fitness enthusiast, muscular build, intense expression, sweat glistening, gym wear, tank top, shorts, lifting heavy dumbbells, dynamic pose, flexing muscles, gym setting, workout machines background, high contrast lighting, sharp focus, determination, strength, energy, vibrant colors, textured skin, realistic, action shot, mid-motion, powerful stance, steel grip, chalk dust floating, mirrored walls, gym motivation poster, close-up on tensed muscles, dramatic shadows.