balance board exercise core stability training
Prompt
Photorealistic low-key fitness studio scene of a fit adult woman training core stability on a blue exercise mat, using a generic round balance board under one sneaker while performing a controlled bicycle-crunch variation. She is shown from a side angle, full body on the mat, shoulders lifted, hands behind head, one knee raised and the opposite leg extended; her face is turned away and naturally hidden by hair and shadow. Dark charcoal wall and black rubber gym floor, dramatic soft side lighting emphasizing muscle tone and balance, calm focused mood. Cool navy, black, and warm skin-tone palette, horizontal composition with negative space, shot on 35mm lens, f/2.8, shallow depth of field, realistic texture.
Negative Prompt
recognizable face, brand logos, shoe trademarks, readable text, watermarks, famous gym location, awkward cropped limbs, extra fingers, distorted anatomy, plastic skin, oversaturated colors, HDR halos, harsh artificial filter