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CBP® Research

Chiropractic BioPhysics® (CBP®) Technique is the most published named technique within the Index Medicus (pub-med journals) in the Chiropractic profession. Thus, Chiropractic BioPhysics (CBP) technique is one of the most scientifically validated techniques in chiropractic.

Chiropractic Biophysics Non-profit, Inc. is a 501(c)(3) nonprofit corporation dedicated to the advancement of chiropractic principles through scientific research. Dr. Don Harrison (deceased) and his second wife Dr. Deanne LJ Harrison (deceased) founded CBP research foundation in 1982; it was registered as CBP Non-Profit, Inc. in 1989 by Dr. Sang Harrison (Don’s 3rd and final life’s love). Through this organization Dr. Don and colleagues have published 140 peer-reviewed spine and Chiropractic research publications. Further, CBP Non-Profit, Inc. has funded many scholarships as well as donated chiropractic equipment to many chiropractic colleges; always trying to support chiropractic advancement and education. Dr. Don Harrison was the acting president of CBP Non-Profit, Inc. since 1982. Currently, Dr. Deed Harrison (Don’s son) is the President of CBP Non-Profit, Inc.

Results of our studies have been published in prestigious research journals and presented at respected conferences around the world. Your (Chiropractic donations) support enables us to continue important research and gives you a voice in the course our studies take. Join today, either as a regular member or member of the President’s Circle. The result will be better chiropractic techniques, stronger chiropractic practices, and healthier chiropractic patients.

CBP® research consists of studies on a variety of CBP® technique related topics including:

  1. Spine modeling studies evaluating ideal and average human alignment variables,
  2. Spine biomechanics studies analyzing loads, stress, and strains,
  3. Posture modeling studies,
  4. Reliability of measurements and evaluation of patients (x-ray, posture),
  5. Validity of the measurements and evaluation of patients,
  6. Randomized trials evaluating technique outcomes
  7. Non-randomized trials evaluating technique outcomes,
  8. Case series studies evaluating technique outcomes,
  9. Case studies evaluating technique outcomes,
  10. Literature reviews and professional commentaries.

CBP® Peer-Reviewed Clinical Investigations Listed by Study Design / Type

Randomized Clinical Trials (RCT’s)

1. Zaleski BW, Wood J. A comparison of Palmer package and Chiropractic Biophysics for the
    treatment of pain. Proceedings of the International Conference on Spinal Manipulation
    1992; Chicago, IL., May 15-17.
2. Moustafa IM, Diab AA. Rehabilitation for Pain and Lumbar Segmental Motion in Chronic
    Mechanical Low Back Pain: A Randomized Trial. Journal of Manipulative and Physiological
    Therapeutics Volume 35, Issue 4 , Pages 246-253, May 2012.
3. Moustafa IM, Diab AA. Extension traction treatment for patients with discogenic lumbosacral
    radiculopathy: a randomized controlled trial. Clin Rehabil June 8, 2012 Published online
    before print June 8, 2012.

Non-Randomized Clinical Trials (N-RCT’s)

