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 :
Daniels with fellow Star Wars actor Warwick Davis in 2010. Daniels has played C-3PO in all six of the Star Wars feature films from the original installment in the series, as both the body and voice of the golden robot.aniels was the voice of Legolas in Ralph Bakshi âs 1978 animated adaptation of The Lord of the Rings. He has appeared intermittently on British television in various dramas, notably in a recurring role in Prime Suspect starring Helen Mirren.