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Sprint Speed KPI Checklist: https://shorturl.at/N3Bp2
Guide to RSI testing and application: https://www.scienceforsport.com/reactive-strength-index/?srsltid=AfmBOoqBgL7cvkyPJtUsExbn__wZ1weJMANkwhEkar3WaFKzKiundLM5
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For business inquiries or if you have a question, please email:
justjumari17@gmail.com
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I’m Justin, a S&C Coach. I help athletes run faster 40-yard dashes & short sprints
I’ve helped multiple athletes 4.4 in the 40yd. I’ve also trained Division 1 soccer, basketball, football & track athletes with video proof on my homepage website.