4. Grimston SK, Engsberg JR, Shaw L, Vetanze NW. Muscular rehabilitation prescribed in
    coordination with prior chiropractic therapy as a treatment for sacroiliac subluxation in
    female distance runners. Chiropractic Sports Med 1990; 4(1):2-8.
5. Harrison DE, Harrison DD, Cailliet R, Janik TJ, Holland B. Changes in Sagittal Lumbar
    Configuration with a New Method of Extension Traction: Non-randomized Clinical Control 
    Trial. Arch Phys Med Rehab 2002;83(11):1585-1591.
6. Harrison DD, Jackson BL, Troyanovich SJ, Robertson GA, DeGeorge D, Barker WF. The Efficacy
    of Cervical Extension-Compression Traction Combined with Diversified Manipulation and Drop
    Table Adjustments in the Rehabilitation of Cervical Lordosis. J Manipulative Physiol Ther
    1994;17(7):454-464.
7. Harrison DE, Harrison DD, Betz J, Colloca CJ, Janik TJ, Holland B. Increasing the Cervical
    Lordosis with Seated Combined Extension-Compression and Transverse Load Cervical Traction
    with Cervical Manipulation: Non-randomized Clinical Control Trial. J Manipulative Physiol
    Ther 2003; 26(3): 139-151.
8. Harrison DE, Cailliet R, Harrison DD, Janik TJ, Holland B. New 3-Point Bending Traction
    Method of Restoring Cervical Lordosis Combined with Cervical Manipulation: Non-randomized
    Clinical Control Trial. Arch Phys Med Rehab 2002; 83(4): 447-453.
9. Harrison DE, Harrison DD, Haas JW, Betz JW, Janik TJ, Holland B. Conservative Methods to
    Correct Lateral Translations of the Head: A Non-randomized Clinical Control Trial. J Rehab
    Res Devel 2004;41(4):631-640.
10. Harrison DE, Cailliet R, Betz JW, Harrison DD, Haas JW, Janik TJ, Holland B. Harrison Mirror
    Image Methods for Correcting Trunk List: A Non-randomized Clinical Control Trial. Eur Spine J
    2004; Euro Spine J 2005; 14(2):155-162.

CBP Published Case Studies
Chiropractic Pediatrics by Year

11. Peet J. Brachial plexus injury in an infant with Down’s syndrome: A case study. Chiropractic
      Pediatrics 1994; 1(2):11-14.
12. Marko SK. Case study: The effect of chiropractic care in an infant with problems of Constipation.
      Chiropractic Pediatrics 1994 ; 1:23-24. 
13. Garde R. Asthma & Chiropractic. Chiropractic Pediatrics 1994; 1(3): 9-16.
14. Marko R. Bedwetting: Tow Case Studies. Chiropractic Pediatrics 1994; 1(2): 21-22. 
15. Krauss L. Case Study: Infants inability to breast feed. Chiropractic Pediatrics 1994; 1(3):27.
16. Peet J, Marko SK, Piekarczk W. Chiropractic response in the pediatric patient with Asthma:
      A Pilot Study. Chiropractic Pediatrics 1995; 1(4):9-13. 
17. Krauss L. Case Study: Birth Trauma resulting in colic. Chiropractic Pediatrics 1995; 2(1):10-11.
18. Marko R. Chiropractic Biophysics Technique in care of a child with Otitis Media. Chiropractic
      Pediatrics 1996; 2(2):13&26. 
19. Marko SK. Adjusting the newborn infant with Jaundice. Chiropractic Pediatrics 1996; 2(3):9-10. 
20. Peet J. Case Study: Chiropractic results with a child with reoccurring Otitis Media accompanied
      by Effusion. Chiropractic Pediatrics 1996; 2(2):8,11, & 12. 
21. Peet J. Adjusting the Febrile pediatric patient. Chiropractic Pediatrics 1996; 2(3):11-12. 
22. Peet J. Adjusting the Hyperactive/A.D.D. pediatric patient. Chiropractic Pediatrics 1997;
      2(4):12-13, 16. 
23. Peet J. Case study: Three year old female with acute stomach problems. Chiropractic Pediatrics
      1997; 3(1):10-11. 
24. Peet P. Child with chronic illness: Respiratory Infections, ADHD, and fatigue response to
      chiropractic care. Chiropractic Pediatrics 1997; 3(1):12-13.
25. Marko SK. Case Study: Ten year old male with severe Asthma. Chiropractic Pediatrics 1997;
      3(2):6-8.
26. Peet J. Case Study: Eight year old female with chronic Asthma. Chiropractic Pediatrics 1997;
      3(2):9-12.
27. Marko RB. A case study: Four year old female with Vesicoureteral Reflux. Chiropractic Pediatrics
      1998; 3(3):12-13.
28. Marko SK. Case Study: Sven year old female with Asthma, Constipation, and Headaches among
      other symptoms. Chiropractic Pediatrics 1998 4(1):14-15.

