WATCH: Daytime local news & Bay Area hot topics: ABC7's 'Midday Live' after 'The View'
What you likely can't see, but the trainer in the corner of the gym can, is that there are tiny little adjustments you can make to vastly improve your form.
If someone were to tell you to do a burpee right now, would you first jump up? Or first, hit the floor? And when you do a squat, do your knees go forward or out to the sides?
RELATED: New Bay Area gym specializes in CrossFit training for kids with autism
If you're not quite sure-go ahead and watch that short video above to see some quick tips from San Francisco trainer Jonathan Hanna.
And if you want to learn more, check out our other interview with Jonathan below about why he says daily intermittent fasting (yes, that means restricting the hours when you eat) is the #1 thing you should consider incorporating into your New Year habits.
Take a look at more stories and videos about exercise and fitness.
VIDEO: Expert says intermittent fasting is your friend