Ralph Gay, MD, DC, MS

  • 737 Citations
  • 15 Scopus h-Index
19932016

Research output per year

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Research Output

2016

Effect of Off-Axis Fluoroscopy Imaging on Two-Dimensional Kinematics in the Lumbar Spine: A Dynamic in Vitro Validation Study

Zhao, K. D., Ben-Abraham, E. I., Magnuson, D. J., Camp, J. J., Berglund, L. J., An, K. N., Bronfort, G. & Gay, R., May 1 2016, In : Journal of Biomechanical Engineering. 138, 5, 054502.

Research output: Contribution to journalArticle

Quantification of myofascial taut bands

Chen, Q., Wang, H. J., Gay, R., Thompson, J. M., Manduca, A., An, K. N., Ehman, R. L. & Basford, J. R., Jan 1 2016, In : Archives of Physical Medicine and Rehabilitation. 97, 1, p. 67-73 7 p.

Research output: Contribution to journalArticle

21 Scopus citations
2015

Biomechanical and histological effects of augmented soft tissue mobilization therapy on achilles tendinopathy in a rabbit model

Imai, K., Ikoma, K., Chen, Q., Zhao, C., An, K. N. & Gay, R. E., Feb 1 2015, In : Journal of Manipulative and Physiological Therapeutics. 38, 2, p. 112-118 7 p.

Research output: Contribution to journalArticle

9 Scopus citations
2014

Lumbar trabecular bone mineral density distribution in patients with and without vertebral fractures: A case-control study

Giambini, H., Salman Roghani, R., Thoreson, A. R., Melton, L. J., An, K. N. & Gay, R. E., Jun 2014, In : European Spine Journal. 23, 6, p. 1346-1353 8 p.

Research output: Contribution to journalArticle

8 Scopus citations
2013

Clinical effectiveness of single lumbar transforaminal epidural steroid injections

Kaufmann, T. J., Geske, J. R., Murthy, N. S., Thielen, K. R., Morris, J. M., Wald, J. T., Diehn, F. E., Amrami, K. K., Carter, R. E., Shelerud, R. A., Gay, R. E. & Maus, T. P., Aug 2013, In : Pain Medicine (United States). 14, 8, p. 1126-1133 8 p.

Research output: Contribution to journalArticle

32 Scopus citations
2012

Traction Therapy

Gay, R. E. & Brault, J. S., Dec 1 2012, Evidence-Based Management of Low Back Pain. Elsevier Inc., p. 205-215 11 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

2011

Biomechanical evaluation of posterior lumbar dynamic stabilization: An in vitro comparison between Universal Clamp and Wallis systems

Ilharreborde, B., Shaw, M. N., Berglund, L. J., Zhao, K. D., Gay, R. E. & An, K. N., Feb 1 2011, In : European Spine Journal. 20, 2, p. 289-296 8 p.

Research output: Contribution to journalArticle

24 Scopus citations

Transverse connectors providing increased stability to the cervical spine rod-screw construct: An in vitro human cadaveric study. Laboratory investigation

Shaw, M. N., Morel, E. P., Utter, P. A., Gussous, Y. M., Ginoux, L., Berglund, L. J., Gay, R. E. & Krauss, W. E., Jun 1 2011, In : Journal of Neurosurgery: Spine. 14, 6, p. 719-725 7 p.

Research output: Contribution to journalArticle

7 Scopus citations
2010

A dynamic method for in vitro multisegment spine testing

Ilharreborde, B., Zhao, K., Boumediene, E., Gay, R., Berglund, L. & An, K. N., Jun 1 2010, In : Orthopaedics and Traumatology: Surgery and Research. 96, 4, p. 456-461 6 p.

Research output: Contribution to journalArticle

11 Scopus citations

Disc biomechanical response due to incomplete length of collagen fibers in various regions of annulus fibrosus: A finite element investigation

Hussain, M., Gay, R. E. & An, K. N., Dec 1 2010, ASME 2010 Summer Bioengineering Conference, SBC 2010. PARTS A AND B ed. p. 167-168 2 p. (ASME 2010 Summer Bioengineering Conference, SBC 2010; no. PARTS A AND B).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Scopus citations

Mesure in vitro en conditions dynamiques de la cinématique rachidienne

Translated title of the contribution: A dynamic method for in vitro multi-segment spine testingIlharreborde, B., Zhao, K., Boumediene, E., Gay, R., Berglund, L. & An, K. N., Jun 1 2010, In : Revue de Chirurgie Orthopedique et Traumatologique. 96, 4, p. 529-534 6 p.

Research output: Contribution to journalArticle

NASS Contemporary Concepts in Spine Care: Spinal manipulation therapy for acute low back pain

Dagenais, S., Gay, R. E., Tricco, A. C., Freeman, M. D. & Mayer, J. M., Oct 1 2010, In : Spine Journal. 10, 10, p. 918-940 23 p.

