A young male diver performing a backward somersault

Video clip: dive, a backward somersault, performed by a young male of professional ability with a platform recorded from the side view.; Task: dive, backward somersault.; Actor: young male diver.; Equipment: platform, in laboratory.; View: side view.; Trial: 1.视频片段：由具备专业竞技水准的年轻男性运动员完成的向后空翻跳水动作，采用侧视角录制；任务：向后空翻跳水动作；受试者：年轻男性跳水运动员；实验设备：实验室跳台；录制视角：侧视角；试次：1。