[…] strong, powerful, burly, hefty, husky, robust, sturdy, sinewy, stout, strapping, beefy, tough, athletic, mighty, rugged, stalwart, vigorous, hardy, wiry, Antonyms delicate, ectomorphic
[studysite.org]
Physical therapy and exercise help prevent muscles from contracting permanently around joints and avoid curvature of the spine.
[cedars-sinai.edu]
I also walk with a slight limp and curvature of the spine (scoliosis).
[buzzfeed.com]