Editing Slam dunk (section)

===1956 rule changes===

[[File:Wilt Chamberlain 1967.jpeg|thumb|165px|Wilt Chamberlain in 1967.]]
In the 1950s, [[Jim Pollard]]<ref name="encyc">{{cite book |title=The Official NBA Basketball Encyclopedia |publisher=Villard Books |year=1994 |isbn=0-679-43293-0 |page=49}}</ref> and [[Wilt Chamberlain]]<ref name="ostler">{{cite news |last=Ostler |first=Scott |date=12 February 1989 |title=The Leaping Legends of Basketball |newspaper=[[Los Angeles Times]]}}</ref> had both dunked from the free throw line—15 feet from the basket. Chamberlain was able to dunk from the free-throw line without a running start, beginning his forward movement from within the top half of the free-throw circle.<ref name="ostler" /> This was the catalyst for the 1956 NCAA rule change which requires that a shooter maintain both feet behind the line during a free-throw attempt.<ref name="toledo">{{citation |title=That Stilt, Wilt, Responsible For 2 Rule Changes; Kansas' Chamberlain Even Dunked His Foul Shots |date=28 November 1956 |newspaper=[[Toledo Blade]]}}</ref> An inbounds pass over the backboard was also banned because of Chamberlain.<ref>{{cite journal |author=Aram Goudsouzian |year=2005 |title="Can Basketball Survive Chamberlain" |url=https://www.kshs.org/publicat/history/2005autumn_goudsouzian.pdf |journal=Kansas History}}</ref> Offensive goaltending, also called basket interference, was introduced as a rule in 1956 after [[Bill Russell]] had exploited it at [[1955–56 San Francisco Dons men's basketball team|San Francisco]] and Chamberlain was soon to enter college play.<ref>{{cite book|url=https://books.google.com/books?id=8cpud1roWz4C|page=193|title=Spanning the Game|author=Ralph Miller|year=1990 |publisher=Sagamore Pub. |isbn=9780915611386}}</ref> While at the [[University of Kansas]], Chamberlain was known to have dunked on an experimental 12-foot basket set up by [[Phog Allen]].<ref name="ostler" />{{efn|[[Michael Wilson (basketball)|Michael Wilson]], a former [[Harlem Globetrotters|Harlem Globetrotter]] and [[Memphis Tigers men's basketball|University of Memphis]] basketball player, matched this feat on 1 April 2000 and got into the [[Guinness World Records]], albeit with an [[alley-oop]].<ref>{{Cite web |last1=Warner |first1=Ralph |last2=Martinez |first2=Jose |date=2012-02-29 |title=High Risers: Athletes With the Best Hops in Sports HistoryMichael Wilson |url=https://www.complex.com/sports/2012/02/high-risers-athletes-with-the-best-hops-in-sports-history/16 |access-date=2019-06-12 |website=Complex |language=en}}</ref><ref>{{Cite book |last=Butler |first=Robbie |title=The Harlem Globetrotters : Clown princes of basketball |date=2001 |publisher=Capstone Press |isbn=073684001X |location=Mankato, MN |pages=36 |oclc=47045255}}</ref>}} When Chamberlain dunked the ball it was called a "dipper dunk."
[[File:Lew Alcindor Kareem Abdul-Jabbar UCLA.jpg|thumb|200px|left|A dunk by Alcindor]]