So, how many push-ups can you do in one go? Ten? Twenty? Forty? More? It turns out that the number might say more about your heart health than you think. In the age of smartwatches, fitness apps, and ...

A push-up is a body-weight exercise that builds strength in your chest, arms and shoulders. As you lower your chest and press back up, you challenge your core strength and stability. The exercise also ...

Using the Push app is quite simple. All you need to do is enable the camera permission for Push and then place your iPhone on the floor pointing at your face. The app uses facial recognition thanks to ...