An illustration showing a person performing a four-step knee-to-chest stretching exercise sequence on a mat.

Please generate four side view illustration images A, B, C, and D based on the spec: Lie on your back and head with your knees bent and your feet flat on floor (A). Using both hands to hold and pull up the right knee and press it toward your chest and the left leg still at the starting position (B). Return to the starting position and repeat with the left leg (C). Go back to the starting position. Then repeat with both legs at the same time (D). See more