Research output: Contribution to journalReview article

33 Scopus citations
10 Scopus citations
2009

Automatic quantification of lumbar vertebral kinematics from dynamic fluoroscopic sequences

Camp, J., Zhao, K., Morel, E., White, D., Magnuson, D., Gay, R., An, K. N. & Robb, R., Jun 15 2009, Medical Imaging 2009: Computer-Aided Diagnosis. 72603M. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 7260).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Biomechanical effects of chiropractic-based distraction therapy on the behavior of healthy and degenerated cervical discs: A finite element model analysis

Hussain, M., Gay, R. E., An, K. N. & Tepe, R., Dec 1 2009, Proceedings of the ASME Summer Bioengineering Conference 2009, SBC2009. PART B ed. p. 1253-1254 2 p. (Proceedings of the ASME Summer Bioengineering Conference 2009, SBC2009; no. PART B).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Biomechanical evaluation of a new fixation device for the thoracic spine

Hongo, M., Ilharreborde, B., Gay, R. E., Zhao, C., Zhao, K. D., Berglund, L. J., Zobitz, M. & An, K. N., Aug 1 2009, In : European Spine Journal. 18, 8, p. 1213-1219 7 p.

Research output: Contribution to journalArticle

28 Scopus citations

Junction kinematics between proximal mobile and distal fused lumbar segments: biomechanical analysis of pedicle and hook constructs

Hongo, M., Gay, R. E., Zhao, K. D., Ilharreborde, B., Huddleston, P. M., Berglund, L. J., An, K. N. & Zhao, C., Oct 1 2009, In : Spine Journal. 9, 10, p. 846-853 8 p.

Research output: Contribution to journalArticle

10 Scopus citations
2008

Effect of multiple freeze-thaw cycles on intervertebral dynamic motion characteristics in the porcine lumbar spine

Hongo, M., Gay, R. E., Hsu, J. T., Zhao, K. D., Ilharreborde, B., Berglund, L. J. & An, K. N., Jan 1 2008, In : Journal of Biomechanics. 41, 4, p. 916-920 5 p.

Research output: Contribution to journalArticle

36 Scopus citations

Evidence-informed management of chronic low back pain with traction therapy

Gay, R. E. & Brault, J. S., Jan 1 2008, In : Spine Journal. 8, 1, p. 234-242 9 p.

Research output: Contribution to journalReview article

25 Scopus citations

Stress in lumbar intervertebral discs during distraction: a cadaveric study

Gay, R. E., Ilharreborde, B., Zhao, K. D., Berglund, L. J., Bronfort, G. & An, K. N., Nov 1 2008, In : Spine Journal. 8, 6, p. 982-990 9 p.

Research output: Contribution to journalReview article

14 Scopus citations

The effect of loading rate and degeneration on neutral region motion in human cadaveric lumbar motion segments

Gay, R. E., Ilharreborde, B., Zhao, K., Boumediene, E. & An, K. N., Jan 1 2008, In : Clinical Biomechanics. 23, 1, p. 1-7 7 p.

Research output: Contribution to journalArticle

21 Scopus citations
2007
37 Scopus citations
2006

Response to letter to the editor by Cox [4]

Gay, R., Jan 1 2006, In : Journal of Manipulative and Physiological Therapeutics. 29, 1, 1 p.

Research output: Contribution to journalLetter

Sagittal plane motion in the human lumbar spine: Comparison of the in vitro quasistatic neutral zone and dynamic motion parameters

Gay, R. E., Ilharreborde, B., Zhao, K., Zhao, C. & An, K. N., Nov 1 2006, In : Clinical Biomechanics. 21, 9, p. 914-919 6 p.

Research output: Contribution to journalArticle

34 Scopus citations

The realiability of intradiscal stress profilometry in cadaveric lumbar dics

Gay, R. E., Zhao, K. D., Ilharreborde, B., Bridges, J. & An, K. N., Dec 1 2006, In : Journal of Musculoskeletal Research. 10, 4, p. 163-171 9 p.

Research output: Contribution to journalArticle

1 Scopus citations
2005

Are tender points associated with cervical radiculopathy?

Letchuman, R., Gay, R. E., Shelerud, R. A. & VanOstrand, L. A., Jul 1 2005, In : Archives of Physical Medicine and Rehabilitation. 86, 7, p. 1333-1337 5 p.

Research output: Contribution to journalArticle

7 Scopus citations

Chronic lateral epicondylitis: Comparative effectiveness of a home exercise program including stretching alone versus stretching supplemented with eccentric or concentric strengthening

Martinez-Silvestrini, J. A., Newcomer, K. L., Gay, R. E., Schaefer, M. P., Kortebein, P. & Arendt, K. W., Oct 1 2005, In : Journal of Hand Therapy. 18, 4, p. 411-420 10 p.

Research output: Contribution to journalArticle

99 Scopus citations

Distraction manipulation of the lumbar spine: A review of the literature

Gay, R. E., Bronfort, G. & Evans, R. L., May 2005, In : Journal of Manipulative and Physiological Therapeutics. 28, 4, p. 266-273 8 p.

Research output: Contribution to journalReview article

25 Scopus citations

Sensitivity of the patient-rated forearm evaluation questionnaire in lateral epicondylitis

Newcomer, K. L., Martinez-Silvestrini, J. A., Schaefer, M. P., Gay, R. E. & Arendt, K. W., Oct 1 2005, In : Journal of Hand Therapy. 18, 4, p. 400-406 7 p.

Research output: Contribution to journalArticle

54 Scopus citations
2003
142 Scopus citations
1993

The curve of the cervical spine: Variations and significance

Gay, R. E., Dec 1 1993, In : Journal of Manipulative and Physiological Therapeutics. 16, 9, p. 591-594 4 p.

Research output: Contribution to journalReview article

36 Scopus citations