Education

Ph.D. in Biomechanics and Movement Science, 2005. University of Delaware

M.P.T. Masters in Physical Therapy, 2000. University of Delaware

B.S. in Exercise Science: Biomechanics, 1998. Montana State University, Bozeman

Courses Taught

PT 527 Physical and Electrophysiological Agents (Course Coordinator, Primary instructor)

PT 529 Biomechanics (Course Coordinator and Primary Instructor)

PT 569 Orthopedic Physical Therapy I (Knee Unit instructor)

PT 679 Trends and Scholarly Activities (Primary Instructor)

Teaching Experience

Current University of Montana Experience

Professor August 2019 - current

Program Director   May 2020 – July 2021

Associate Professor August 2014 – July 2019

Program Chair July 2014 - August 2015

 Assistant Professor   August 2009 - 2014

Prior Faculty Positions and Teaching assistships

University of Delaware 

Teaching Assistships

MedcScience II (Orthopaedics) PHYT 802: 2001-04

Musculoskeletal Eval & Treatment PHYT 608: 2001-03

Physical Agents PHYT 603 2000-03

Eastern Washington University

Full Time Tenure-track Professor

Rank: Assistant (Associate Rank granted end 2009)

Duration: September 2004 – July 2009

Research Interests

Clinical research including intervention based clinical trials and cohort studies
Advancement of evidence based practice and the science of physical therapy practice
Determining the extent, sources, and impact of neuromuscular impairments in patients with knee disorders
Utilization and validation of outcome measures for enhanced clinical reasoning
Diagnostic and clinical use of electrical stimulation in physical therapy
Applied biomechanics assessment including EMG & 3D kinetics and kinematics

Projects

ACTIVE

Unrestricted Research Grant

Title: Clinical implications of knee load avoidant behavior during resistance exercise after ACL reconstruction

Role: Principal Investigator

Awarding Institution: Academy for Orthopaedic Physical Therapy of the APTA

Award Dates: May 1, 2022 – April 30, 2024

Pilot Grant Award

Title: Developing Tech-Informed Neuromuscular Training (TNT) for Knee Rehabilitation

Role: Mizner, Ryan L.; PD of the parent award (Francisco Sy)

Project Number or Award Title: Single Investigator Pilot Projects Grants from MW CTR-IN

Source of Support: subaward from Project #1U54GM104944 from NIGMS

Award Start and End Date: 10/2022 - 10/2023

Pilot Grant Program Award

Title: A mixed-methods analysis of rurality and guideline concordant care in knee osteoarthritis

Role: Co-Investigator (PI: Caitlin Miller Zondlo)

Awarding Institution: Subaward of the Center for Population Health Research (CPHR), a NIH-funded Center of Biomedical Research Excellence (CoBRE)

