Steve Nash does a great job of being able to get in the lane to create for teammates, or get his shot off over much taller defenders. The reason that he is able to get his shot off, is because he uses a number of crafty finishes around the basket. Whether he shoots a same foot same hand runner, scoop layup, or back leg shot he is able to finish around the basket efficiently despite being undersized.
This video is going to teach you how to do a Steve Nash back leg finish, which is one of Nash's signature moves that he uses, and is one of the advanced basketball fundamentals for finishing around the basket. It is important that with all of his finishing moves to the basket that you are under control and able to stop on a dime. If you are out of control you will never be able to complete the move.