5th Exercise is Up and Down Plank Do This Exercise for 3 minutes 03:00 Start Stop Reset The up and down plank is an effective full-body exercise that strengthens the core, shoulders, arms, and chest. It enhances stability and coordination by requiring continuous movement between the forearms and hands. Go to 6th Exercise Enter Pass Code Submit Incorrect Pass Code Please try again Forget Your Pass Code New here - Join Our Premium Weight Loss Plan