorched hands were burning CDs, printing stickers and inserts, cutting the inserts, applying the stickers and putting the whole thing together.
Regular exercise, if done in a sensible manner with proper warm-ups and cooldowns, keeps the joints nimble and healthy.