摘要:Sit-ups as a physical training methods,plus it is not subject to the environmental impact of the advantages of the site, become easy movement pattern is very suitable for the general public. This design put computer software and hardware technology as one solution, using 51 SCM as the control core, achieve the automatic counting crunches. Specific processes include start, end control, real-time display the count value, tip end of the test, etc. This design has a simple structure, functional, practical, and high reliability.%仰卧起坐作为一种体能训练的方法,再加上它不受场地环境影响的优点,成为非常适合社会大众的简易运动方式。本设计将计算机软、硬件技术溶为一体,以51单片机作为控制核心,达到对仰卧起坐的自动计数。具体过程包括开始、结束控制,计数值的实时显示,测试结束的提示等。该设计具有结构简单、功能齐全、实用性强,可靠性高等特点。