Index Medicus & ICL Case Studies

29. Harrison DE, Bula JB. Non-operative correction of flat back using lumbar extension traction:
      A case study of three. J Chiropractic Education 2002;16(1).
30. Troyanovich SJ, Buettner M. A structural chiropractic approach to the management of diffuse
      idiopathic skeletal hyperostosis. J Manipulative Physiol Ther 2003;26:202-206.
31. Colloca CJ, Polkinghorn BS. Chiropractic management of Ehlers-Danlos Syndrome: A report of
      two cases. J Manipulative Physiol Ther 2003;26:448-459.
32. Paulk GP, Bennett DL, Harrison DE. Management of a chronic lumbar disk herniation with
      CBP methods following failed chiropractic manipulative intervention. J Manipulative Physiol
      Ther 2004; 27(9): 579e1-579e7.
33. Bastecki A, Harrison DE, Haas JW. ADHD: A CBP case study. J Manipulative Physiol Ther 2004;
      27(8): 525e1-525e5.
34. Ferrantelli JR, Harrison DE, Harrison DD, Steward D. Conservative management of previously
      unresponsive whiplash associated disorders with CBP methods: a case report. J Manipulative
      Physiol Ther 2005; 28(3):e1-8.
35. Haas JW, Harrison DE, Harrison DD, Bymers B. Reduction of symptoms in a patient with
      syringomyelia, cluster headaches, and cervical kyphosis. J Manipulative Physiol Ther
      2005; 28(6):452.
36. Oakley PA, Harrison DE. Use of Clinical Biomechanics of Posture (CBP) protocol in a
      postsurgical C4-C7 total fusion patient. A case study. J Chiropractic Education 2005;19(1):66.
37. Harrison DE, Oakley PA, Harrison DD. Reduction of deformity after chiropractic biophysics
      mirror image care incorporating the non-commutative property of finite rotation angles in
      five patients with thoracolumbar scoliosis. J Chiropractic Education 2006;20(1):19-20.
38. Fedorchuk C. Correction of subluxation and reduction of dyspnea in a 7 year-old child suffering
      from chronic cough and asthma: A case report. J Vertebral Subluxation Res 2007; November
      28: 1-5.
39. Berry RH, Oakley PA, Harrison DE. A structural approach to the postsurgical laminectomy case.
      J Vert Sublux Res 2007; March 19:1-7. 
40. Fedorchuk C. Case Report: Treatment and Recovery of a Patient Suffering From Muscular
      Dystrophy, and Hypertension Utilizing Chiropractic Care. JVSR 2008; No.26:5-6.
41. Fedorchuk C, Cohen A. Resolution of Chronic Otitis Media. J Ped Mat Family Health Chiropractic
      2009; No.2: 1-8.
42. Fedorchuk C, Wheeler G. Resolution of Headaches in a 13 Year-Old Following Restoration of
      Cervical Curvature Utilizing Chiropractic Biophysics: A Case Report. J Ped Mat Family Health
      Chiropractic 2009; Nov. 30: 1-7.
43. Cardwell A, Ferrucci M, Harrison DE. Chiropractic BioPhysics® (CBP®) Protocol on a Patient
      with Tourette’s syndrome, Tardive Dyskinesia, CREST syndrome, and Fatigue. JVSR 2009;.
44. Fedorchuk C, Wetterlin JK, McCoy M. Reduction of subluxation using CBP technique and
      improvement of childhood idiopathic scoliosis: A series of seven cases. J. Pediatric
      Maternal & Family Health 2010; Dec. 9:220-222.
45. Fedorchuk C, Burk L, Phillips SL. Reduction in Cholesterol and Improved Quality of Life in
      a Patient with Dyslipidemia Undergoing Chiropractic Care: A Case Study. Annals Vertebral
      Subluxation Res. 2011; June 2: 26-36.
46. Fedorchuk C, St. Bernard A. Improvement in Gastro Esophageal Reflux Disease Following
      Chiropractic Care and the ALCAT Procedure. Annals of Vertebral Subluxation Research ~
      June 23, 2011 ~ Pages44-50

