<![CDATA[This study aims to determine the effect of plyometric training forms, namely forward hops and plyo jacks training forms as well as froghops and split squat jumps training forms on increasing leg muscle strength and leg muscle power. The method used in this study is a quasi-experimental with a quantitative approach. Data collection used a two-group pre-test-post-test design. The subjects of this study were 39 students of SMAN 1 Krian in Sidoarjo Regency. This study used measurements of leg muscle strength with a foot dynamometer and a leg muscle strength measuring tool using a jump MD. In conclusion, leg muscle strength increased by 9.6% and strength increased by 4.76% from the pre-test and post-test results. So the conclusion of the results of this study is that the form of group 1 and group 2 training forms have an effect on leg muscle strength and leg muscle power, for greater effectiveness and influence, namely in group 1 with forward hops and plyo jacks training forms for muscle strength and leg power.]]>
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