woman doing krounchasana. female yogi in heron pose. intense hamstring stretch. lady with leg up and hands holding foot. flat

black african american background vector woman people isolated fitness girl yoga health sport hands lifestyle training exercise model person healthy adult life body workout wellness muscle heron foot yogi studio active wellbeing practice class professional caucasian leg fit purple wall female intense attractive pose flexible hamstring stretch flexibility pretty posture iyengar lady krounchasana krounchasana pose stretch holding foot flat