X-Ray Reliability Studies

47. Jackson BL, Harrison DD, Robertson GA, Barker WF. Chiropractic Biophysics Lateral 
      Cervical Film Analysis Reliability. J Manipulative Physiol Ther 1993;16(6): 384-91.
48. Troyanovich SJ, Robertson GA, Harrison DD, Holland B.  Intra- and Interexaminer Reliability
      of the Chiropractic Biophysics Lateral Lumbar Radiographic Mensuration Procedure.
      J Manipulative Physiol Ther 1995;18(8):519-524.
49. Troyanovich SJ, Harrison DE, Harrison DD, Holland B, Janik TJ.  A Further Analysis of
      the Reliability of  the Posterior Tangent Lateral Lumbar Radiographic Mensuration
      Procedure: Concurrent Validity of Computer Aided X-ray Digitization. J Manipulative
      Physiol Ther 1998; 21(7): 460-467.
50. Troyanovich SJ, Harrison SO, Harrison DD, Harrison DE, Payne M, Janik TJ, Holland B.
      Chiropractic Biophysics Digitized Radiographic Mensuration Analysis of the Anteroposterior 
      Lumbar View: A Reliability Study. J Manipulative Physiol Ther 1999; 22(5): 309-315.
51. Troyanovich SJ, Harrison DE, Harrison DD, Harrison SO, Janik TJ, Holland B. Chiropractic 
      Biophysics Digitized Radiographic Mensuration Analysis of the Anteroposterior  Cervico-
      thoracic View: A Reliability Study. J Manipulative Physiol Ther 2000; 23: 476-82.
52. Harrison DE, Harrison DD, Cailliet R, Troyanovich SJ, Janik TJ, Holland B. Cobb Method or
      Harrison Posterior Tangent Method: Which is Better for Lateral Cervical Analysis? Spine
      2000; 25(16): 2072-78.
53. Harrison DE, Cailliet R, Harrison DD, Janik TJ, Holland B. Centroid, Cobb or Harrison
      Posterior Tangents: Which to Choose for Analysis of Thoracic Kyphosis? Spine 2001; 
      26(11): E227-E234.
54. Harrison DE, Cailliet R, Harrison DD, Janik TJ, Holland B. Radiographic Analysis of Lumbar
      Lordosis: Cobb Method, Centroidal Method, TRALL or Harrison Posterior Tangents? Spine 2001;
      26(11): E235-E242.
55. Janik TJ, Harrison DE, Harrison, DD, Payne MR, Coleman RR, Holland B.   Reliability of 
      lateral bending and axial rotation with validity of a New Method to determine Axial
      Rotations on AP Radiographs. J Manipulative Physiol Ther 2001; 24(7): 445-448.
56. Harrison DE, Holland B, Harrison DD, Janik TJ.  Further Reliability Analysis of the Harrison
      Radiographic Line Drawing Methods: Crossed ICCs for Lateral Posterior Tangents and AP 
      Modified Risser-Ferguson. J Manipulative Physiol Ther 2002; 25: 93-98.
57. Normand MC, Harrison DE, Cailliet R, Black P, Harrison DD, Holland B. Reliability and 
      Measurement Error of the BioTonix Video Posture Evaluation System. Part I: Inanimate 
      objects. J Manipulative Physiol Ther 2002; 25(4): 246-250. 
58. Harrison DE, Harrison DD, Colloca CJ, Betz JW, Janik TJ, Holland B. Repeatability Over 
      Time of Posture, X-ray Positioning, and X-ray Line Drawing: An Analysis of Six Control 
      Groups. J Manipulative Physiol Ther 2003; 26(2):87-98.
59. Harrison DE, Haas JW, Cailliet R, Harrison DD, Janik TJ, Holland B. Concurrent Validity 
      of the Flexicurve Instrument Measurements: Sagittal Skin Contour of the Cervical Spine 
      Compared to Lateral Cervical radiographic Measurements. J Manipulative Physiol Ther 2005;
      28(8):597-603.
60. Harrison DE, Haas JW, Harrison DD, Janik TJ, Holland B. Sagittal Skin Contour of the Cervical
      Spine: Inter-examiner and Intra-examiner Reliability of the Flexicurve Instrument. J 
      Manipulative Physiol Ther 2005; 28(7):516-9.

