Travis Barker is revealing the reason he was recently hospitalized after the famed drummer shared a candid picture of his stay alongside his wife, Kourtney Kardashian. “I had surgery yesterday,” Barker, 50, shared via his Instagram Story on Wednesday, October 7. “My arm, hand and fingers have been numb since a show I played last month. I did a nerve test Monday after my show and turns out I need a cubital tunnel release to fix a nerve.” A c​​ubital tunnel surgery involves releasing the tight ulnar nerve — or funny bone — that crosses the elbow, per the Mayo Clinic. The Blin...