young woman doing upward plank pose foot on knee or purvottanasana foot on knee exercise

female woman girl yoga fitness exercise vector people isolated gym health sport character lifestyle training healthy meditation body workout freedom relax zen plank physical spine gymnastics asana foot hobby studio active balance mat pranayama attractive beginner fit flexible hatha indoor pose position posture restorative slim standing supine upward african american black young knee purvottanasana exercise flat white background