Spinal Modeling / Biomechanics Studies

61. Harrison DD, Janik TJ, Troyanovich SJ, Holland B. Comparisons of Lordotic Cervical Spine
      Curvatures to a Theoretical Ideal Model of the Static Sagittal Cervical Spine.
      Spine 1996;21(6):667-675.
62. Harrison DD, Janik TJ, Troyanovich SJ, Harrison DE, Colloca CJ. Evaluations of the
      Assumptions Used to Derive an Ideal Normal Cervical Spine Model. J Manipulative
      Physiol Ther 1997; 20(4): 246-256.
63. Troyanovich SJ, Cailliet R, Janik TJ, Harrison DD, Harrison DE. Radiographic Mensuration 
      Characteristics of the Sagittal Lumbar Spine From A Normal Population with a Method to 
      Synthesize Prior Studies of  Lordosis. J Spinal Disord 1997;10(5): 380-386.
64. Harrison DD, Cailliet R, Janik TJ, Troyanovich SJ, Harrison DE, Holland B. Elliptical 
      Modeling of the Sagittal Lumbar Lordosis and Segmental Rotation Angles as a Method to
      Discriminate Between Normal and Low Back Pain Subjects.  J Spinal Disord 1998; 11(5):
      430-439.
65. Janik TJ, Harrison DD, Cailliet R, Troyanovich SJ, Harrison DE. Can the Sagittal Lumbar
      Curvature be Closely Approximated by an Ellipse?  J Orthop Res 1998; 16(6): 766-770.
66. Harrison DE, Harrison DD, Janik TJ, Jones EW, Cailliet R, Normand M. Comparison of Axial 
      and Flexural Stresses in Lordosis and Three Buckled Modes in the Cervical Spine. Clin 
      Biomech 2001; 16(4): 276-284.
67. Harrison DD, Jones EW, Janik TJ, Harrison DE.  Evaluation of Flexural Stresses in the 
      Vertebral body Cortex and Trabecular Bone in Three Cervical Configurations with an 
      Elliptical Shell Model. J Manipulative Physiol Ther 2002; 25(6): 391-401.
68. Harrison DE, Janik TJ, Harrison DD, Cailliet R, Harmon S. Can the Thoracic Kyphosis be 
      Modeled with a Simple Geometric Shape? The Results of Circular and Elliptical Modeling 
      in 80 Asymptomatic Subjects. J Spinal Disord 2002; 15(3): 213-220.
69. Harrison DE, Harrison DD, Janik TJ, Cailliet R, Haas JW. Do alterations in vertebral and 
      disc dimensions affect an elliptical model of the thoracic kyphosis? Spine 2003; 28(5):
      463-469.
70. Keller TS, Harrison DE, Colloca CJ, Harrison DD, Janik TJ. Prediction of osteoporotic
      spinal deformity. Spine 2003; 28(5): 455-462.
71. Harrison DD, Harrison DE, Janik TJ, Cailliet R, Haas JW, Ferrantelli J, Holland B.
      Modeling of the Sagittal Cervical Spine as a Method to Discriminate Hypo-Lordosis: 
      Results of Elliptical and Circular Modeling in 72 Asymptomatic Subjects, 52 Acute
      Neck Pain Subjects, and 70 Chronic Neck Pain Subjects. Spine 2004; 29:2485-2492.
72. Harrison DE, Colloca CJ, Keller TS, Harrison DD, Janik TJ. Anterior thoracic posture
      increases thoracolumbar disc loading. Eur Spine J 2005:14:234-242.
73. McAviney J, Schulz D, Richard Bock R, Harrison DE, Holland B. Determining a clinical 
      normal value for cervical lordosis. J Manipulative Physiol Ther 2005;28:187-193.
74. Keller TS, Colloca CJ, Harrison DE, Harrison DD, Janik TJ. Morphological and Biomechanical 
      Modeling of the Thoracoc-lumbar Spine: Implications for the Ideal Spine. Spine Journal 
      2005; 5:297-305.
75. Harrison DE, Haas JW, Harrison DD, Janik TJ, Holland B. Do Sagittal Plane Anatomical 
      Variations (Angulation) of the Cervical Facets and C2 Odontoid Affect the Geometrical 
      Configuration of the Cervical Lordosis? Results from Digitizing Lateral Cervical 
      Radiographs in 252 neck pain subjects. Clin Anat 2005; 18:104-111.

