Video prompt: A mesmerizing synchronized swimming routine, where athletes glide seamlessly through patterns in sparkling water, synchronized routines captivating and delighting the audience poolside.
Defect: Deformation (any reason involved with a movement)
Explanation: The arm of the synchronized swimmer in the water appears twisted at an unnatural 360-degree angle, creating an impossible and distorted visual effect that defies normal human anatomy. This extreme twisting is highly unrealistic and visually jarring.