Current Research
Researchers at National University are currently involved in a wide variety of research projects. Select a category below to explore our current studies.
Occasionally National University seeks volunteers to participate in research studies. Opportunities will be posted below when they are available.
Research in Basic Science
Researchers at National University have conducted groundbreaking research in the basics sciences, especially in respect to key findings that impact complementary and alternative medicine. Below you can read summaries of recent and ongoing projects in basic sciences.
Relationship of Cavitation to Gapping Following Spinal Manipulation
Principal Investigator: Gregory D. Cramer, DC, PhD
Sound and Vibration Recordings from the Lumbar Z Joints During Normal Motion and Spinal Manipulation
Principal Investigator: Gregory D. Cramer, DC, PhD
Ultrasound assessment of the spine before, during and after spinal manipulation
Principal Investigator: Gregory Cramer, DC, PhD
Assessment of Z Joints Using Sound and Vibration Recordings and Ultrasound Imaging of the Spine Before, During, and After Spinal Manipulation
Principal Investigator: Gregory Cramer, DC, PhD
Utilizing a Spine Phantom To Assess Accelerometry
Principal Investigator: Gregory Cramer, D.C., Ph.D.
Histological Assessment of Progressive Facet Joint Osteoarthritis Following Lumbar Spinal Hypomobility
Principal Investigator: Josh Little, D.C., Ph.D. (St. Louis University); Co- Investigator: Gregory D. Cramer, D.C., Ph.D. (NUHS)
Automation Of Methods Using Crepitus as a Biomarker for Spinal Joint Function
Principal Investigator: Gregory D. Cramer, D.C., Ph.D
Research in Clinical Science
Tracking treatment applications and various practices in the clinical field is an important category of research. Such findings help practitioners deliver a higher quality of patient care. Below are National University’s current projects tracking the effectiveness and clinical applications of specific treatment modalities.
Analysis of Crepitus in Human Subjects
Principal Investigator: Gregory D. Cramer, D.C., Ph.D. Gregory Roytman, D.C. (Yale)
Research in CAM Education
There is a growing need for research in education within complementary and alternative medical fields. National University promulgates original research in educational strategies for complementary and alternative medical fields.
Curriculum Development in Evidence-Based Practice
Principal Investigator: Gregory D. Cramer, DC, PhD, Co-Investigators: Jerrilyn Cambron, DC, PhD, Thomas Grieve, DC, Barbara Sullivan, PhD
Case Study Initiative (CSI)
Principal Investigator: Gregory D. Cramer, DC, PhD, Co-Investigator: Jerrilyn Cambron, DC, MPH, PhD
Health Communities and Healthy Minds and Bodies: How Do Chiropractic Educational Institutions Promote Health in Their Communities?
Principal Investigator: Claire Johnson, DC
Comparison Of Online To Face-To-Face Instruction For Anatomy Review In A Third Year Clinical Course
Principal Investigator: Gregory Cramer, D.C., Ph.D
Student Awareness Of Nuhs Research
Principal Investigator: Gregory Cramer, D.C., Ph.D.
Collection of Sexual Orientation and Gender Identity Information in Doctor of Chiropractic Program Teaching Clinics in the US: A Cross-Sectional Analysis of Patient Intake Forms
Principal Investigator: Claire Johnson, D.C. Ph.D.
Public Health Issues Relevant to Chiropractic Practicioners During COVID-19 Pandemic
Principal Investigator: Claire Johnson, D.C. Ph.D
Physical Activity and Participation in Sports in Children and Adolescents During the First Year of the COVID-19 Pandemic: Analysis of the 2020 National Health Interview Survey
Principal Investigator: Claire Johnson, D.C. Ph.D.
Comparison Face-to-Face to Hybrid Format in Student Learning in a Bachelors Level Anatomy Course Laboratory
Principal Investigator: James Salvatore, D.C
Literature Review of Common Health Conditions Reported Concurrently with Spine Concerns: A Systematic Mapping Review
Principal Investigator: Bart Green, D.C., PhD; Faculty Sponsor: Claire Johnson D.C., Ph.D.
Chiropractic Education and Training of Students and Graduates Worldwide: A Scoping Review Protocol
Principal Investigator: Claire Johnson D.C., Ph.D.