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 :
Kelly Rohrbach cast as CJ Parker in Baywatch movie. 1  First Trailer Lands For Cannes Hot Ticket âThe Florida Projectâ. 2  Movie Postal Service LoveFilm To Close In The UK. â 3 The Odysseyâ Review: Dir. JÃ©rÃ´me Salle (2017) 4  Watch The Final Trailer For âMarvelâs The Defendersâ. â 5 Dark Nightâ Review: Dir. Tim Sutton (2017) â 6 Annabelle Creationâ Review: Dir.