high contrast image with strong woman in boxe defense posture. training alone and sport athlete people. concept of self defence

40s 50s active age alone athlete athletics black body boxe boxes cardio closeup concept contrast dark defence defense empowerment exercise female fit fitness gym healthy high image imanathlete leisure lifestyle loss mature middle model muscular one people person portrait pose posture power punch self shadow sport sportswoman strenght strong studio tattoed training weight wellness woman workout years