Chances are, you've done planks, push-ups, squats, and crunches for so long, you could whip them out in your sleep. But there's a fine—and critical—line between executing these moves and executing them properly. Dance Spirit turned to Anna Acciarino, PT, DPT, ATC, from Manhattan Physio Group in NYC, for a breakdown of the subtle yet significant mistakes you might be making.
Photos by Lucas Chilczuk. Modeled by Brittany Shinay.
Your lower back and hips dip, creating a sagging arch.
Your hips and buttocks rise up and out of line with your spine.
Your pelvis is tucked under and your glutes are contracted.
Your navel feels like it's being pulled in towards your spine.
Your chin is slightly tucked and your gaze is directed one foot in front of your hands, not at the floor.
Your spine is aligned, your back is flat, and your core is engaged.
Hold a plank for 30 seconds, and work up towards 1 minute.
Your back and hips dip.
Your hips are lower than your chest in the downward motion.
Your arms are more than shoulder-width apart.
Your starting position is the same as a properly executed plank (see exercise 1).
Your shoulder blades are flat and resting against your rib cage.
Your hands are shoulder-width apart.
Your spine stays aligned for the entire push-up.
Perform 20 reps.
Your chin is tucked.
Your feet come up and off the ground when you curl.
You pull yourself up by your neck.
You race through each crunch.
Your chin is pointed up towards the ceiling.
Your hands are gently clasped behind your head, with your elbows out towards either side.
Your navel feels like it's being drawn in towards your spine.
Your head leads the crunch, followed by your shoulders and shoulder blades.
You inhale deeply, then exhale as you begin to curl up.
Perform 20 reps, holding each crunch for 3–5 seconds.
Your knees go past your feet.
You drop your stomach and lean your upper body forward as you squat.
You don't hinge from your hips, relying instead on your knees and quads.
You don't distribute your weight into your heels.
Your arms are straight in front of you.
Your knees are aligned with your toes as you squat.
You hinge from your hips, keeping your upper body and spine upright as you sink into the squat.
You push through your heels to activate your glutes, and extend your knees and hips to stand up.
Perform 10–20 reps.
A version of this story appeared in the April 2018 issue of Dance Spirit with the title "Fitness Faux Pas."