Katie Heinrich

Experienced Senior Researcher, CrossFit Expert Witness, and Publications Leader

Manhattan, Kansas, United States of America

Research Expertise

health behavior
addiction recovery
high-intensity functional training
exercise interventions

About

Senior research manager and methodologist with extensive experience designing, deploying, and analyzing large-scale consumer and behavioral surveys across public health, digital platforms, and applied research settings. Highly organized and scientifically rigorous, with deep expertise in quantitative and qualitative methods, including survey programming and statistical analysis using SPSS. Proven record delivering clear, defensible research reports supporting client decision-making, senior leadership, and legal case strategy, including service as an expert witness in multiple successful litigation cases. Experience in managing complex, multi-year research projects on time and within budget, including federally funded studies exceeding $2.5 million.

Publications

Obesity and the Built Environment
Journal of the American Dietetic Association
2005
High-Intensity Functional Training (HIFT): Definition and Research Implications for Improved Fitness
Sports
2018
High-intensity compared to moderate-intensity training for exercise initiation, enjoyment, adherence, and intentions: an intervention study
BMC Public Health
2014
The Physical Activity Resource Assessment (PARA) instrument: Evaluating features, amenities and incivilities of physical activity resources in urban neighborhoods
International Journal of Behavioral Nutrition and Physical Activity
2005
Exploring the Distribution of Park Availability, Features, and Quality Across Kansas City, Missouri by Income and Race/Ethnicity: an Environmental Justice Investigation
Annals of Behavioral Medicine
2013
Mission Essential Fitness: Comparison of Functional Circuit Training to Traditional Army Physical Training for Active Duty Military
Military Medicine
2012
The Benefits of High-Intensity Functional Training Fitness Programs for Military Personnel
Military Medicine
2016
Obesity, Physical Activity, and Sedentary Behavior of Youth With Learning Disabilities and ADHD
Journal of Learning Disabilities
2014
High-intensity functional training improves functional movement and body composition among cancer survivors: a pilot study
European Journal of Cancer Care
2015
Is High-Intensity Functional Training (HIFT)/CrossFit Safe for Military Fitness Training?
Military Medicine
2016
Gender Differences in Stress and Coping Among Adults Living in Hawai`i
Californian Journal of Health Promotion
2007
How Does the Built Environment Relate to Body Mass Index and Obesity Prevalence among Public Housing Residents?
American Journal of Health Promotion
2008
Associations between the built environment and physical activity in public housing residents
International Journal of Behavioral Nutrition and Physical Activity
2007
Are Changes in Physical Work Capacity Induced by High-Intensity Functional Training Related to Changes in Associated Physiologic Measures?
Sports
2018
Physical Activity–Related Policy and Environmental Strategies to Prevent Obesity in Rural Communities: A Systematic Review of the Literature, 2002–2013
Preventing Chronic Disease
2016
Obesity Classification in Military Personnel: A Comparison of Body Fat, Waist Circumference, and Body Mass Index Measurements
Military Medicine
2008
A Picture of the Healthful Food Environment in Two Diverse Urban Cities
Environmental Health Insights
2010
Effects of Eight Weeks of High Intensity Functional Training on Glucose Control and Body Composition among Overweight and Obese Adults
Sports
2019
Multiple Fitness Improvements Found after 6-Months of High Intensity Functional Training
Sports
2019
Examining a novel firefighter exercise training program on simulated fire ground test performance, cardiorespiratory endurance, and strength: a pilot investigation
Journal of Occupational Medicine and Toxicology
2019
Mapping Coaches' Views of Participation in CrossFit to the Integrated Theory of Health Behavior Change and Sense of Community
Family & Community Health
2017
Validity, Reliability, and Application of the Session-RPE Method for Quantifying Training Loads during High Intensity Functional Training
Sports
2018
Characteristics of Urban Sidewalks/Streets and Objectively Measured Physical Activity
Journal of Urban Health
2007
Obesogenic Influences in Public Housing: A Mixed-Method Analysis
American Journal of Health Promotion
2006
A selective review of prenatal exercise guidelines since the 1950s until present: Written for women, health care professionals, and female athletes
Women and Birth
2015
Injury Correlates Among a National Sample of Women in the US Fire Service
Journal of Occupational & Environmental Medicine
2020
Exploring the social side of CrossFit: a qualitative study
Mental Health and Social Inclusion
2020
High Intensity Functional Training (HIFT) and competitions: How motives differ by length of participation
PLOS ONE
2019
Differences in Body Composition across Police Occupations and Moderation Effects of Leisure Time Physical Activity
