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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1990 1
1992 1
1994 1
1998 4
1999 2
2001 4
2002 4
2003 1
2004 4
2005 4
2007 4
2008 4
2009 11
2010 9
2011 12
2012 7
2013 7
2014 3
2015 1
2016 5
2017 5
2018 2
2019 2
2020 5
2021 1
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96 results
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Page 1
Aerobic high-intensity intervals improve VO2max more than moderate training.
Helgerud J, Høydal K, Wang E, Karlsen T, Berg P, Bjerkaas M, Simonsen T, Helgesen C, Hjorth N, Bach R, Hoff J. Helgerud J, et al. Med Sci Sports Exerc. 2007 Apr;39(4):665-71. doi: 10.1249/mss.0b013e3180304570. Med Sci Sports Exerc. 2007. PMID: 17414804 Clinical Trial.
Aerobic endurance training improves soccer performance.
Helgerud J, Engen LC, Wisloff U, Hoff J. Helgerud J, et al. Med Sci Sports Exerc. 2001 Nov;33(11):1925-31. doi: 10.1097/00005768-200111000-00019. Med Sci Sports Exerc. 2001. PMID: 11689745 Clinical Trial.
Superior cardiovascular effect of aerobic interval training versus moderate continuous training in heart failure patients: a randomized study.
Wisløff U, Støylen A, Loennechen JP, Bruvold M, Rognmo Ø, Haram PM, Tjønna AE, Helgerud J, Slørdahl SA, Lee SJ, Videm V, Bye A, Smith GL, Najjar SM, Ellingsen Ø, Skjaerpe T. Wisløff U, et al. Among authors: helgerud j. Circulation. 2007 Jun 19;115(24):3086-94. doi: 10.1161/CIRCULATIONAHA.106.675041. Epub 2007 Jun 4. Circulation. 2007. PMID: 17548726 Clinical Trial.
Strength and endurance in elite football players.
Helgerud J, Rodas G, Kemi OJ, Hoff J. Helgerud J, et al. Int J Sports Med. 2011 Sep;32(9):677-82. doi: 10.1055/s-0031-1275742. Epub 2011 May 11. Int J Sports Med. 2011. PMID: 21563031
Strength and endurance of elite soccer players.
Wisløff U, Helgerud J, Hoff J. Wisløff U, et al. Among authors: helgerud j. Med Sci Sports Exerc. 1998 Mar;30(3):462-7. doi: 10.1097/00005768-199803000-00019. Med Sci Sports Exerc. 1998. PMID: 9526895
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