The barbell back squat is a fantastic way to build strength in the lower body. Start with a lighter weight on the barbell, or just the bar itself if you’re a complete beginner. Gradually add weight ...

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This article was originally published on www.si.com/nfl/chiefs as Josh Simmons Has 1 Simple Activity to Overcome Knee Injury . For rookie Josh Simmons, life has been an amusement park ride since Oct.