Award Dates: March 2022 – February 2023

Field of Study

Applied/Clinical Biomechanics

Orthopedic and Sports Rehabilitation

Movement Science

Clinical Outcomes Research

Clinical Reasoning

Selected Publications

TO VIEW DR. MIZNER'S CITATIONS PLEASE VISIT GOOGLE SCHOLAR AT THIS LINK 

1. Mizner RL, Mays AA, Mays RJ. Mechanical Adaptations in Walking Using Carbon Fiber Ankle Foot Orthoses for Patients with Peripheral Artery Disease. In press. Gait & Posture. Jan 2023.
2. Christensen JC, Pelt CE, Foreman KB, LaStayo PC, Anderson AE, Gililland JM, Mizner RL. Longitudinal study of knee load avoidant movement behavior after total knee arthroplasty with recommendations for future retraining interventions.  Knee. 2021 Jun;30:90-99. PMID: 33878682
3. Choma EA, Mays RJ, Mizner RL, Santasier AM. Patient perspectives of ankle-foot orthoses for walking ability in peripheral artery disease: A qualitative study. J Vasc Nurs. 2020 Sept;38(3):100-7. PMID: 32950110.
4. Pairot-de-Fontenay B, Willy R, Elias AR, Mizner RL, Dubé M, Roy J. Running Biomechanics in Individuals with Anterior Cruciate Ligament Reconstruction: A Systematic Review. Sports Medicine. 2019 Sep;49(9):1411-1424. doi: 10.1007/s40279-019-01120-x. PMID: 31102111.
5. Mays RL, Mays AA, Mizner RL. Efficacy of Ankle-Foot Orthoses on Walking Ability in Peripheral Artery Disease. Vascular Medicine. 2019 Aug;24(4):324-331. doi: 10.1177/1358863X19831765. Epub 2019 Mar 29. PMID: 30924412
6. Christensen JC, Foreman KB, LaStayo PC, Marcus RL, Pelt CE, Mizner RL. Comparison of 2 Forms of Kinetic Biofeedback on the Immediate Correction of Knee Extensor Moment Asymmetry Following Total Knee Arthroplasty During Decline Walking. J Orthop Sports Phys Ther. 2019 Feb;49(2):105-111. doi:10.2519/jospt.2019.7800. [Epub ahead of print]. PMID: 30124352.
7. Christensen JC, Mizner RL, Foreman KB, LaStayo PL, Peters C, Pelt C. Preoperative Quadriceps Weakness Preferentially Predicts Postoperative Aberrant Movement Patterns During High-Demand Mobility Following Total Knee Arthroplasty. Knee. 2019 Jan;26(1):79-87. doi:10.1016/j.knee.2018.12.005. Epub 2018 Dec 29.PMID: 30600199.
8. Elias AR, Harris K, LaStayo PC, Mizner RL. Clinical Efficacy of Jump Training Augmented With Body Weight Support After ACL Reconstruction: A Randomized Controlled Trial. American Journal of Sports Medicine (Am J Sports Med). 2018 Jun;46(7):1650-1660. doi: 10.1177/0363546518759052. Epub 2018 Mar 20. PMID: 29558161.
9. Christensen JC, Mizner RL, Marcus RL, Pelt CE, LaStayo PC. Quadriceps weakness preferentially predicts detrimental gait compensations among common impairments after total knee arthroplasty. Journal of Orthopaedic Research (J Orthop Res). 2018 Sep;36(9):2355-2363. doi: 10.1002/jor.23894. Epub 2018 Apr 24. PMID: 29577425. 
10. Christensen JC, LaStayo PC, Marcus RL, Stoddard GJ, Foreman KB, Mizner RL, Peters CL, Pelt CE. Novel Biofeedback Technique Normalizes Gait Abnormalities During High-Demand Mobility After Total Knee Arthroplasty. Knee. 2018. Jan;25(1):73-82. PMID: 29305025.
11. Christensen JC, LaStayo PC, Mizner RL, Marcus RL, Pelt CE, Stoddard GJ, Foreman KB. Joint Mechanical Asymmetries During Low- and High-Demand Mobility Tasks: Comparison Between Total Knee Arthroplasty and Healthy-Matched Peers. Gait Posture. 2017 Nov 21;60:104-110. doi: 10.1016/j.gaitpost.2017.11.017. PMID 29175639.
12. Elias ARC, Hammill CD, Mizner RL. The Effect of Body Weight Support on Kinetics and Kinematics of a Repetitive Plyometric Task. J Applied Biomech. 2016 Feb;32(1):69-77. PMID: 26398961