Practice Protocols

76. Troyanovich SJ, Harrison DE, Harrison DD.  Review of the Scientific Literature Relevant
      to Structural Rehabilitation of the Spine and Posture: Rationale for Treatment Beyond
      the Resolution of Symptoms. J Manipulative Physiol Ther 1998;21(1):37-50.
77. Troyanovich SJ, Harrison DD, Harrison DE. Low back pain and the lumbar intervertebral
      disc: Clinical considerations for the doctor of chiropractic. J Manipulative Physiol
      Ther 1999; 22(2): 96-104.
78. Harrison DE, Harrison DD, Troyanovich SJ. A Normal Spinal Position, Its Time to Accept
      the Evidence. J Manipulative Physiol Ther 2000; 23: 623-644.
79. Oakley PA, Harrison DD, Harrison DE, Haas, JW. Evidence-Based Protocol for Structural
      Rehabilitation of the Spine and Posture: Review of Clinical Biomechanics of Posture
      (CBP®) Publications. J Canadian Chiro Assoc 2005; 49(4):270-296.
80. Maltby JK, Harrison DD, Harrison DE, Betz JB, Ferrantelli JR, Clum GW. Program of Care
      Derived from Pain Data Reported in RCTs on Low Back Pain. J Vertebral Subluxation
      Research [February 14, 2009, pp 1-16].
81. Maltby JK, Harrison DD, Harrison DE, Betz JW, Ferrantelli JR, Clum GW. Frequency &
      Duration of chiropractic care for headaches, neck, and upper back pain. JVSR 2008;
      August 21:1-12.

Posture Reliability & Validity Studies

82. Harrison DE, Janik TJ, Cailliet R, Harrison DD, Normand MC, Perron DL, Oakley PA.
      Pelvic posture as rotations and translations in three dimensions from three
      two-dimensional digital images. J Chiropractic Education 2006;20(1):18-19.
83. Normand MC, Descarreaux M, Harrison DD, Harrison DE, Perron DL, Ferrantelli JR, Janik
      TJ. Three dimensional evaluation of posture in standing with the PosturePrint: an 
      intra- and inter-examiner reliability study. Chiropractic & Osteopathy 2007;
      Sept. 24th 15:15.
84. Lafond D, Descarreaux M, Harrison DD, Normand MC, Harrison DE. Postural development
      in school children: a cross-sectional study. Chiropr Osteopat 2007; Jan 4; 15:1.
85. Janik TJ, Harrison DE, Cailliet R, Harrison DD, Normand MC, Perron DL. Validation of 
      an algorithm to estimate 3-D rotations and translations of the head in upright posture
      from three 2-D images. J Manipulative Physiol Ther 2007;30(2):124-129.
86. Harrison DE, Janik TJ, Cailliet R, Harrison DD, Normand MC, Perron DL, Ferrantelli
      JR. Validation of an algorithm to estimate 3-D rotations and translations of the rib
      cage in upright posture from three 2-D digital images. Eur Spine J 2007; 16(2):213-218.
87. Harrison DE, Janik TJ, Cailliet R, Harrison DD, Normand MC, Perron DL, Oakley PA.
      Upright static pelvic posture as rotations and translations in 3-dimensional from three
      2-dimensional digital images: validation of a computerized analysis. J Manipulative
      Physiol Ther 2008 Feb;31(2):137-45.

