When you’re on your phone, shift the way you’re holding the device so that your hand isn’t locked in one position for a sustained period. You can also try switching between your right and ...

People tend to always hold their phone in the same hand. It’s a force of habit ... You're better off holding that weight centrally to your body,' she says. Not sure about a waist belt?

You might get hand cramps after writing, typing, or holding your phone for long periods of time. Dehydration, diabetes, carpal tunnel syndrome, and focal dystonia can also cause hand cramps.