suppleness

noun
1
the ability to bend and move parts of your body easily into different positions
انعطاف‌پذیری, نرمی, انعطاف‌پذیری جسمانی, انعطاف بدنی
2
the quality of being soft and able to bend easily without starting to split
نرمی, انعطاف پذیری, انعطاف