Changes

This is common in burrowing snakes and can be seen when a snake crawls through a tube. While the back half of the body acts as an anchor the front half is pushed forward. The back half is then drawn forward.

This is common in burrowing snakes and can be seen when a snake crawls through a tube. While the back half of the body acts as an anchor the front half is pushed forward. The back half is then drawn forward.

* Common in arboreal and fossorial snakes, and it requires the most energy.

* This type of locomotion is common in arboreal and fossorial snakes and requires the most energy.

 

==Rectilinear crawling==

==Rectilinear crawling==

The edges of the scales act as anchor points and the muscles then pull the body up to that point. This is often used by large snakes.  The motion is similar to that of a caterpillar crawling involving waves of bilaterally symmetrical muscle contractions.

The edges of the scales act as anchor points and the muscles then pull the body up to that point. This is often used by large snakes.  The motion is similar to that of a caterpillar crawling involving waves of bilaterally symmetrical muscle contractions.