I incorporated the plank into my morning exercise routine. Started at 30 seconds, got to 90 in about a week, took three more weeks to get to 2 minutes. Can’t seem to get much past that. Also not sure if it’s even necessary — a 2 minute plank is good enough!!

Update: REVERSE PLANK (also called Bridge in Yoga) is far more effective in increasing core strength. On your back, arms to the side, lift your torso off the ground while supporting on your heels and back of arms and shoulders. Wowzie!!