13. Elias ARC, Kinney AE, Mizner RL. High Repetition Jump Training Coupled with Body Weight Support in a Patient with Anterior Cruciate Ligament Reconstruction: A Case Report. International Journal of Sport Physical Therapy (IJSPT). 2015 Dec;10(7):1035-49. PMID:26672476. 
14. Elias ARC, Hammill CD, Mizner RL. Changes in Quadriceps and Hamstring Co-contraction Following Landing Instruction in Patients with ACL Reconstruction. Journal of Orthopaedic and Sports Physical Therapy. 2015 Apr;45(4):273-280. PMID: 25679342.
15. Jones D, Tillman SM, Tofte K, Mizner RL, Greenberg S, Chmielewski TL. Observational ratings of medial knee position discriminate frontal plane projection angle but not knee abduction angle. Journal of Orthopaedic and Sports Physical Therapy. 2014 Dec;44(12):973-8. PMID: 25366084.
16. Davidson BS, Judd DL, Thomas AC, Mizner RL, Eckhoff DG, Stevens-Lapsley JE.  Muscle activation and coactivation during five-time-sit-to-stand movement in patients undergoing total knee arthroplasty. Journal of Electromyography and Kinesiology (J Electromyogr Kinesiol). 2013 Dec;20(12):426-431. PMID: 23352711.
17. Yoshida Y, Mizner RL, Snyder-Mackler L. Association between long-term quadriceps weakness and early walking muscle co-contraction after total knee arthroplasty. Knee. 2013 Dec;20(12):426-431. PMID: 23352711. 
18. Anton D, Mizner RL, Hess JA. The Effect of Lift Teams on Kinematics and Muscle Activity of the Upper Extremity and Trunk. Journal of Orthopaedic and Sports Physical Therapy. 2013 Apr;43(4):232-241. PMID: 23321695.
19. Hess JA, Mizner RL, Kincl L, Anton D. Alternatives to lifting concrete masonry block over rebar: Biomechanical and perceptual evaluations. Ergonomics (Ergonomics). 2012 Oct;55(10):1229-42. PMID: 22849706.  
20. Mizner RL, Chmielewski TC, Toepke JJ, Tofte KB. Efficacy of Digital Video Techniques during a Drop Jump Compared to Three-Dimensional Knee Kinematics and Kinetics of Female Athletes.  Clinical Journal of Sport Medicine. 2012 May;22(3):221-7. PMID:22544058.
21. Mizner RL. Emerging Perspectives Related to Quadriceps Central Activation Deficits in Patients with Total Knee Arthroplasty. Exerc Sport Sci Rev. 2012 Apr;40(2):61-62. PMID:22441557.
22. Mizner RL, Petterson SC, Clements KE, Zeni JA,  Irrgang JJ, Snyder-Mackler L. Measuring Functional Improvement after Total Knee Arthroplasty Requires both Performance-based and Self-Report Assessments: A Longitudinal Analysis of Outcomes.  J Arthroplasty. 2011 Aug;26(5):728-37. Epub 2010 Sep 20. PMID:20851566
23. Harty CM, DuPont CE, Chmielewski TL, Mizner RL. Inter-task Comparison of Frontal Plane Knee Position and Moment in Female Athletes during Three Distinct Movement Tasks. Scandinavian Journal of Medicine & Science in Sports. Scand J Med Sci Sports. 2011 Feb;21(1):98-105. doi: 10.1111/j.1600-0838.2009.01022.x. PMID: 19895386
24. Stevens-Lapsley JE, Petterson SC, Mizner RL, Snyder-Mackler L. Impact of Body Mass Index on Functional Performance Measures after Total Knee Arthroplasty. J Arthroplasty. 2010 Oct;25(7):1104-9. Epub 2009 Oct 30. PMID: 1987972.
25. Mizner RL. Invited Commentary - Quantifying Self-Report Measures' Overestimation of Mobility Scores Postarthroplasty. Phys Ther. 2010 Sep;90(9):1296-8. PMID:20810390
26. LaPier TK, Mizner R. Outcome Measures in Cardiopulmonary Physical Therapy: Focus on the Late Life Function and Disability Instrument (LLFDI). Cardiopulm Phys Ther Journal. 2009 June; 20(2): 32-35. 
