男人半蹲扶着膝盖感到膝盖酸痛图片

A Chinese athlete is experiencing pain in the groin area, with a red infrared thermal imaging highlighting the painful region. The image is extremely clean, with a completely white background, no background clutter, and no decorative lines. The composition is complete, with the lower body fully visible without cropping, a 3:4 aspect ratio, commercial photography style, and a medical education style.