Mainly your arm, but all muscles are used.
Brachialis
all of the above ;*
Nothing. An electric guitar is used as a rhythm and ALSO a lead guitar. However, the difference between rhythm and lead guitar is just the guitar riffs that are played. Rhythm essentially keeps the rhythm/basic notes of the song while the lead guitar do a fancy lead riff and/or solo overtop of the rhythm guitar.
bass, drums, guitar, strings, trumpets and saxophone
your head
Yes, Rockband and Guitar Hero hellp you play the guitar because it stimulates your muscles in the same way and gets you used to playing different notes and strumming.
Mainly your arm, but all muscles are used.
A Sitar
Brachialis
Mostly your Quad muscles
It depends on what you are playing
Yor leg your thighs muscles tha are mainly used in playing soccer.
11 muscles are used in your body while talking.
Playing countryor blues music
all of the above ;*
most likely for playing music with :)