If your thumbs feel stiff or sore, doctors say your smartphone could be to blame. Excessive texting, scrolling, or gaming may ...

With respect to the thumb, the entrapment can either involve the median nerve or the radial nerve. If the median nerve gets compressed, it can cause numbness in your palm and the pad of your thumb.

The injury may result from compression, constriction ... Carpal tunnel syndromeoccurs due to the median nerve becoming squeezed or pinched as it travels through the wrist, and cubital tunnel ...