What do people mean when they say to squeeze glutes and tighten abs when doing plank exercises?

Question

Does it mean suck in my gut?

In: 1

Answer 1

Put yourself into a forearm plank (plank with elbows on the ground). Now squeeze your glutes and sort of try to pull those elbows in as if you are trying to get them to touch your feet (but they’re planted in place). You’ll feel the tightened abs.