27. Meier WA, Marcus RL, Dibble LE, Foreman KB, Peters CL, Mizner RL, LaStayo PC. The Long-Term Contribution of Muscle Activation and Muscle Size to Quadriceps Weakness Following Total Knee Arthroplasty.  J Geriatr Phys Ther. 2009 June 32(2): 35-38. 
28. LaStayo PC, Meier WA, Marcus RL, Mizner RL, Dibble LE, Peters C. Reversing Muscle and Mobility Deficits 1 to 4 Years after TKA: A Pilot Study. Symposium: Advanced Techniques for Rehabilitation after Total Hip and Knee Arthroplasty. Clin Orthop Relat Res.  2009 June; 467:1493–1500.
29. Petterson SC, Mizner RL, Stevens JE, Raisis L, Bodenstab A, Newcomb W, Snyder-Mackler L. Improved Function From Progressive Strengthening Interventions After Total Knee Arthroplasty: A Randomized Clinical Trial With an Imbedded Prospective Cohort. Arthritis and Rheumatism (Arthritis Care and Research). 2009 Feb:61(2):174-183.
30. Stevens NM, Shutlz T, Mizner RL, Gersh MR. Treatment in an Outpatient Setting for a Patient with an Infected, Surgical Wound with Hypergranulation Tissue. International Journal of Lower Extremity Wounds (Int J Low Extrem Wounds). 2009 Mar;8(1):37-44.
31. Mizner RL, Kawaguchi JK, Chmielewski TL.  Lower Extremity Kinetic Chain Muscle Strength Does Not Predict Post-Instruction Landing Pattern Improvement in Female Athletes. Journal of Orthopaedic and Sports Physical Therapy. 2008 June; 38(6): 265-271. 
32. Meier W, Mizner RL, Marcus RL, Dibble LE, Peters C, LaStayo PC. Total Knee Arthroplasty: Muscle Impairments, Functional Limitations and Recommended Rehabilitation Approaches.  Journal of Orthopaedic and Sports Physical Therapy. 2008 May;38(5):246-56.
33. Yoshida Y, Mizner RL, Ramsey D, Snyder-Mackler L. Examining Outcomes From Total Knee Arthroplasty and the Relationship Between Quadriceps Strength and Knee Function Over Time.  Clinical Biomechanics (Bristol, Avon). 2008 Mar;23(3):320-8.
34. Mizner RL, Snyder-Mackler L. Altered Loading During Walking and Sit-to-stand is Affected by Quadriceps Weakness after Total Knee Arthroplasty. Journal of Orthopaedic Research. 2005 Sep;23(5):1083-90
35. Mizner RL, Petterson SC, Stevens JE, Axe MJ, Snyder-Mackler L. Preoperative Quadriceps Strength Predicts Functional Ability One Year after Total Knee Arthroplasty. Journal of Rheumatology. 32 (8): 1533-9. Aug 2005. Indexed in the “Yearbook of Rheumatology, Arthritis & Musculoskeletal Disease”
36. Mizner RL, Petterson SC, Snyder-Mackler L. Quadriceps Strength and the Time Course of Functional Recovery after Total Knee Arthroplasty. Journal of Orthopaedic and Sports Physical Therapy. 35:424-436, July 2005.
37. Mizner RL, Petterson SC, Stevens JE, Vandenborne K, Snyder-Mackler L. Early Quadriceps Strength Loss After Total Knee Arthroplasty: The Contributions of Muscle Atrophy and Failure of Voluntary Muscle Activation.  Journal of Bone and Joint Surgery (Am). 87; 5:1047-53, May 2005
38. Stevens JE, Mizner RL, Snyder-Mackler L. Neuromuscular Electrical Stimulation for Quadriceps Muscle Strengthening after Bilateral Total Knee Arthroplasty. A Case Series.  Journal of Orthopaedic and Sports Physical Therapy. 34; 1; 21-9; Jan 2004.
39. Stevens JE, Mizner RL, Snyder-Mackler L. Quadriceps strength and volitional activation before and after total knee arthroplasty for osteoarthritis.  Journal of Orthopaedic Research.  21; 5; 775-779; 2003.
40. Mizner RL, Stevens JE, Snyder-Mackler L. Voluntary Activation and Decreased Force Production of the Quadriceps Femoris Muscle after Total Knee Arthroplasty. Physical Therapy.  81; 4; 156-86; April 2003.

