Medically reviewed by Theresa Marko, PT, DPT, MS Ulnar nerve entrapment occurs when there is too much pressure on the ulnar nerve. This leads to hand numbness or tingling in the forearm and pinky side ...

Why Does My Hand Hurt? There are many reasons why you may have pain in your hand, such as osteoarthritis, rheumatoid arthritis, tendinitis, trigger finger, or Dupuytren's contracture. WebMD's ...