So, it's day 1 of your 100 reps challenge and today we are going to focus on your upper body. When it comes to upper body toning, nothing can beat push-ups. We know you dread them to death, but here's fitness coach Sarina Pani to ease out your journey. In this challenge, you will do 25 reps of 4 different types of push-ups which will target your shoulders, chest, triceps, and biceps. So let's kickstart day 1 of our Health Day special weight-loss challenge.