Focused Bodybuilder in Gym with Intense Expression

photorealistic fitness portrait of a muscular adult male bodybuilder standing in a gym, shirtless with defined chest, shoulders, arms and abs, wearing bright blue compression leggings, holding a low cable handle at waist level during a cable curl or pressdown movement, three-quarter stance facing slightly left, intense focused expression, short styled hair and trimmed beard, vascular physique, cable machine and weight equipment surrounding him, large windows and industrial gym interior in the background, shallow depth of field, high contrast cinematic lighting, strong directional light from the side highlighting muscle definition, subtle rim light, realistic skin texture with sweat sheen, gritty athletic atmosphere, professional DSLR photography, 50mm lens look, sharp subject, softly blurred background