Reviews of the Literature

88. Harrison DD, Troyanovich SJ, Harrison DE, Janik TJ, Murphy DJ.  A Normal Sagittal Spinal
      Configuration: A Desirable Clinical Outcome. J Manipulative Physiol Ther 1996;19(6):398-405.
89. Harrison DE, Harrison DD, Troyanovich SJ.  The Sacroiliac Joint:  A Review of Anatomy and
      Mechanics. J Manipulative Physiol Ther 1997; 20(9): 607-17.
90. Harrison DE, Harrison DD, Troyanovich SJ.  Three-Dimensional Spinal Coupling Mechanics.
      Part I: A Review of the Literature. J Manipulative Physiol Ther 1998; 21(2): 101-113.
91. Harrison DE, Harrison DD, Troyanovich SJ. Three-Dimensional Spinal Coupling Mechanics.
      Part II: Implications for Chiropractic Theories and Practice. J Manipulative Physiol
      Ther 1998;  21(3): 177-86 .
92. Harrison DE, Cailliet R, Harrison DD, Troyanovich SJ, Harrison SO. A Review of Biomechanics
      of the Central Nervous System. PART I: Spinal Canal Deformations Due to Changes in Posture.
      J Manipulative Physiol Ther 1999; 22(4):227-234.
93. Harrison DE, Cailliet R, Harrison DD, Troyanovich SJ, Harrison SO. A Review of Biomechanics
      of  the Central Nervous System. PART II: Strains in the Spinal Cord from Postural Loads.
      J Manipulative Physiol Ther 1999; 22(5):322-332.
94. Harrison DE, Cailliet R, Harrison DD, Troyanovich SJ, Harrison SO. A Review of Biomechanics
      of the Central Nervous System. PART III: Spinal Cord Stresses from Postural Loads and
      Their Neurologic Effects. J Manipulative Physiol Ther 1999; 22(6):399-410.
95. Harrison DD, Harrison SO, Croft AC, Harrison DE, Troyanovich SJ. Sitting Biomechanics
      Part I: Review of the Literature. J Manipulative Physiol Ther 1999; 22(9): 594-609.
96. Harrison DD, Harrison SO, Croft AC, Harrison DE, Troyanovich SJ. Sitting Biomechanics
      Part II: Optimal Car Driver’s Seat and Optimal Driver’s Spinal Model. J Manipulative
      Physiol Ther 2000; 23(1): 37-47. 
97. Oakley PA, Harrison DD, Harrison DE, Haas JW. On "phantom risks" associated with 
      diagnostic ionizing radiation: evidence in support of revising radiography standards 
      and regulations in chiropractic. J Canadian Chiro Assoc 2005; 49(4):264-269.
98. Harrison DE, Harrison DD, Oakley PA, Haas JW. Use of fallacious arguments, ad hominem 
      attacks, and biased ‘expert opinions’ can make CBP research ‘appear flawed’. J Canadian
      Chiro Assoc 2006; 50(3):
99. Oakley PA, Harrison DD, Harrison DE, Haas JW. A rebuttal to Chiropractic Radiologists’ 
      view of the 50-year-old linear-no-threshold radiation risk model. J Canadian Chiro Assoc 
      2006; 50(3):172-181.
100. Oakley PA, Betz JW, Haas JW. A history of spine traction. JVSR 2007;Mar 2:1-12.
101. Harrison DE, Betz J, Ferrantelli JF. Sagittal spinal curves and health. JVSR 2009 
       July 31, pp 1-8.

