A wrestler may voluntarily submit by verbally informing the referee (usually used in moves such as the <answer>Mexican Surfboard</answer>, where all four limbs are incapacitated, making tapping impossible). Also, since Ken Shamrock (a legitimate UFC competitor in its early days) popularized it in 1997, a wrestler can indicate a voluntary submission by "tapping out", that is, tapping a free hand against the mat or against an opponent. Occasionally, a wrestler will reach for a rope (see rope breaks below), only to put their hand back on the mat so they can crawl towards the rope some more; this is not a submission, and the referee decides what their intent is.
What is the move called where all limbs are incapicitated? 
Mexican Surfboard