Limber (adjective)
A ballerina should has limber limbs. Those with rigid bodies should not be dreaming to be ones.
what thesaurus.com says about this word:
Synonyms: | agile, deft, elastic, graceful, lissome, lithe, lithesome, loose, nimble, plastic, pliable, pliant, resilient, springy, spry, supple |
Antonyms: | rigid, stiff, straight, unbending |