What Is Cubital Tunnel Syndrome? Cubital tunnel syndrome is when your ulnar nerve — one of the three main nerves in your arm — is compressed. The ulnar nerve runs from your neck to your hand and ...

Your ulnar nerve runs all the way from your shoulder to your little finger. The ulnar nerve manages the muscles that allow you to make fine movements with your fingers. It also controls some of the ...

Ulnar nerve entrapment happens when there’s pressure on the ulnar nerve. The ulnar nerve travels from the shoulder to the pinky finger. It can cause symptoms like muscle weakness and numbness. The ...