loose-limbed

US /ˌluːsˈlɪmd/
UK /ˌluːsˈlɪmd/
"loose-limbed" picture
1.

having long, loose, and graceful limbs, often suggesting agility or flexibility

:
•
The dancer moved with a loose-limbed grace across the stage.
•
He was a tall, loose-limbed young man, always ready for a game of basketball.
:
agileflexiblelimbersupplegraceful
:
limblooselooselyout on a limbloose-leafloose-fittingloose ball