Best news ever! If you want to get stronger, you have to rest. Your muscles need time to repair themselves — this is when the strengthening actually happens. Even though today is a "chill day" in our Just Press Play workout plan [1], it's not an excuse to just sit around. Go for a 20-minute walk to get your blood flowing to help feed your weary muscles — this can even be shopping. Seriously!

And why not take some time today and create a new playlist full of motivational tunes to crank up when you feel like skipping out on your next workout? Here is a list of 100 heart-pumping songs [2].