Young woman fitness scene: a woman doing sit-ups on a pastel exercise mat in a bright home gym, wearing coordinated activewear and sneakers with a smartwatch, focused on core workout.

woman female fitness sport workout exercise home workout mat yoga mat sit up crunches core core workout abdominal exercise athletic wear activewear leggings sports bra sneakers training health wellness strength strength training smartwatch fitness tracker dumbbell light weight indoor home gym living room lifestyle portrait young woman focused concentration stretching flexibility posture balance wellbeing routine healthy habit motion