Select National & Interntional Presentations in the Past Several Years from over 85 peer-reviewed presentations

1. Krantz A, Mizner RL, Fouts H, Attwood E, Willy RW. Knee Underloading Behaviors during Running Post-ACLR Are Not Accentuated with Added Load Carriage. American Academy of Sports Physical Therapy for the Combined Sections of the American Physical Therapy Association in San Diego, Feb 2023. Poster session in review.
2. Fouts H, Mizner RL, Krantz A, Attwood E, Willy RW. Asymmetrical Knee Loading Is Present with Load Carriage during a Stepdown Post-Aclr. American Academy of Sports Physical Therapy for the Combined Sections of the American Physical Therapy Association in San Diego, Feb 2023. Poster session in review
3. Roda NA, Harry TE, Mizner RL. Discriminative and Construct Validity of the Anterior Reach Test in SubAcute ACL Rehabilitation. Submitted for consideration for the American Academy of Sports Physical Therapy for the Combined Sections of the American Physical Therapy Association in San Diego, Feb 2023. Poster session in review.
4. Harry, TE, Roda NA, Mizner RL. Patients Underutilize Their Knee Extensor Moment Capacity during Sit-to-Stand While in Subacute ACL Rehabilitation. Submitted for consideration for the American Academy of Sports Physical Therapy for the Combined Sections of the American Physical Therapy Association in San Diego, Feb 2023. Poster session in review.
5. Attwood E, Mizner RL, Krantz A, Fouts H, Willy RW. Inertial measurement units overestimate knee loading symmetry in running and walking tasks post-ACLR. Submitted for consideration for the American Academy of Sports Physical Therapy for the Combined Sections of the American Physical Therapy Association in San Diego, Feb 2023. Poster session in review.
6. Mizner RL, Heidema, C. Force Platforms Can Accurately Predict Knee Kinetics Limb Asymmetry with Sit-to-Stands During ACL Rehabilitation. Poster for the Annual Meeting of the American College of Sports Medicine in San Diego, CA. May 2022.
7. Elias AR, Mizner RL. Individualized Training Improves Inter-Limb Joint Kinetic Symmetry During Jump Landing after ACL Reconstruction. Poster at the Annual Meeting of the American College of Sports Medicine in San Francisco, CA. May 2020.
8. Mizner RL, Elias AR. Jump Landing Mechanics Fail to Distinguish Patients’ Return to Sport Status After ACL Reconstruction. Platform presentation in the American Academy of Sports Physical Therapy for the Combined Sections Meeting (CSM) of the American Physical Therapy Association in Denver, CO. 2020.
9. Choma EA, Fiecas MJ, Mizner RL, Treat-Jacobson DJ, Mays RJ. Development and Validation of a Model for Predicting Peak Walking Time for Patients with Peripheral Artery Disease. Submitted to the Society for Vascular Medicine. McLean, VA. May 2019.
10. Miller RH, Davis IS, van den Bogert AT, Mizner RL, Dorschky E. Can Biomechanical Models Improve Injury Prevention and Human Performance? Two-hour symposia at the Annual Meeting of the American College of Sports Medicine. Orlando, FL, May 2019.
11. Pairot-de-Fontenay B, Willy RW, Elias ARC, Mizner RL, Dubé MO, Roy JS. Running kinetics after anterior cruciate ligament reconstruction: a systematic review. Presented at World Confederation for Physical Therapy. Geneva, Switzerland. May 11th, 2019. 
12. Zarzycki R, Chmielewski TL, Mizner RL, Meierbachtol A. Can fear or other psychological factors alter movement after ACL reconstruction? Two-hour symposia for the Research Section of the Combined Sections Meeting of the American Physical Therapy Association (APTA). Washington, D.C. Jan 2019.
13. Mizner RL, Elias AR. Jump Training improves Psychological Impairments and Facilitates Greater Sports Participation in Athletes with ACL Reconstruction. Poster for the American College of Sports Medicine Annual Meeting. Minneapolis, MN. May 2018. Selected for Clinician's Reception of top 11 clinical abstracts at the ACSM Annual Meeting.
14. Mizner RL, Elias AR. Jump Training improves Psychological Impairments and Facilitates Greater Sports Participation in Athletes with ACL Reconstruction. Poster for the American College of Sports Medicine Annual Meeting. Minneapolis, MN. May 2018. Selected for Clinician's Reception of top 11 clinical abstracts at the ACSM Annual Meeting. 

Professional Experience

• Prior Employment at the University of Delaware and Eastern Washington University
• Staff and Per Diem Physical Therapist since 2000-current
  • Most Recent work at Deer Lodge Medical Center & the UMPT Physical Therapy Clinic
• Faculty for UMPT Residency Programs 2010-2020

Honors / Awards

2018 Abstract Selected for ACSM's Clinician's Reception which highlights the top 11 clinical science abstracts at their Annual Meeting

2017 Best Poster Award, Gait and Clinical Movement Analysis Society Annual Conference

2017 Faculty Merit Award, University of Montana, Missoula

2016 Best Presentation, Cervical group, Annual Meeting of the American Academy of Orthopaedic Physical Therapists (AAOMPT)

2013 Faculty Merit Award, University of Montana, Missoula

2009 Margaret L. Moore Outstanding New Academic Faculty Award, APTA

2009 Outstanding Faculty Merit Award for Scholarship, Eastern Washington University

2007 Quality Service Initiative - Excellence in Quality Service Award, Eastern Washington Univeristy

2005 Finalist for the New Investigator Recognition Award, Orthopaedic Research Society

2004 National Institutes of Health – NICHD trainee: supported with a T32 award

2002  American Physical Therapy Association: Promotion of Doctoral Studies I Scholarship

2001 American Physical Therapy Association: Mary McMillan Doctoral Scholarship