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Roy J. Shephard

Roy J. Shephard

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 123 3285 3062 138 132 1775 76156

Roy J. Shephard publications per year

The chart shows the history of publications by Roy J. Shephard between 1951 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Roy J. Shephard published across 74 years, from 1951 to 2024, averaging 25 papers a year. Output peaked at 143 publications in 2011. 1 of the 1,848 publications appeared in the last two years.

No. of publications
25 50 75 100 125
Bar chart. Horizontal axis: year, 1951 to 2024. Vertical axis: number of publications, 0 to 143. Peak 143 publications in 2011. 1951: 1 publication 1952: 0 publications 1953: 0 publications 1954: 2 publications 1955: 7 publications 1956: 6 publications 1957: 2 publications 1958: 7 publications 1959: 5 publications 1960: 1 publication 1961: 2 publications 1962: 2 publications 1963: 1 publication 1964: 1 publication 1965: 0 publications 1966: 6 publications 1967: 5 publications 1968: 9 publications 1969: 11 publications 1970: 5 publications 1971: 17 publications 1972: 7 publications 1973: 14 publications 1974: 15 publications 1975: 13 publications 1976: 9 publications 1977: 22 publications 1978: 32 publications 1979: 18 publications 1980: 16 publications 1981: 13 publications 1982: 12 publications 1983: 17 publications 1984: 21 publications 1985: 29 publications 1986: 51 publications 1987: 17 publications 1988: 21 publications 1989: 16 publications 1990: 25 publications 1991: 23 publications 1992: 30 publications 1993: 26 publications 1994: 38 publications 1995: 27 publications 1996: 34 publications 1997: 21 publications 1998: 35 publications 1999: 25 publications 2000: 25 publications 2001: 26 publications 2002: 14 publications 2003: 20 publications 2004: 20 publications 2005: 7 publications 2006: 97 publications 2007: 93 publications 2008: 81 publications 2009: 88 publications 2010: 109 publications 2011: 143 publications 2012: 131 publications 2013: 24 publications 2014: 18 publications 2015: 48 publications 2016: 28 publications 2017: 36 publications 2018: 57 publications 2019: 39 publications 2020: 14 publications 2021: 10 publications 2022: 2 publications 2023: 0 publications 2024: 1 publication
1951 2024

1,848 publications in total across all disciplines

View publications per year as a table
Roy J. Shephard: publications per year, 1951 to 2024
Year Publications
1951 1
1952 0
1953 0
1954 2
1955 7
1956 6
1957 2
1958 7
1959 5
1960 1
1961 2
1962 2
1963 1
1964 1
1965 0
1966 6
1967 5
1968 9
1969 11
1970 5
1971 17
1972 7
1973 14
1974 15
1975 13
1976 9
1977 22
1978 32
1979 18
1980 16
1981 13
1982 12
1983 17
1984 21
1985 29
1986 51
1987 17
1988 21
1989 16
1990 25
1991 23
1992 30
1993 26
1994 38
1995 27
1996 34
1997 21
1998 35
1999 25
2000 25
2001 26
2002 14
2003 20
2004 20
2005 7
2006 97
2007 93
2008 81
2009 88
2010 109
2011 143
2012 131
2013 24
2014 18
2015 48
2016 28
2017 36
2018 57
2019 39
2020 14
2021 10
2022 2
2023 0
2024 1
Total 1,848
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Roy J. Shephard publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Roy J. Shephard sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 86 bars. Horizontal axis: publications, 101–120 to 1,796+. Vertical axis: number of scientists, 0 to 922. Most scientists, 922, have 341–360 publications. The last bar groups every scientist with 1,796 publications or more. The highlighted bar, 1,761–1,780 publications, is where this scientist sits. 101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101–120 publications 1,796+

