What is the sliding defense and isolation defense in rugby and where would a prop be right after a scrum?

The sliding defence (thank you Rugby League):


http://en.wikipedia.org/wiki/Playing_rug鈥?/a>








Lots of other defence tactics including isoaltion defence:


www.community-rugby.com/CommunityRugby鈥?br>




And more:


upetd.up.ac.za/thesis/available/etd-02鈥?br>




Enjoy.





Where should a prop be after a scrum?


In attack: running towards the breakdown to secure the next phase.


In defence: retiring to help defend against the upcoming attacking phase.