Original Image

Prompt

A realistic anatomical skeleton with visible muscles and spine, seen from the back. The character gently tilts the head upward, pausing briefly, then lowers it downward in a controlled and natural motion. The cervical vertebrae articulate smoothly. Trapezius and neck muscles stretch slightly with the movement. The motion repeats in a calm, looped rhythm. Camera is static and focused on the neck and upper back region. Duration: 5 seconds.