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
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
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

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)19992.082
Cites / Doc. (4 years)20002.897
Cites / Doc. (4 years)20012.889
Cites / Doc. (4 years)20023.071
Cites / Doc. (4 years)20033.353
Cites / Doc. (4 years)20043.330
Cites / Doc. (4 years)20053.455
Cites / Doc. (4 years)20063.861
Cites / Doc. (4 years)20073.758
Cites / Doc. (4 years)20083.828
Cites / Doc. (4 years)20093.860
Cites / Doc. (4 years)20103.653
Cites / Doc. (4 years)20113.397
Cites / Doc. (4 years)20123.576
Cites / Doc. (4 years)20133.509
Cites / Doc. (4 years)20143.632
Cites / Doc. (4 years)20153.414
Cites / Doc. (4 years)20163.450
Cites / Doc. (4 years)20173.440
Cites / Doc. (3 years)19992.082
Cites / Doc. (3 years)20002.748
Cites / Doc. (3 years)20012.610
Cites / Doc. (3 years)20022.865
Cites / Doc. (3 years)20033.163
Cites / Doc. (3 years)20042.947
Cites / Doc. (3 years)20053.218
Cites / Doc. (3 years)20063.555
Cites / Doc. (3 years)20073.494
Cites / Doc. (3 years)20083.621
Cites / Doc. (3 years)20093.574
Cites / Doc. (3 years)20103.344
Cites / Doc. (3 years)20113.074
Cites / Doc. (3 years)20123.266
Cites / Doc. (3 years)20133.217
Cites / Doc. (3 years)20143.488
Cites / Doc. (3 years)20153.290
Cites / Doc. (3 years)20163.284
Cites / Doc. (3 years)20173.095
Cites / Doc. (2 years)19991.824
Cites / Doc. (2 years)20002.266
Cites / Doc. (2 years)20012.315
Cites / Doc. (2 years)20022.513
Cites / Doc. (2 years)20032.601
Cites / Doc. (2 years)20042.553
Cites / Doc. (2 years)20052.711
Cites / Doc. (2 years)20063.067
Cites / Doc. (2 years)20073.080
Cites / Doc. (2 years)20083.143
Cites / Doc. (2 years)20093.254
Cites / Doc. (2 years)20102.859
Cites / Doc. (2 years)20112.558
Cites / Doc. (2 years)20122.659
Cites / Doc. (2 years)20132.930
Cites / Doc. (2 years)20143.188
Cites / Doc. (2 years)20152.963
Cites / Doc. (2 years)20162.719
Cites / Doc. (2 years)20172.774
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 Cites1999629
Self Cites2000773
Self Cites2001626
Self Cites2002777
Self Cites2003958
Self Cites2004715
Self Cites2005941
Self Cites20061124
Self Cites20071168
Self Cites20081017
Self Cites20091068
Self Cites2010952
Self Cites2011722
Self Cites2012773
Self Cites2013849
Self Cites2014784
Self Cites2015641
Self Cites2016586
Self Cites2017514
Total Cites19992642
Total Cites20003369
Total Cites20013377
Total Cites20024240
Total Cites20035156
Total Cites20044971
Total Cites20055200
Total Cites20065923
Total Cites20076304
Total Cites20086964
Total Cites20096962
Total Cites20106354
Total Cites20115921
Total Cites20126280
Total Cites20135958
Total Cites20146156
Total Cites20155501
Total Cites20165081
Total Cites20174627
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 document19991.586
External Cites per document20002.117
External Cites per document20012.126
External Cites per document20022.340
External Cites per document20032.575
External Cites per document20042.523
External Cites per document20052.636
External Cites per document20062.881
External Cites per document20072.847
External Cites per document20083.093
External Cites per document20093.026
External Cites per document20102.843
External Cites per document20112.699
External Cites per document20122.864
External Cites per document20132.759
External Cites per document20143.044
External Cites per document20152.907
External Cites per document20162.906
External Cites per document20172.751
Cites per document19992.082
Cites per document20002.748
Cites per document20012.610
Cites per document20022.865
Cites per document20033.163
Cites per document20042.947
Cites per document20053.218
Cites per document20063.555
Cites per document20073.494
Cites per document20083.621
Cites per document20093.574
Cites per document20103.344
Cites per document20113.074
Cites per document20123.266
Cites per document20133.217
Cites per document20143.488
Cites per document20153.290
Cites per document20163.284
Cites per document20173.095
% 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 documents2003222
Non-citable documents2004280
Non-citable documents2005294
Non-citable documents2006267
Non-citable documents2007252
Non-citable documents2008231
Non-citable documents2009228
Non-citable documents2010232
Non-citable documents2011255
Non-citable documents2012251
Non-citable documents2013223
Non-citable documents2014206
Non-citable documents2015221
Non-citable documents2016220
Non-citable documents2017184
Citable documents19991269
Citable documents20001226
Citable documents20011294
Citable documents20021480
Citable documents20031630
Citable documents20041687
Citable documents20051616
Citable documents20061666
Citable documents20071804
Citable documents20081923
Citable documents20091948
Citable documents20101900
Citable documents20111926
Citable documents20121923
Citable documents20131852
Citable documents20141765
Citable documents20151672
Citable documents20161547
Citable documents20171495
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 documents1999518
Uncited documents2000444
Uncited documents2001475
Uncited documents2002557
Uncited documents2003669
Uncited documents2004755
Uncited documents2005661
Uncited documents2006581
Uncited documents2007596
Uncited documents2008595
Uncited documents2009611
Uncited documents2010592
Uncited documents2011695
Uncited documents2012658
Uncited documents2013566
Uncited documents2014493
Uncited documents2015557
Uncited documents2016533
Uncited documents2017483
Cited documents1999888
Cited documents2000930
Cited documents2001968
Cited documents20021100
Cited documents20031183
Cited documents20041212
Cited documents20051249
Cited documents20061352
Cited documents20071460
Cited documents20081559
Cited documents20091565
Cited documents20101540
Cited documents20111486
Cited documents20121516
Cited documents20131509
Cited documents20141478
Cited documents20151336
Cited documents20161234
Cited documents20171196
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