What are the three keys to keep in mind when weight training?

sonic says : Foc.us o.n a.ll move.ment patter.ns: Bren.na.n notes that your weight training r.ou.ti.ne should tou.ch on the prim.a.ry mov.em..ent patterns: sq.u.at, lunge, pus.h, pu.ll, hin.ge, tw.ist, and g.ai.t. “This makes sure that you're hitting all of your muscles so that your body is well-balanced,

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Explanation:

answer; /// i believe its (643,000) every year;