Female fitness portrait of a woman in activewear holding a dumbbell and towel, demonstrating arm extension and strength training with focused expression against a neutral gray studio background.

fitness woman female athlete workout exercise dumbbell hand weight towel activewear sportswear fitness top high waist leggings strength training resistance exercise midsection toned body fitness concept studio portrait gray background minimal background confident pose arm extension stretching warm up personal training healthy lifestyle athletic slim figure focused expression wellness balance posture static pose wristwatch smartwatch fitness tracker home gym i