Donald Trump is facing fresh speculation about his health after he was recorded making a sudden jerking motion with his hand ...

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or your foot that begins to spasm—sometimes for a few seconds, sometimes for ...

While sitting still at your desk or watching TV, you sense a feeling of muscular discomfort in your arm or leg. It’s not quite a charley horse, but you can see your skin pulsating involuntarily, as if ...

Video assistant referee Shaun Evans says an 'OK' sign hand gesture was "an involuntary, subconscious twitch" after he was cleared by a Fifa investigation. Evans said that he was "unaware" of making ...