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Laurie Hernandez is an artistic gymnast on Team USA.

Laurie Hernandez is an artistic gymnast on Team USA. She took home the gold in 2016, her first Olympics. She is also the winner of Dancing With The Stars.
She took home the gold in 2016, her first Olympics.
She is also the winner of Dancing With The Stars.
Taking her body to the limit comes with the territory of being a professional athlete.

So how does Hernandez work out shoulder and back knots so she can train and compete?
She uses a tennis ball.
Yep, you read that right.

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Then, roll the tennis ball around the parts of your body that feel tight.
If it hurts in that really sore way, you know youve hit the right spot.
Watch the video below for an 8-minute head, neck, and shoulder stretching routine:
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