Grip Strength & Little Finger Numbness Published on: May 4, 2020 Published in: MOVEMENT HACKS Smartphones and laptops are tools that impact your ulna nerve. The nerve that supplies your little finger and a huge player in grip strength. Sort it with this glide. You may also like Exercise Snack #8 V-SIT MOVEMENT HACKS Exercise Snack #6 The Scorpion MOVEMENT HACKS