Add the app icon so you can return when you need it.
The app is already open from your home screen.
Open this link in Safari. Tap Share, then Add to Home Screen. Turn on Open as Web App if it appears, then tap Add.
Open this link in Chrome. Tap the menu, then Add to Home screen or Install app. Follow the prompts.
Use the website directly if installation is unavailable. An internet connection is needed to reopen the exercises. Adding the icon does not change who can access the app.
Updates load when you reopen or refresh online. Finish your current exercise before refreshing.