Faculty
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Ryan Mizner PT, Ph.D, Assistant Professor (406) 243.5183 SB 109 ryan.mizner@umontana.edu |
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 526 Physical Therapy Interventions I (Physical Agents Unit)
PT 527 Electrophysiological Testing
PT 528 & 529 Biomechanics & Exercise Interventions
PT 569 Orthopedic Physical Therapy I
PT 576 Synthesis of Clinical Evaluation and Intervention
Research Interests
Clinical research in orthopaedic and sports practice
Advancement of evidence based practice and the science of physical therapy practice
Determining the extent, sources, and impact of skeletal muscle impairments (e.g. weakness) in patients who have disorders of the knee joint
Utilization and validation of functional outcome measures
Diagnostic and clinical use of electrical stimulation in physical therapy
Clinical biomechanics assessment including EMG & 3D kinetics and kinematics
Work-related musculoskeletal disorders of the upper extremity and spine
Selected Publications
- Mizner RL, Petterson SC, Clements KE, 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. Arthritis and Rheumatism (Arthritis Care and Research). In Review.
- Parisot S, Mizner RL. An eccentrically focused lower-extremity program to prevent falls and enhance function in older adults seen in the home health setting: A case report of 2 patients. J Geriatric Phys Ther. In Press.
- 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. In Press.
- Stevens JE, Petterson SC, Mizner RL, Snyder-Mackler L. Impact of Body Mass Index on Functional Performance Measures after Total Knee Arthroplasty. Journal of Arthroplasty. In Press.
- LaPier TK, Mizner R. Outcome Measures in Cardiopulmonary Physical Therapy: Focus on the Late Life Function and Disability Instrument (LLFDI). Caridopulm Phys Ther Journal. 2009; 20(2): 32-35.
- LaStayo PC, Meier WA, Marcus RL, Mizner RL, Dibble LE, Peters C. Resistance Exercise For Muscle Impairments and Functional Limitations in Older Individuals 1-3 Years Following Total Knee Arthroplasty. Special Issue of Clinical Orthopaedics and Related Research (CORR) entitled Rehabilitation after TKA and THA. June:467: 1493-1500.
- 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. June 32(2): 35-38.
- Petterson SC, Mizner RL, Stevens JE, Raisis L, Bodenstab A, Newcomb W, Snyder-Mackler L. Progressive quadriceps strengthening interventions improve strength and function after total knee arthroplasty for osteoarthritis: a randomized clinical trial with an imbedded prospective cohort. Arthritis and Rheumatism (Arthritis Care and Research). 2009 Feb:61(2):174-183.
- 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.
- Mizner RL, Kawaguchi JK, Chmielewski TL. Lower Extremity Kinetic Chain Muscle Strength Does Not Predict Post-Instruction Landing Pattern Improvement in Female Athletes. JOSPT. 2008 June; 38(6): 265-271.
- Meier W, Mizner RL, Marcus RL, Dibble LE, Peters C, LaStayo PC. Total Knee Arthroplasty: Muscle Impairments, Functional Limitations and Recommended Rehabilitation Approaches. JOSPT. 2008 May;38(5):246-56.
- 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.
- 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.
- 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”
- 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.
- 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
- 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.
- 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.
- 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.
Hobbies
I enjoy spending time with my family in our garden, hiking, playing golf, hunting, going to community events, skiing, watching movies, and catching up with friends at meetings.

