portrait of mature woman stretching her neck and looking away at yoga class

1080 1080p 1920 1920x1080 2160 3840 3840x2160 adult arms away balance beautiful beauty body care carefree caucasian class club concentration conscious exercise female fit fitness flexibility focused gym gymnastics health healthy instructor lifestyle looking mature one outstretched people person pilates pose posture practicing relaxation slim sport sports strength stretch stretching training uhd video warrior wellbeing white woman yoga