Critical Appraisal of Chiropractic Methods

102. Harrison DD, Colloca CJ, Troyanovich SJ, Harrison DE. Torque: An Appraisal of
        Misuse of Terminology in Chiropractic Literature and Technique. J Manipulative Physiol
        Ther 1996;19(7): 454-462.
103. Harrison DE, Harrison DD, Troyanovich SJ. Reliability of Spinal Displacement Analysis
        on Plane X-rays: A Review of Commonly Accepted Facts and Fallacies with Implications
        for Chiropractic Education and Technique. J Manipulative Physiol Ther 1998;21:252-66.
104. Troyanovich SJ, Harrison DD, Harrison DE. Commentary, Motion Palpation: It’s Time to
        accept the evidence. J Manipulative Physiol Ther 1998; 21(8): 569-571.
105. Harrison DD, Colloca CJ, Troyanovich SJ, Harrison DE.  Commentary, Torque Misuse
        Revisited. J Manipulative Physiol Ther 1998; 21(9): 649-655.

X-Ray Projection

106. Coleman RR, Bernard BB, Harrison DE. The Effects of Real Life X-axis Vertebral
        Translation on Projected Y-axis Vertebral Rotation Images. J Manipulative Physiol
        Ther 1998;21:333-40.
107. Coleman RR, Bernard BB, Harrison DE, Harrison SO. Correlation and quantification 
        of projected 2-D radiographic images with actual 3-D y-axis vertebral rotations. 
        J  Manipulative Physiol Ther 1999; 22(1): 21-25.
108. Coleman RR, Harrison DE, Fischer T, Harrison SO. Correlation and Quantification
        of Relative 2-D Projected Vertebral Endplate Z-axis Rotations with 3-D Y-axis
        Vertebral Rotations and Focal Spot Elevation. J Manipulative Physiol Ther 2000;
        23(6): 414-419.
109. Coleman RR, Harrison DE, Bernard BB. The Effects of Combined X-axis Translations
        and Y-axis Rotations on Projected Lamina Junction Offset. J Manipulative Physiol 
        Ther 2001; 24(8): 509-513.

Spinal Coupling / Kinematics Under Posture & Manipulative Thrusts

110. Harrison DE, Cailliet R, Harrison DD, Janik TJ, Troyanovich SJ, Coleman RR. Lumbar
        Coupling During Lateral Translations of the Thoracic Cage Relative to a Fixed
        Pelvis. Clin Biomech 1999; 14(10): 704-709.
111. Harrison DE, Harrison DD, Cailliet R, Troyanovich SJ, Janik TJ. Cervical Coupling
        During Lateral Head Translations Creates an “S”-Configuration. Clin Biomech 2000;
        15: 436-440.
112. Harrison DE, Harrison DD, Janik TJ, Holland B, Siskin L. Slight Head Extension:
        Does it Reverse the Cervical Curve? Euro Spine J 2001; 10: 149-153.
113. Harrison DE, Cailliet R, Harrison DD, Janik TJ. How Do Anterior/Posterior
        Translations of the thoracic cage affect the Sagittal Lumbar Spine, Pelvic Tilt,
        and Thoracic Kyphosis? Euro Spine J 2002; 11(3): 287-293. 
114. Keller TS, Colloca CJ, Beliveau JG. Force-deformation response of the lumbar spine:
        a sagittal plane model of posteroanterior manipulation and mobilization.
        Clin Biomech 2002:17(3):185-96.
115. Colloca CJ, Keller TS, Black P, Normand MC, Harrison DE, Harrison DD. Comparison
        of mechanical force of manually assisted chiropractic adjusting instruments.
        J Manipulative Physiol Ther 2005;28(6):414-422.
116. Harrison DE, Betz JW, Cailliet R, Harrison DD, Haas JW, Janik TJ. Production of
        Radiographic Pseudo-Scoliosis from Lateral Thoracic Translation Posture
        (Trunk List). Archives Physical Medicine & Rehabil 2006; Jan;87(1):117-22.
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