This is a sepia-toned photograph of a young woman performing a leg extension exercise. She is standing on her left leg, with her right leg extended straight out in front of her. She is reaching with her left hand to touch her raised right foot. She is wearing a light-colored, short-sleeved shirt and dark, knee-length shorts or bloomers, along with dark shoes. Her hair is styled up, possibly in a bun or roll. The background is a rough stone wall, likely part of a building or structure. The lighting creates a strong shadow of the woman extending to the right, mirroring her pose. The overall aesthetic suggests the photograph was taken in the early 20th century, given the clothing style and sepia tone.