Background
Grindheim was born in Haugesund and started his career in the local club Haugar, before he joined Haugesund where he made his debut for the first team in Tippeligaen at the age of 17.
Grindheim was born in Haugesund and started his career in the local club Haugar, before he joined Haugesund where he made his debut for the first team in Tippeligaen at the age of 17.
Grindheim is known as a hardworking midfielder with tough tackling and powerful shots. He has made over 50 appearances for the Norway national team After Haugesund"s relegation from the First Division in 2004, several Tippeliga-clubs was interested in the talented midfielder"s signature.
On 7 January 2008, Grindheim was transferred to Heerenveen.
On 15 June 2011, Grindheim transferred to Football Club Copenhagen on a three-year contract. In February 2013, Grindheim moved to Vålerenga on loan with an option to buy, which Vålerenga took up in July 2013, signing Grindheim to a three-year contract.
Grindheim made his debut for the Norwegian national team, on 17 August 2005 in a friendly match against Switzerland. Grindheim played 45 minutes in a match Norway lost 2–0.
He scored his first goal in Egil Olsen first match in his second stint as head coach of Norway, the friendly match against Germany on 11 February 2009, He reached his 50th cap in the friendly match against England.