International Journal of Environmental Research and Public Health
2020
Exploring the Relationship Between Physical Activity Knowledge, Health Outcomes Expectancies, and Behavior
Journal of Physical Activity and Health
2011
Astaxanthin Supplemented with High-Intensity Functional Training Decreases Adipokines Levels and Cardiovascular Risk Factors in Men with Obesity
Nutrients
2023
Exercise in the Treatment of Addiction: A Systematic Literature Review
Health Education & Behavior
2022
High-Intensity Functional Training Shows Promise for Improving Physical Functioning and Activity in Community-Dwelling Older Adults: A Pilot Study
Journal of Geriatric Physical Therapy
2019
Neighborhood Environment Perceptions and the Likelihood of Smoking and Alcohol Use
International Journal of Environmental Research and Public Health
2015
Comparison of Physiological Responses and Training Load between Different CrossFit® Workouts with Equalized Volume in Men and Women
Life
2021
An Investigation Into How Motivational Factors Differed Among Individuals Engaging in CrossFit Training
Sage Open
2018
Avoiding a Knowledge Gap in a Multiethnic Statewide Social Marketing Campaign: Is Cultural Tailoring Sufficient?
Journal of Health Communication
2011
Operational stress of police officers: A cross-sectional study in three countries with centralized, hierarchical organization
Policing: A Journal of Policy and Practice
2021
Built Environment Factors Influencing Walking to School Behaviors: A Comparison between a Small and Large US City
Frontiers in Public Health
2016
Municipal Officials' Participation in Built Environment Policy Development in the United States
American Journal of Health Promotion
2015
Municipal Officials' Perceived Barriers to Consideration of Physical Activity in Community Design Decision Making
Journal of Public Health Management and Practice
2013
High-Intensity Functional Training Guided by Individualized Heart Rate Variability Results in Similar Health and Fitness Improvements as Predetermined Training with Less Effort
Journal of Functional Morphology and Kinesiology
2021
Affective responses during high-intensity functional training compared to high-intensity interval training and moderate continuous training.
Sport, Exercise, and Performance Psychology
2020
A Comprehensive Multi-Level Approach for Passing Safe Routes to School and Complete Streets Policies in Hawaii
Journal of Physical Activity and Health
2011
Is age just a number? Differences in exercise participatory motives across adult cohorts and the relationships with exercise behaviour
International Journal of Sport and Exercise Psychology
2019
Roles and Strategies of State Organizations Related to School-Based Physical Education and Physical Activity Policies
Journal of Public Health Management and Practice
2013
Preliminary Analyses Of The Replicability Of Sports And Exercise Science Research
Medicine & Science in Sports & Exercise
2023
Incorporating a Sense of Community in a Group Exercise Intervention Facilitates Adherence
Health Behavior Research
2022
Spirulina Supplementation with High-Intensity Interval Training Decreases Adipokines Levels and Cardiovascular Risk Factors in Men with Obesity
Nutrients
2023
Despite Low Obesity Rates, Body Mass Index Under-Estimated Obesity among Russian Police Officers When Compared to Body Fat Percentage
International Journal of Environmental Research and Public Health
2020
Heart rate variability mediates motivation and fatigue throughout a high-intensity exercise program
Applied Physiology, Nutrition, and Metabolism
2020
What walking means to moms: Insights from a national sample to frame walking in compelling ways to low-income urban mothers
Journal of Transport & Health
2017
Master Plans for Pedestrian and Bicycle Transportation: Community Characteristics
Journal of Physical Activity and Health
2010
Muscular Strength, Power, and Endurance Adaptations after Two Different University Fitness Classes
Sports
2021
The Effectiveness of a CrossFit Training Program for Improving Physical Fitness of Young Judokas: A Pilot Study
Journal of Functional Morphology and Kinesiology
2022
National Study of Changes in Community Access to School Physical Activity Facilities: The School Health Policies and Programs Study
Journal of Physical Activity and Health
2010
Physical access in urban public housing facilities
Disability and Health Journal
2008
Exploring social networks relative to various types of exercise self-efficacy within CrossFit participants
International Journal of Sport and Exercise Psychology
2021
Accuracy of Body Mass Index and Obesity Status in Police Trainees
European Journal of Investigation in Health, Psychology and Education
2022
Can CrossFit aid in addiction recovery? An exploratory media analysis of popular press
Mental Health and Social Inclusion
2020
The association between television viewing time and percent body fat in adults varies as a function of physical activity and sex
BMC Public Health
2019
Driven to Support: Individual- and County-Level Factors Associated With Public Support for Active Transportation Policies
