Scimago Journal & Country Rank


Country United States  - SIR icon SIR Ranking of United States
H Index
Subject Area and CategoryHealth Professions
Sports Science

Neurology (clinical)
Orthopedics and Sports Medicine
PublisherLippincott Williams & Wilkins Ltd.
Publication typeJournals
Scope Lippincott Williams & Wilkins is a leading international publisher of professional health information for physicians, nurses, specialized clinicians and students. For a complete listing of titles currently published by Lippincott Williams & Wilkins and detailed information about print, online, and other offerings, please visit the LWW Online Store. Recognized internationally as the leading journal in its field, Spine is an international, peer-reviewed, bi-weekly periodical that considers for publication original articles in the field of Spine. It is the leading subspecialty journal for the treatment of spinal disorders. Only original papers are considered for publication with the understanding that they are contributed solely to Spine.


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The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Neurology (clinical)1999Q1
Neurology (clinical)2000Q1
Neurology (clinical)2001Q1
Neurology (clinical)2002Q1
Neurology (clinical)2003Q1
Neurology (clinical)2004Q1
Neurology (clinical)2005Q1
Neurology (clinical)2006Q1
Neurology (clinical)2007Q1
Neurology (clinical)2008Q1
Neurology (clinical)2009Q1
Neurology (clinical)2010Q1
Neurology (clinical)2011Q1
Neurology (clinical)2012Q1
Neurology (clinical)2013Q1
Neurology (clinical)2014Q1
Neurology (clinical)2015Q1
Neurology (clinical)2016Q1
Neurology (clinical)2017Q1
Neurology (clinical)2018Q1
Orthopedics and Sports Medicine1999Q1
Orthopedics and Sports Medicine2000Q1
Orthopedics and Sports Medicine2001Q1
Orthopedics and Sports Medicine2002Q1
Orthopedics and Sports Medicine2003Q1
Orthopedics and Sports Medicine2004Q1
Orthopedics and Sports Medicine2005Q1
Orthopedics and Sports Medicine2006Q1
Orthopedics and Sports Medicine2007Q1
Orthopedics and Sports Medicine2008Q1
Orthopedics and Sports Medicine2009Q1
Orthopedics and Sports Medicine2010Q1
Orthopedics and Sports Medicine2011Q1
Orthopedics and Sports Medicine2012Q1
Orthopedics and Sports Medicine2013Q1
Orthopedics and Sports Medicine2014Q1
Orthopedics and Sports Medicine2015Q1
Orthopedics and Sports Medicine2016Q1
Orthopedics and Sports Medicine2017Q1
Orthopedics and Sports Medicine2018Q1
Sports Science1999Q1
Sports Science2000Q1
Sports Science2001Q1
Sports Science2002Q1
Sports Science2003Q1
Sports Science2004Q1
Sports Science2005Q1
Sports Science2006Q1
Sports Science2007Q1
Sports Science2008Q1
Sports Science2009Q1
Sports Science2010Q1
Sports Science2011Q1
Sports Science2012Q1
Sports Science2013Q1
Sports Science2014Q1
Sports Science2015Q1
Sports Science2016Q1
Sports Science2017Q1
Sports Science2018Q1

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19992.095
Cites / Doc. (4 years)20002.910
Cites / Doc. (4 years)20012.896
Cites / Doc. (4 years)20023.135
Cites / Doc. (4 years)20033.364
Cites / Doc. (4 years)20043.425
Cites / Doc. (4 years)20053.461
Cites / Doc. (4 years)20063.577
Cites / Doc. (4 years)20073.519
Cites / Doc. (4 years)20083.491
Cites / Doc. (4 years)20093.571
Cites / Doc. (4 years)20103.609
Cites / Doc. (4 years)20113.371
Cites / Doc. (4 years)20123.550
Cites / Doc. (4 years)20133.512
Cites / Doc. (4 years)20143.641
Cites / Doc. (4 years)20153.478
Cites / Doc. (4 years)20163.540
Cites / Doc. (4 years)20173.603
Cites / Doc. (4 years)20183.379
Cites / Doc. (3 years)19992.095
Cites / Doc. (3 years)20002.761
Cites / Doc. (3 years)20012.615
Cites / Doc. (3 years)20022.922
Cites / Doc. (3 years)20033.176
Cites / Doc. (3 years)20043.027
Cites / Doc. (3 years)20053.222
Cites / Doc. (3 years)20063.279
Cites / Doc. (3 years)20073.262
Cites / Doc. (3 years)20083.299
Cites / Doc. (3 years)20093.255
Cites / Doc. (3 years)20103.377
Cites / Doc. (3 years)20113.052
Cites / Doc. (3 years)20123.245
Cites / Doc. (3 years)20133.235
Cites / Doc. (3 years)20143.505
Cites / Doc. (3 years)20153.365
Cites / Doc. (3 years)20163.364
Cites / Doc. (3 years)20173.240
Cites / Doc. (3 years)20183.147
Cites / Doc. (2 years)19991.837
Cites / Doc. (2 years)20002.282
Cites / Doc. (2 years)20012.322
Cites / Doc. (2 years)20022.559
Cites / Doc. (2 years)20032.611
Cites / Doc. (2 years)20042.624
Cites / Doc. (2 years)20052.715
Cites / Doc. (2 years)20062.819
Cites / Doc. (2 years)20072.846
Cites / Doc. (2 years)20082.816
Cites / Doc. (2 years)20093.063
Cites / Doc. (2 years)20102.904
Cites / Doc. (2 years)20112.535
Cites / Doc. (2 years)20122.668
Cites / Doc. (2 years)20132.953
Cites / Doc. (2 years)20143.214
Cites / Doc. (2 years)20153.023
Cites / Doc. (2 years)20162.797
Cites / Doc. (2 years)20172.909
Cites / Doc. (2 years)20182.858
Total Cites 