This scientist: 1,775 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

View publications distribution as a table
Number of Medicine scientists by publication count, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
Publications Scientists This scientist
101–120 5
121–140 26
141–160 73
161–180 155
181–200 230
201–220 363
221–240 487
241–260 545
261–280 722
281–300 768
301–320 834
321–340 895
341–360 922
361–380 838
381–400 861
401–420 918
421–440 806
441–460 771
461–480 751
481–500 713
501–520 617
521–540 610
541–560 537
561–580 504
581–600 509
601–620 396
621–640 386
641–660 371
661–680 340
681–700 336
701–720 307
721–740 259
741–760 230
761–780 228
781–800 217
801–820 204
821–840 186
841–860 177
861–880 155
881–900 139
901–920 145
921–940 116
941–960 133
961–980 91
981–1,000 96
1,001–1,020 77
1,021–1,040 70
1,041–1,060 63
1,061–1,080 77
1,081–1,100 49
1,101–1,120 54
1,121–1,140 49
1,141–1,160 51
1,161–1,180 35
1,181–1,200 39
1,201–1,220 26
1,221–1,240 37
1,241–1,260 36
1,261–1,280 27
1,281–1,300 32
1,301–1,320 28
1,321–1,340 17
1,341–1,360 30
1,361–1,380 28
1,381–1,400 17
1,401–1,420 21
1,421–1,440 15
1,441–1,460 12
1,461–1,480 12
1,481–1,500 18
1,501–1,520 14
1,521–1,540 17
1,541–1,560 15
1,561–1,580 6
1,581–1,600 2
1,601–1,620 12
1,621–1,640 11
1,641–1,660 8
1,661–1,680 5
1,681–1,700 5
1,701–1,720 10
1,721–1,740 12
1,741–1,760 14
1,761–1,780 6 1,775
1,781–1,795 5
1,796+ 100
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Roy J. Shephard D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Roy J. Shephard sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 75 bars. Horizontal axis: D-Index, 70–71 to 217+. Vertical axis: number of scientists, 0 to 1,027. Most scientists, 1,027, have 82–83 D-Index. The last bar groups every scientist with 217 D-Index or more. The highlighted bar, 122–123 D-Index, is where this scientist sits. 70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70–71 D-Index 217+

This scientist: 123 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

View D-Index distribution as a table
Number of Medicine scientists by D-index, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
D-Index Scientists This scientist
70–71 226
72–73 391
74–75 574
76–77 730
78–79 891
80–81 972
82–83 1,027
84–85 1,003
86–87 960
88–89 970
90–91 922
92–93 839
94–95 808
96–97 779
98–99 668
100–101 611
102–103 630
104–105 513
106–107 541
108–109 445
110–111 429
112–113 399
114–115 393
116–117 318
118–119 302
120–121 287
122–123 255 123
124–125 256
126–127 252
128–129 230
130–131 179
132–133 168
134–135 163
136–137 159
138–139 134
140–141 134
142–143 118
144–145 109
146–147 106
148–149 74
150–151 79
152–153 80
154–155 87
156–157 57
158–159 74
160–161 69
162–163 60
164–165 53
166–167 39
168–169 42
170–171 32
172–173 39
174–175 40
176–177 28
178–179 19
180–181 23
182–183 31
184–185 18
186–187 20
188–189 22
190–191 13
192–193 21
194–195 12
196–197 12
198–199 14
200–201 15
202–203 13
204–205 10
206–207 8
208–209 4
210–211 12
212–213 11
214–215 10
216 4
217+ 98
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Overview

Roy J. Shephard is affiliated with the University of Toronto in Canada and focuses primarily on medical research with an emphasis on orthopedics and sports medicine. Their work spans physiology, biomedical engineering, cardiology, and complementary and alternative medicine.

Their recent publications include studies centered on physical activity, sports performance, and health during challenging conditions such as the COVID-19 pandemic. Notable papers include the 2020 work titled "Staying Physically Active During the Quarantine and Self-Isolation Period for Controlling and Mitigating the COVID-19 Pandemic: A Systematic Overview of the Literature" published in Frontiers in Psychology. Also published in 2020 are studies such as "The effect of a sand surface on physical performance responses of junior male handball players to plyometric training" in BMC Sports Science Medicine and Rehabilitation, and "Effects of Upper and Lower Limb Plyometric Training Program on Components of Physical Performance in Young Female Handball Players" in Frontiers in Physiology. Additional works include the 2020 publication "The 2020 Physical Activity Readiness Questionnaire for Everyone (PAR-Q+) and electronic Physical Activity Readiness Medical Examination (ePARmed-X+)" in Open Collections and the 2021 article "Neuromuscular Adaptations and Enhancement of Physical Performance in Female Basketball Players After 8 Weeks of Plyometric Training" in Frontiers in Physiology.

