Arnel Aguinaldo, Ph.D.

PhD, ATC, CPSS, FACSM | Professor and Director of the Padres Biomechanics Lab at Point Loma Nazarene University

San Diego, California, United States of America

Research Expertise

Biomechanics
Gait Analysis
Running
Baseball Pitching
Sport Science
Technology Validation

About

Dr. Arnel Aguinaldo is a highly experienced and accomplished scholar in the field of Health and Human Performance. He obtained his Ph.D. in Health and Human Performance from Concordia University Chicago in 2018, focusing on the biomechanics of human movement. Prior to this, he earned his M.A. in Biomechanics and Athletic Training from San Diego State University in 1999, and his B.S. in Bioengineering from University of California San Diego in 1995. Throughout his career, Dr. Aguinaldo has held various academic positions at Point Loma Nazarene University, including Full Tenured Professor, Associate Professor, Assistant Professor, Part-Time Professor, and Adjunct Professor. He has also served as the Director of the Padres Biomechanics Laboratory at Point Loma Nazarene University. Apart from his academic experience, Dr. Aguinaldo has also held several positions in the industry. He was the Vice President of Applications Engineering at Motion Analysis Corporation, where he oversaw the development and implementation of motion capture technology. He also worked as a Biomechanics Engineer at Motion Analysis Corporation. Dr. Aguinaldo has also been involved in research and teaching at San Diego State University and Rady Children's Hospital San Diego. He served as an Adjunct Professor at San Diego State University and as the Director of the Motion Analysis Laboratory at Rady Children's Hospital. With his extensive education and experience, Dr. Aguinaldo is a highly respected and sought-after expert in the field of biomechanics and human performance. He has published numerous research articles and has presented at various conferences and seminars. He is dedicated to advancing the understanding of human movement and improving performance in sports and other physical activities.

