Have you been doing the 7-minute workout right? Like BuzzFeedVideo on Facebook: on.fb.me/18yCF0b MUSIC Got The Look Licensed via Warner Chappell Production Music Inc. SOURCES www.livescience.com/35845-seven-common-exercise-errors.html www.webmd.com/fitness-exercise/features/top-20-fitness-mistakes-beginners-make www.prevention.com/fitness/strength-training/form-fixes-common-exercise-mistakes?s=2 www.livestrong.com/article/297024-why-is-it-important-to-wear-proper-shoes-while-working-out/ www.webmd.com/fitness-exercise/features/doing-the-perfect-push-up www.livestrong.com/article/437325-proper-wall-sit-down-exercise/ www.livestrong.com/article/338918-the-proper-form-for-an-abdominal-crunch/ www.shape.com/fitness/workouts/7-things-trainers-want-tell-you-dont squatform.com/squat-form-how-to-squat-with-correct-technique/ www.acsm.org/docs/current-comments/safetysquat.pdf www.huffingtonpost.com/2012/07/10/how-to-exercise-triceps-dip_n_1659434.html www.livestrong.com/article/195318-high-knee-exercises/ www.health.harvard.edu/blog/strengthening-your-core-right-and-wrong-ways-to-do-lunges-squats-and-planks-201106292810 www.menshealth.com/mhlists/pushup-variations/rotational-pushup.php www.weighttraining.com/exercises/step-up GET MORE BUZZFEED: www.buzzfeed.com www.buzzfeed.com/video www.youtube.com/buzzfeed www.youtube.com/buzzfeedvideo www.youtube.com/buzzfeedyellow www.youtube.com/buzzfeedblue www.youtube.com/buzzfeedpop www.youtube.com/cnnbuzzfeed www.youtube.com/buzzfeedviolet BUZZFEED BLUE Tasty short, fun, inspiring, funny, interesting videos from BuzzFeed. From incredible science facts to amazing how-to's and DIYs, BuzzFeed Blue will entertain, educate, spark conversation about all the little things that matter in life. Bite-size knowledge for a big world. Just like BuzzFeedVideo, but more blue.