Your low back and lumbar spine are just as important to strengthen as the front of your core. You should be doing at least 1 lower back focused exercise for every 3 “ab” exercises you perform.
The Quadruped Hold is a great exercise to throw into your core work rotation. It’s a great one for pregnancy or really anyone looking to build their low back strength while preventing injury. Hold each opposite arm and leg hold for 30-60 seconds. Repeat 3-4 times. If you are looking to make this more challenging here are a few tips: