Aug 13, 2018 Thumb twitching, also called a tremor, happens when thumb muscles contract involuntarily, causing your thumb to twitch. Twitching can result.
May 21, 2018 Shaking in your thumb is called a tremor or twitch. Thumb shaking isn't always a cause for concern. Sometimes it's simply a temporary reaction.
Feb 27, 2018 Muscle twitching is caused by minor muscle contractions in the area, or uncontrollable twitching of a muscle group that is served by a single.
Two days ago my thumb muscle started to twitch when I relax my hand. These include causing nerve impulses to fire erratically, which, since nerves are.