close up of woman doing abs exercises with weight plate while sitting on sport mat on gym floor. side view, sporty girl wears

abdominal abs activity adult athlete attractive balance beautiful bodybuilder caucasian crunches determination effort endurance equipment exercise female fit fitness floor girl gym healthclub heavy holding indoor legs lifting muscle muscular people person physicalactivity plate position practicing situp situps sport sportswear sportswoman strength strong training weight weights wellbeing woman workout young