Video prompt: An adventurous whitewater rafting expedition tackles rapids and swells, group paddlers united against nature's moistened force seeking thrills and adventure upon wild waterways.
Defect: Deformation (any reason involved with a movement)
Explanation: As the man rows the boat, his body undergoes noticeable deformation, giving it an unnatural appearance. The oar also distorts and becomes blurred, further disrupting the realism of the scene and creating an unclear and unrealistic depiction of the rowing motion.