Legacy Map

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Publications

Correlation of Throwing Mechanics With Elbow Valgus Load in Adult Baseball Pitchers
The American Journal of Sports Medicine
2009
Effects of Upper Trunk Rotation on Shoulder Joint Torque among Baseball Pitchers of Various Levels
Journal of Applied Biomechanics
2007
Physiological Performance Measures as Indicators of CrossFit® Performance
Sports
2019
Segmental Power Analysis of Sequential Body Motion and Elbow Valgus Loading During Baseball Pitching: Comparison Between Professional and High School Baseball Players
Orthopaedic Journal of Sports Medicine
2019
Impact Loading in Running Shoes with Cushioning Column Systems
Journal of Applied Biomechanics
2003
Functional Task Kinematics of the Thumb Carpometacarpal Joint
Clinical Orthopaedics & Related Research
2014
Biomechanical Comparison of the Interval Throwing Program and Baseball Pitching
The American Journal of Sports Medicine
2014
The Effects of a Compression Garment on Lower Body Kinematics and Kinetics During a Drop Vertical Jump in Female Collegiate Athletes
Orthopaedic Journal of Sports Medicine
2018
Induced power analysis of sequential body motion and elbow valgus load during baseball pitching
Sports Biomechanics
2020
Effects of Game Pitch Count and Body Mass Index on Pitching Biomechanics in 9- to 10-Year-Old Baseball Athletes
Orthopaedic Journal of Sports Medicine
2018
Inverse dynamics analysis of youth pitching arm kinetics using body composition imaging
Sports Biomechanics
2020
Osteopathic manipulative treatment for enhanced pitch performance in collegiate baseball players
http://isrctn.com/
2025
Relationship between ground reaction force and throwing arm kinetics in high school and collegiate pitchers
The Journal of Sports Medicine and Physical Fitness
2022
What Is the Influence of Cambered Running Surface on Lower Extremity Muscle Activity?
Journal of Applied Biomechanics
2013
Athlete body composition influences movement during sporting tasks: an analysis of softball pitchers’ joint angular velocities
Sports Biomechanics
2022
Upper body contributions to pitched ball velocity in elite high school pitchers using an induced velocity analysis
Journal of Biomechanics
2021
Differences in Segmental Speeds as a Function of Maturation in Youth Baseball Pitchers
International Journal of Sports Medicine
2018
Effects of Ankle Position While Performing One- and Two-Leg Floor Bridging Exercises on Core and Lower Extremity Muscle Recruitment
Bioengineering
2024
Validation Of A Wearable Sensor In The Estimation Of Elbow Valgus Torque During Baseball Pitching
Medicine & Science in Sports & Exercise
2020
Gait and clinical movement analysis society 8th annual meeting wilmingiton,DE May 7-10,2003
Gait & Posture
2003
Energy Flow And Impulse Predictors Of Bat Speed During Baseball Tee Batting Using The Least Absolute Shrinkage And Selection Operator (LASSO) Regression
Medicine & Science in Sports & Exercise
2022
Patellofemoral Joint Loading During Bodyweight One-Legged and Two-Legged BOSU and Floor Squats
International Journal of Sports Physical Therapy
2025
Comparison by motion analysis of non-operative versus operative treatment of Achilles tendon ruptures
Gait & Posture
2006
Assessing the accuracy of in-stadium and portable multi-camera markerless motion capture for baseball pitching kinematics and kinetics
Journal of Sports Sciences
2025
Do Pitching Biomechanics and Shoulder and Elbow Kinetics Differ Between Pitching on 2 Specific Dirt Surface and Turf Surface Mounds?
Orthopaedic Journal of Sports Medicine
2025
Estimating Joint Kinetics During Baseball Pitching Using In-stadium Markerless Motion Capture
Medicine & Science in Sports & Exercise
2025
Concurrent Validity And Reliability Of A Markerless Motion Capture System In Estimating Joint Kinematics In The Tennis Serve
Medicine & Science in Sports & Exercise
2025
Relationship Between Athlete Performance Metrics And Pelvis Energy Flow In Adult Baseball Pitchers
Medicine & Science in Sports & Exercise
2023
Shoulder Strength and Range of Motion Between Collegiate Pitchers and Position Players in Baseball
International Journal of Exercise Science
2020
Patellofemoral Joint Loading During Bodyweight One-legged And Two-legged Bosu-ball And Floor Squats
Medicine & Science in Sports & Exercise
2025
Influence Of Back Foot Orientation On Kinetics And Kinematics During Baseball Pitching
Medicine & Science in Sports & Exercise
2021
Effects Of A 6 Week Balance Training Program On Throwing Velocity And Joint Kinetics In Collegiate Baseball Pitchers
Medicine & Science in Sports & Exercise
2020
A Comparison Of Pitch Velocity And Elbow Valgus Torque Between Collegiate Baseball Pitchers Trained With And Without Weighted-ball Exercises
Medicine & Science in Sports & Exercise
2020
Induced Power Analysis Of Sequential Body Motion And Elbow Valgus Load During Baseball Pitching
Medicine & Science in Sports & Exercise
2019
Interval Throwing Program and Baseball Pitching: Response
The American Journal of Sports Medicine
2014
Three-dimensional kinematics of the upper limb during a reach & grasp cycle for children
Gait & Posture
2009
Valgus knee bracing for medical compartment osteoarthritis (OA)
http://isrctn.org/>
2013

Education

Concordia University Chicago

Ph.D., Health and Human Performance / 2018

San Diego State University

M.A., Biomechanics and Athletic Training / 1999

University of California San Diego

B.S., Bioengineering / 1995

Experience

Point Loma Nazarene University

Director Padres Biomechanics Laboratory / October, 2023Present

Teach a variety of undergraduate and graduate courses in the College of Health Sciences. Mentor students in the Sports Performance concentration of the M.S. Kinesiology and Athletic Training programs. Direct biomechanics research for the students and faculty in the Department of Kinesiology. Design and maintain all aspects of motion analysis electromyography force plate and ball tracking systems in the PLNU X Padres Biomechanics Laboratory. Advise students on undergraduate and graduate student led research in kinesiology and biomechanics.

Full Tenured Professor / June, 2025Present

Teach a variety of undergraduate and graduate courses in the College of Health Sciences. Mentor students in the Sports Performance concentration of the M.S. Kinesiology and Athletic Training programs. Direct biomechanics research for the students and faculty in the Department of Kinesiology. Design and maintain all aspects of motion analysis electromyography force plate and ball tracking systems in the PLNU X Padres Biomechanics Laboratory. Advise students on undergraduate and graduate student led research in kinesiology and biomechanics.

