(VIDEO) Matt Grevers Crushes Heavy Dumbbell Curls For Fun

(VIDEO) Matt Grevers Crushes Heavy Dumbbell Curls For Fun

Everyone knows bicep curls are the key to fast swimming, right?​ Six-time Olympic medalist ​Matt Grevers sure does.​

How did Grevers -- at age 32 -- pick up a pair of medals at this summer's 2017 FINA World Championships in Budapest? Some may say intense focus and hard training, but let's be honest -- bicep curls.

Feast your eyes on the video above for some motivation to hit the gym.

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