A young female soccer player heading while kneeling

Video clip: head, while kneeling, performed by a young female of intermediate ability with a soccer ball recorded from the front view.; Task: head, kneeling.; Actor: young female soccer player.; Equipment: soccer ball, on grass.; View: front view.; Trial: 1.视频片段：由一名中等运动水平的年轻女子足球运动员，以正面视角录制的、搭配足球完成跪姿头顶球动作的片段。任务：跪姿头顶球。动作执行者：年轻女子足球运动员。器材：足球，场地为草坪。拍摄视角：正面视角。试次：1。