Based on the observations of researchers in the field, the men's volleyball team at Madrasah Aliyah Muhammadiyah (MAM) Pekanbaru still has many shortcomings. One of them is leg muscle power when jumping when doing a smash or block or during jump service. So that when doing a smash or block it is not optimal as well as when serving jumps, many do not enter like being hit in the net. The same is …