In 1980 Alberca et al. described a patient with a syndrome of increased muscle irritability, who presented ondulating muscle rolling movements and electrically silent cramps, myoedema and muscle reactions to mechanical stimulation similar to myotonic response, suggesting a disfunction at myofibrillar level.
For c-3po, it was a costume, Anthony Daniels played c-3po: For R2-D2, It was a costume and a remote controlled robot. CGI was also used in the prequel trilogy. So, they had Kenny Baker to play him : And from Portrayal section of wookieepedia article on R2-D2 :
CBS is sticking with Michael Weatherly. Deadline reports the NCIS actor has been cast in the networkâs new drama pilot, Bull. Earlier, we reported Weatherly would be leaving NCIS at the end of its current season. He has played Agent Tony DiNozzo since the series began in 2003, Bull is based on the early days of daytime talk show host Dr. Phil (McGraw), when the doctor was âhead of one of the most prolific trial consulting services of all time.â McGraw has co-written the pilot alongside Paul Attanasio.