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Self Cites1999630
Self Cites2000774
Self Cites2001626
Self Cites2002777
Self Cites2003958
Self Cites2004716
Self Cites2005941
Self Cites20061025
Self Cites20071066
Self Cites2008830
Self Cites2009928
Self Cites2010874
Self Cites2011670
Self Cites2012745
Self Cites2013849
Self Cites2014785
Self Cites2015645
Self Cites2016590
Self Cites2017513
Self Cites2018321
Total Cites19992657
Total Cites20003382
Total Cites20013381
Total Cites20024321
Total Cites20035173
Total Cites20045104
Total Cites20055206
Total Cites20065462
Total Cites20075646
Total Cites20086010
Total Cites20095784
Total Cites20105916
Total Cites20115512
Total Cites20126081
Total Cites20135968
Total Cites20146161
Total Cites20155596
Total Cites20165200
Total Cites20174840
Total Cites20184535
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

External Cites per document19991.599
External Cites per document20002.129
External Cites per document20012.131
External Cites per document20022.396
External Cites per document20032.587
External Cites per document20042.603
External Cites per document20052.639
External Cites per document20062.663
External Cites per document20072.646
External Cites per document20082.843
External Cites per document20092.733
External Cites per document20102.878
External Cites per document20112.681
External Cites per document20122.847
External Cites per document20132.775
External Cites per document20143.058
External Cites per document20152.977
External Cites per document20162.982
External Cites per document20172.896
External Cites per document20182.924
Cites per document19992.095
Cites per document20002.761
Cites per document20012.615
Cites per document20022.922
Cites per document20033.176
Cites per document20043.027
Cites per document20053.222
Cites per document20063.279
Cites per document20073.262
Cites per document20083.299
Cites per document20093.255
Cites per document20103.377
Cites per document20113.052
Cites per document20123.245
Cites per document20133.235
Cites per document20143.505
Cites per document20153.365
Cites per document20163.364
Cites per document20173.240
Cites per document20183.147
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Non-citable documents1999137
Non-citable documents2000148
Non-citable documents2001149
Non-citable documents2002177
Non-citable documents2003221
Non-citable documents2004278
Non-citable documents2005292
Non-citable documents2006265
Non-citable documents2007240
Non-citable documents2008214
Non-citable documents2009211
Non-citable documents2010217
Non-citable documents2011241
Non-citable documents2012236
Non-citable documents2013216
Non-citable documents2014192
Non-citable documents2015203
Non-citable documents2016197
Non-citable documents2017170
Non-citable documents2018150
Citable documents19991268
Citable documents20001225
Citable documents20011293
Citable documents20021479
Citable documents20031629
Citable documents20041686
Citable documents20051616
Citable documents20061666
Citable documents20071731
Citable documents20081822
Citable documents20091777
Citable documents20101752
Citable documents20111806
Citable documents20121874
Citable documents20131845
Citable documents20141758
Citable documents20151663
Citable documents20161546
Citable documents20171494
Citable documents20181441
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Uncited documents1999510
Uncited documents2000443
Uncited documents2001474
Uncited documents2002552
Uncited documents2003666
Uncited documents2004739
Uncited documents2005658
Uncited documents2006609
Uncited documents2007588
Uncited documents2008594
Uncited documents2009577
Uncited documents2010550
Uncited documents2011665
Uncited documents2012636
Uncited documents2013555
Uncited documents2014473
Uncited documents2015519
Uncited documents2016502
Uncited documents2017451
Uncited documents2018427
Cited documents1999895
Cited documents2000930
Cited documents2001968
Cited documents20021104
Cited documents20031184
Cited documents20041225
Cited documents20051250
Cited documents20061322
Cited documents20071383
Cited documents20081442
Cited documents20091411
Cited documents20101419
Cited documents20111382
Cited documents20121474
Cited documents20131506
Cited documents20141477
Cited documents20151347
Cited documents20161241
Cited documents20171213
Cited documents20181164
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