The image is a vintage illustration, likely from a medical or physical therapy text, depicting a person in a side view performing a gymnastic exercise. The person is shown with a simple line drawing, emphasizing the skeletal and muscular structure. The person is standing with one leg slightly forward and the other back, suggesting a walking or stepping motion. Both arms are extended horizontally to the sides, at shoulder height. The head is depicted as a simple oval with an eye indicated. There are numbered lines extending from different parts of the body (head, shoulder, hip, knee, foot), likely indicating points of focus or measurement for the exercise. Above the illustration, there is German text: 'I. Gymnastik.' and 'Aktive Bewegungen. Freiübungen.' followed by '1. Gangstehend Armheben unter Tiefatmen.' Below the illustration, there is text 'Fig. 1.' and a signature. The background is a pale yellow color, giving the image a vintage feel.