If you missed it, read the down-low on what Greatist's Renew Year Challenge is all about.

Renew Year Day 18

Drop and give us… 100. Yep, you heard that right. Space them out during the day (10 sets of 10, 5 sets of 20, etc.), or go all-in at once. Does 100 seem too crazy? Modify them (with knees on the ground), or aim for 50 instead.

We know you have arms of steel, but a little help never hurt anyone: Here’s how to do the perfect pushup.

Feel the burn, share the glory.

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