Dhalsim's got it goin' on.

Listening to: Nothing.

I've wondered this on multiple occasions at different points in my life. Could they only stretch their limbs, yet still have distribute the mass across the entire thing? Would the density change or could they alter that too? If you stretched it out, could you then use it like a lasso? Would it hurt as much or would the pain be distributed as well?

Yes, a lot of questions.

Related Link: Stretch Armstrong on Wikipedia