American Journal of Health Promotion
2017
Obesogenic and Youth Oriented Restaurant Marketing in Public Housing Neighborhoods
American Journal of Health Behavior
2014
Multiple Health Behaviors in an Ethnically Diverse Sample of Adults with Risk Factors for Cardiovascular Disease
The Permanente Journal
2011
Perceptions of Important Characteristics of Physical Activity Facilities: Implications for Engagement in Walking, Moderate and Vigorous Physical Activity
Frontiers in Public Health
2017
The Role of Social Support, Self-Efficacy, and Motivation in the Exercise Behavior of Women
Exercise Medicine
2019
Acute Caffeine Supplementation Does Not Improve Performance in Trained CrossFit® Athletes
Sports
2020
Store and Restaurant Advertising and Health of Public Housing Residents
American Journal of Health Behavior
2012
Female empowerment through sport: an exploratory narrative review
Sport in Society
2023
Enhancing cardiometabolic health: unveiling the synergistic effects of high-intensity interval training with spirulina supplementation on selected adipokines, insulin resistance, and anthropometric indices in obese males
Nutrition & Metabolism
2024
A Mixed-Methods Study of Women’s Empowerment through Physical Activities: Relationships with Self-Efficacy and Physical Activity Levels
Journal of Functional Morphology and Kinesiology
2023
Addressing Childhood Obesity in Primary Care Practice: A Challenge and an Opportunity
Southern Medical Journal
2011
Priority of Activity-Friendly Community Issues Among Key Decision Makers in Hawaii
Journal of Physical Activity and Health
2009
Baseline Physical Activity Behaviors and Relationships with Fitness in the Army Training at High Intensity Study
Journal of Functional Morphology and Kinesiology
2022
RETRACTED: Tirzepatide and exercise training in obesity
Clinical Hemorheology and Microcirculation
2024
Non-Traditional Physical Education Classes Improve High School Students’ Movement Competency and Fitness: A Mixed-Methods Program Evaluation Study
International Journal of Environmental Research and Public Health
2023
RETRACTED: The Effects of Acute Caffeine Supplementation on Performance in Trained CrossFit Athletes
Sports
2019
Kansas Legislators Prioritize Obesity but Overlook Nutrition and Physical Activity Issues
Journal of Public Health Management and Practice
2013
Body Composition and Physical Activity of Female Police Officers: Do Occupation and Age Matter?
Sustainability
2022
Network Analysis of the Social Environment Relative to Preference for and Tolerance of Exercise Intensity in CrossFit Gyms
International Journal of Environmental Research and Public Health
2020
Comparisons of Baseline Obesity Prevalence and Its Association with Perceived Health and Physical Performance in Military Officers
Biology
2022
Critical tasks from the Global War on Terror: A combat-focused job task analysis
Applied Ergonomics
2021
Evaluating the Clinical Utility of Daily Heart Rate Variability Assessment for Classifying Meaningful Change in Testosterone-to-Cortisol Ratio: A Preliminary Study
International Journal of Exercise Science
2021
A Statewide Observational Assessment of the Pedestrian and Bicycling Environment in Hawaii, 2010
Preventing Chronic Disease
2011
Lower-body muscular power and exercise tolerance predict susceptibility to enemy fire during a tactical combat movement simulation
Ergonomics
2022
Effects of Maximal and Submaximal Anaerobic and Aerobic Running on Subsequent Change-of-Direction Speed Performance among Police Students
Biology
2022
TRAINING LOAD THROUGH HEART RATE AND PERCEIVED EXERTION DURING CROSSFIT®
Revista Brasileira de Medicina do Esporte
2022
Psychometric Properties of the Serbian Version of the Operational and Organizational Police Stress Questionnaires
Sustainability
2021
A Journal for Public Health Issues in the Asia Pacific: APJPH
Asia Pacific Journal of Public Health
2008
Is Self-Efficacy for Exercise Predictive of Leisure-Time Physical Activity among Police Officers? A Pilot Study
Sustainability
2022
I CrossFit; Do You? Cross-Sectional Peer Similarity of Physical Activity Behavior in a Group High Intensity Functional Training Setting
International Journal of Environmental Research and Public Health
2022
Developing Core Capabilities for Local Health Departments to Engage in Land Use and Transportation Decision Making for Active Transportation
Journal of Public Health Management and Practice
2019
Maternal and Child Health Among Female Firefighters in the U.S.
Maternal and Child Health Journal
2018
Response: Is High-Intensity Functional Training (HIFT)/CrossFit Safe for Military Fitness Training?
Military Medicine
2017
Exploring support provision for recovery from substance use disorder among members of a sober active community
Scientific Reports
2025
Anthropometrics and body composition predict performance during a simulated direct-fire engagement
Ergonomics
2022
High-Intensity Functional Training: Perceived Functional and Psychosocial Health-Related Outcomes from Current Participants with Mobility-Related Disabilities
Sports
2023

