Why do my elbows hurt when I hold my heavy smartphone up while in bed?

Why do my elbows hurt when I hold my heavy smartphone up while in bed?

1. Introduction Elbow pain while holding a smartphone in bed is caused by prolonged flexion of the joint, which physically stretches and compresses the ulnar nerve within the cubital tunnel, coupled with the mechanical strain of gripping a dense device. When you lie on your back and raise a phone above your face, your elbows … Read more