Prompt

A muscular masculine man seated on gym equipment, mid-torso to upper thighs centered. He wears a black Nike tank top with white swoosh and black athletic shorts with blue side stripes. His right hand grips the handlebar while his left arm rests near his thick thigh. Direct high-contrast lighting highlights defined anatomy against a gray wall background. Vertical portrait orientation captures broad shoulders, biceps, triceps, and thick thighs in an intense fitness photography style., a single uninterrupted photograph only, no written words or typography anywhere in frame, no captions, no app UI, no social-media post layout, no screenshot borders