Shephard has frequently collaborated with peers such as Mohamed Souhaiel Chelly, Mehréz Hammami, Nawel Gaamouri, Nicola Luigi Bragazzi, and Souhail Hermassi. These collaborations suggest a focus on sports medicine and physiology research networks.

Their work appears predominantly in venues including:

  • Frontiers in Physiology
  • Open Collections
  • Scientific Reports
  • International Journal of Environmental Research and Public Health
  • International Journal of Sports Science & Coaching

Their expertise covers several interconnected fields of study, including:

  • Medicine

Within medicine, their research is concentrated in subfields such as:

  • Orthopedics and Sports Medicine
  • Physiology
  • Biomedical Engineering
  • Cardiology and Cardiovascular Medicine
  • Complementary and alternative medicine

Main topics addressed in their research encompass:

  • Sports injuries and prevention
  • Sports Performance and Training
  • Physical Activity and Health
  • Sports Dynamics and Biomechanics
  • Cardiovascular Effects of Exercise
  • Cardiovascular and exercise physiology
  • Gut microbiota and health

Best Publications

  • A simple method to assess exercise behavior in the community

    Godin G;Shephard Rj

  • Revision of the Physical Activity Readiness Questionnaire (PAR-Q).

    Scott Thomas;Jeff Reading;Roy J. Shephard

  • Position statement. Part one: Immune function and exercise.

    Walsh Np;Gleeson M;Shephard Rj;Woods Ja

  • Physical education, school physical activity, school sports and academic performance

    François Trudeau;Roy J Shephard

  • Physical Activity, Fitness, and Health

    Claude Bouchard;Roy Shephard;Peter Brubaker

  • Physical activity, fitness, and health consensus statement

    Claude Bouchard;Roy J. Shephard;Thomas Stephens

  • Position statement. Part two: Maintaining immune health.

    Neil P. Walsh;Michael Gleeson;David B. Pyne;David C. Nieman

  • Exercise as Cardiovascular Therapy

    Roy J. Shephard;Gary J. Balady

  • Physical activity, fitness and health : the model and key concepts

    Claude Bouchard;Roy J. Shephard

  • Prediction of Long-Term Prognosis in 12 169 Men Referred for Cardiac Rehabilitation

    Terence Kavanagh;Donald J. Mertens;Larry F. Hamm;Joseph Beyene

  • Evidence-informed physical activity guidelines for Canadian adults.

    Darren E. R. Warburton;Peter T. Katzmarzyk;Ryan E. Rhodes;Roy J. Shephard

  • Worksite physical activity interventions

    Rod K. Dishman;Brian Oldenburg;Heather O’Neal;Roy J. Shephard

  • PAR-Q, Canadian Home Fitness Test and Exercise Screening Alternatives

    Roy J. Shephard

  • Contribution of school programmes to physical activity levels and attitudes in children and adults

    François Trudeau;Roy J. Shephard

  • Peak oxygen intake and cardiac mortality in women referred for cardiac rehabilitation.

    Terence Kavanagh;Donald J Mertens;Larry F Hamm;Larry F Hamm;Joseph Beyene

  • Curricular Physical Activity and Academic Performance

    Roy J. Shephard

  • Leisure Time Exercise Questionnaire

    G. Godin;R. J. Shephard

  • Effects of in-season short-term plyometric training program on leg power, jump- and sprint performance of soccer players.

    Mohamed Souhaiel Chelly;Mohamed Ali Ghenem;Khalil Abid;Souhail Hermassi

  • The Cytokine Response to Physical Activity and Training

    Andrei I. Moldoveanu;Roy J. Shephard;Pang N. Shek

  • Physical activity and aging

    Roy J. Shephard

Frequent Co-Authors

Claude Bouchard
Claude Bouchard Pennington Biomedical Research Center
Gaston Godin
Gaston Godin Université Laval
Kazuyoshi Takeda
Kazuyoshi Takeda Juntendo University
Ko Okumura
Ko Okumura Juntendo University
Hideo Yagita
Hideo Yagita Juntendo University
Mark S. Tremblay
Mark S. Tremblay Children's Hospital of Eastern Ontario
Peter T. Katzmarzyk
Peter T. Katzmarzyk Pennington Biomedical Research Center
Bruce Kirkcaldy
Bruce Kirkcaldy Ruhr University Bochum
Joseph Beyene
Joseph Beyene McMaster University
Karim Chamari
Karim Chamari Naufar Center

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