Prompt

Heavily muscular adult man with substantial muscle mass, wide shoulders, thick neck, large chest and arms, powerful thighs, and dense bodybuilding proportions; A muscular adult man with short dark hair and clean-shaven jaw sits shirtless on a wooden stool, viewed from behind-left in profile; He wears white loose-fitting shorts with an elastic waistband and drawstring detail at the front center; His left hand rests on his thigh near hip while right arm bends forearm against side of body; head turns slightly to viewer's right; Sculpted upper back displays defined latissimus dorsi, trapezius muscles, prominent shoulder definition, and visible abdominal musculature along lower torso; Entire back from neck to waistline is exposed with shoulders and upper arms shown; Indoor studio setting features dark indistinct background suggesting shallow depth of field; Strong directional pink rim light casts highlights on spine, shoulders, hair edge; soft fill creates subtle shadows across muscles; High contrast moody chiaroscuro fine-art athletic photography portrait composition centered occupying majority vertical frame; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces