Heavily muscular adult man with substantial muscle mass, wide

Prompt

Heavily muscular adult man with substantial muscle mass, wide shoulders, thick neck, large chest and arms, powerful thighs, and dense bodybuilding proportions; an anonymous figure man with short buzz cut and clean-shaven face, shirtless wearing white ribbed cotton tank top over bare chest to mid-hip; Seated on black folding chair in front of full-length locker room mirror, legs spread wide apart displaying thick quads with visible vein patterns on calves; Left hand resting on hip while right hand holds black smartphone at eye level for selfie capture; Modern gym setting with dark gray tiled flooring and wall-mounted lockers; Overhead recessed LED lighting casting even illumination across face and upper body; High-resolution smartphone photography, shallow depth of field blurring distant weight rack equipment in reflection; Natural skin tones preserving pores and fine hairs; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces