Attention Cathe Live subscribers, Thursday, April 17th, 2025, at 9:30 am EST, we’ll be doing “Push Ups and Sit Ups and Planks...Oh My! ” LIVE. Time to crush your core with this express workout consisting of four rounds of core exercises. Each round consists of a push-up variation, a sit-up variation, and a plank variation! “Oh My” is right!