Associate Professor / June, 2021May, 2025

Teach a variety of undergraduate and graduate courses in the College of Health Sciences. Mentor students in the Sports Performance concentration of the M.S. Kinesiology and Athletic Training programs. Direct biomechanics research for the students and faculty in the Department of Kinesiology. Design and maintain all aspects of motion analysis electromyography force plate and ball tracking systems in the PLNU X Padres Biomechanics Laboratory. Advise students on undergraduate and graduate student led research in kinesiology and biomechanics.

Assistant Professor / June, 2018May, 2021

Teach a variety of undergraduate and graduate courses in the College of Health Sciences. Mentor students in the Sports Performance concentration of the M.S. Kinesiology and Athletic Training programs. Direct biomechanics research for the students and faculty in the Department of Kinesiology. Design and maintain all aspects of motion analysis electromyography force plate and ball tracking systems in the PLNU X Padres Biomechanics Laboratory. Advise students on undergraduate and graduate student led research in kinesiology and biomechanics.

Part-Time Professor / June, 2015May, 2018

Teach a variety of undergraduate and graduate courses in the College of Health Sciences. Mentor students in the Sports Performance concentration of the M.S. Kinesiology and Athletic Training programs. Direct biomechanics research for the students and faculty in the Department of Kinesiology. Design and maintain all aspects of motion analysis electromyography force plate and ball tracking systems in the PLNU X Padres Biomechanics Laboratory. Advise students on undergraduate and graduate student led research in kinesiology and biomechanics.

Adjunct Professor / June, 2013May, 2015

Teach a variety of undergraduate and graduate courses in the College of Health Sciences. Mentor students in the Sports Performance concentration of the M.S. Kinesiology and Athletic Training programs. Direct biomechanics research for the students and faculty in the Department of Kinesiology. Design and maintain all aspects of motion analysis electromyography force plate and ball tracking systems in the PLNU X Padres Biomechanics Laboratory. Advise students on undergraduate and graduate student led research in kinesiology and biomechanics.

Motion Analysis Corporation

Vice President of Applications Engineering / December, 2015June, 2019

Led development team in the design and testing of motion capture specific applications aimed at providing solutions using cutting edge 3D motion capture technology for gait analysis running analysis baseball pitching baseball hitting golf footwear and low back assessment. Provide expert information for biomechanical applications of system and software solutions.

Biomechanics Engineer / January, 2013December, 2015

Served as lead biomechanics support engineer in human movement analysis for global company specializing in passive optical motion capture and analysis. Provided technical and expert consultation support to users in hospitals and universities on hardware and software methods used in biomechanics and gait analysis practice and research both remotely (San Diego) and on-site.

San Diego State University

Adjunct Professor / August, 2005June, 2015

Taught various undergraduate and graduate level classes in the School of Exercise and Nutritional Sciences. Courses include biomechanics of human movement functional human movement biomechanical measurement techniques and measurement and evaluation in exercise science.

Rady Childrens Hospital San Diego

Director, Motion Analysis Laboratory / June, 2004June, 2015

Developed and directed the Center for Human Performance (CHP) in utilizing motion analysis to evaluate sports performance for enhancement and injury prevention. Established research and service-based programs in sports medicine and performance. Obtained funding to support research in sports medicine footwear biomechanics and clinical gait analysis. Presented research through journal publications and talks at scientific conferences. Created kinematic model for measuring upper-extremity motion used for the analysis of baseball pitching and the golf swing. Managed orthopedic biomechanics research facility that focused on orthopedic research specifically in biomechanics of surgical procedures using engineering techniques. Supervised projects related to the materials testing of spinal instrumentation fracture fixation techniques casting ACL repair techniques and materials on cadaveric and benchtop models.

Bioengineer, Motion Analysis Laboratory / March, 2000June, 2004

Supervised all engineering activities of the lab including the operation and maintenance of all systems used for kinematic and kinetic analyses electromyography energy expenditure and networkdatabase administration. Developed biomechanical software for kinematics mechanical work and data processing. Simultaneously managed multiple research projects in human locomotion clinical orthopedics and sports medicine. Served as technical research and educational resource for the lab and the Orthopedics department.

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