4. Click on âAuthorize. â Your computer will now be ready to sync your iTunes Store purchases with your iPhone. 1  If you purchased items from the iTunes Store using multiple Apple IDs, you will be required to repeat the authorization process for each Apple ID you used to purchase applications and media.onnect your iPhone to your computer using the USB cable. 6. Wait for iTunes to recognize your iPhone. Upon recognition, iTunes will display a dialog box informing you that your iPhone is synced with another iTunes library.
Answer Wiki. As long as popping/cracking your joints does not cause you pain, and you have otherwise normal healthy joints[1], you're probably ok. Gases: Your joints are lubricated with synovial fluids, which contain oxygen, nitrogen, and carbon dioxide.
Okay, the first potential reason that people suffer from neck pain during abs exercises is poor form. When sit ups fell out of favor, crunches became the primary abs exercise in fitness routines, but most people dont know how to do crunches correctly.