How to improve the third-year girls 50m

50m 8.3 when I started this two days is 8.4 or 8.5

Despite the increase in performance with age could fall

but yesterday I actually only ran .... 9.0!!! This is so incredible that I have not slow long-distance sprint 800 meters measuring the three third-year sub-4050-meter race in such a way (worse than my sixth grade) because of what

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squat 100 per day divided into three groups to do one minute to run the high leg lift three 50-meter run in about 30 minutes you can not use to do these days, I guarantee that you have made major progress

the best way to practice speed is to accelerate the pace of the frequency and calf muscles, I was formerly in the downhill on the Kuangpao, very effective, post-9 from 6 seconds to 6 seconds 1, but do not throw plastic