Pokémon Go is giving the Trigger finger to its biggest fans because of the repetitive motion from all the swiping, tapping and flicking.
After just a couple of weeks trying to catch 'em all, my right hand has begun throbbing, even when I am not playing.
Experts say the Pokémon game is just making an already touchy situation much worse because the repetitive motion injury from playing Pokémon exacerbates the damage many people are already suffering from texting, swiping and gaming on other cell phone apps.
In fact, Millennials' hand grips, especially in men, are actually getting weaker thanks to smartphone overuse, according to a new study published in the Journal of Hand Therapy.
Flexor Tenosynovitis
Flexor tenosynovitis, also known as trigger finger, is caused when inflammation occurs around the tendons of the finger. When the sheath that surrounds the flexor tendons, which begin in the forearm - becomes irritated, the flexor tendon catches and cannot flex smoothly or extend the finger.