My baby finger has not become relaxed enough due to wrong technique in tennis, too much stress on it and more here. The only moment I can feel the toughness is when I am totally relaxed like after ...
[Update] Thanks to the answer, I acknowledge now that I am heading towards "ulnar nerve entrapment" where one injury is Ulnar claw -- more common with males particularly training in gym with large ...
For climbers, it's important to train the antagonist muscles to our primary movers, to prevent injury. For the fingers, these are the extensors (as you're always flexing your fingers when gripping ...