Education

B.A., Psychology and Sport Science / May, 1999

Lamoni, Iowa, United States of America

University of Missouri–Kansas City

M.A., Educational Research & Psychology / May, 2001

Kansas City, Missouri, United States of America

University of Missouri–Kansas City

Ph.D., Health Psychology & Educational Research (Interdisciplinary) / December, 2004

Kansas City, Missouri, United States of America

Experience

Kansas State University, Department of Kinesiology

Adjunct Professor / January, 2023Present

Mentor for graduate students for their thesis and dissertation projects and scientific writing

Assistant-to-Full Professor (with tenure) / August, 2010January, 2023

• Provided in-depth scientific research and writing mentorship to undergraduate, MS, MPH, and PhD students and junior faculty members. • Taught in-person and online undergraduate and graduate courses in kinesiology and public health. • Created and directed the Functional Intensity Training Research Lab with a comprehensive research agenda resulting in >$2.6 million in research funding, 130+ presentations, and 45+ publications. • Provided expert testimony in litigation involving exercise-related injury claims, applying scientific evidence to support case strategy and outcomes.

Interim Department Head / July, 2021January, 2023

Managed 16 faculty/staff and a budget of >$1.9 million. Worked closely with development staff to secure additional funding, major gifts, and donations. Revised the faculty and staff annual review processes. Strategically planned for growing instructional needs.

The Phoenix

Senior Researcher / January, 2023January, 2026

• Led the development and dissemination of flagship research outputs and applied publications, conducting data analysis and ensuring scientific accuracy, quality, editorial integrity, and strategic alignment with nonprofit impact goals. • Served as primary publications lead, overseeing manuscript development, peer review revision processes, conference presentations, digital publication planning, and distribution strategies. • Delivered research findings through written reports and presentations tailored to internal leadership, external partners, and decision-making needs under tight timelines. • Built high-impact scholarly content and knowledge resources in collaboration with internal and external authors and leadership. • Provided editorial and research mentoring and support to collaborators and contractors.

University of Hawaii at Manoa, Department of Public Health Sciences

Assistant Professor / September, 2006July, 2010

• Developed and co-taught a graduate-level health promotion research course, guiding MPH students through applied data analysis, manuscript development, and the peer-reviewed publication process. • Served as the Head of the Social and Behavioral Sciences specialization within the MPH program, providing academic leadership and curriculum oversight. • Co-Investigator on the Healthy Hawai’i Initiative, collaborating with the Hawai’i Department of Health and county health departments to support nutrition and physical activity initiatives through research, evaluation, surveys, built environment assessments, RFP and contracts management, policy engagement, technical reports, presentations, and publications.

University of Missouri-Kansas City, Department of Psychology and Basic Medical Sciences

Postdoctoral Research Fellow / June, 2004July, 2006

• Led day-to-day operations for a large, multi-level community health study examining environmental and socioeconomic factors associated with obesity prevalence. • Recruited, trained, and supervised data collectors and coordinated field schedules, logistics, and quality control for data collection and data entry across 21 census block group areas. • Contributed to data analysis, interpretation, and visualization, integrating individual-level health indicators with neighborhood environmental measures. • Prepared study findings for internal and external presentations and co-authored peer-reviewed manuscripts disseminating results to academic audiences.

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