Athletic blonde woman in activewear doing sit-ups exercise routine at gym

situps woman gym exercise routine abdominal exercises activewear fitness inspiration ab exercise athletic blonde abs fitness model abdominals workout routine calisthenics crossfit core workout inspiration work up a sweat situp health journey exercise strengthen fitness goals real time muscles strength and conditioning ab workout body weight swedish fitness workout attractive working out wellness wellbeing get in shape beach body health and wellness sporty blonde performance gym motivation healthy living gym culture body transformation fit athlete health