在通常测验头上前抛实心球项目时 ,由于落地点痕迹不清 ,影响了测验成绩的准确性。下面介绍一种准确、快速的沙坑测验法。一、场地布置在跳远沙坑后面划一条与沙坑后沿平行的起掷线。起掷线与沙坑的距离以《达标》评分表中的最低分值确立 ,然后用标枪分别将两根皮尺顶端（铁环 When the normal quiz head is thrown at the front of the solid ball, the accuracy of the quiz results is affected due to the unclear location traces. The following describes an accurate and quick sand pit test method. First, the venue layout behind the long-distance bunker draws a parallel to the bunker trailing line. The distance between the throwing line and the bunker is established with the lowest score in the “Standards” scale, and then the top of the two tapes are respectively