Heavily muscular adult man with substantial muscle mass, wide

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Heavily muscular adult man with substantial muscle mass, wide shoulders, thick neck, large chest and arms, powerful thighs, and dense bodybuilding proportions; Asian man with tanned skin and short buzz cut, clean-shaven chin with light jawline stubble; Seated on black gym floor in full-body shot, torso leaning back supported by left arm extended behind him while right hand holds smartphone near face; Wearing black ribbed tank top covering upper torso and dark gray athletic shorts ending mid-thigh exposing lower abdomen above waistband; Broad shoulders, defined biceps and triceps, thick thighs, heavily muscular waist; Indoor studio space with white line markings on carpet against dark wall background; Soft directional lighting highlighting musculature and skin texture creating high contrast dramatic shadows; Athletic photography emphasizing strength training physique; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces