Summary
More than 50 independent, peer-reviewed research publications now cite, evaluate or review Theia3D across domains including gait, sports performance, postural control, upper-extremity movement and other biomechanics applications. These publications are available in world-leading journals including Journal of Biomechanics, Journal of Applied Biomechanics, Gait & Posture and Clinical Biomechanics. Together, they represent a growing body of evidence across different movements, populations and environments, reinforcing Theia3D’s position as the most extensively validated markerless motion capture system.
50+ Publications: The Growing Evidence Behind Theia3D
Theia3D has now been included in more than 50 research publications from institutions around the world. This includes direct comparisons with established marker-based systems, reliability and validity studies, systematic reviews, research protocols and applied studies using Theia3D.
The research now spans:
- Gait and running biomechanics
- Sports performance and change of direction
- Return-to-activity and functional movement
- Balance and postural control
- Upper-extremity biomechanics
- Neurological and orthopaedic populations
- Clothing and real-world collection conditions
- Biomechanical modeling and markerless methodologies
Explore the full body of research below:
Gait Biomechanics
- Inter-Session Repeatability of Markerless Motion Capture Gait Kinematics
- Assessment of Spatiotemporal Gait Parameters Using a Deep Learning Algorithm-Based Markerless Motion Capture System
- Concurrent Assessment of Gait Kinematics Using Marker-Based and Markerless Motion Capture
- Applications and Limitations of Current Markerless Motion Capture Methods for Clinical Gait Biomechanics
- Feasibility of Markerless Motion Capture for Three-Dimensional Gait Assessment in Community Settings
- Absolute Reliability of Gait Parameters Acquired With Markerless Motion Capture in Living Domains
- Clothing Condition Does Not Affect Meaningful Clinical Interpretation in Markerless Motion Capture
- Markerless Versus Marker-Based Motion Analysis in Subjects With Lower Limb Amputation: A Case Series
- Markerless Motion Capture for Clinical Movement Analysis and the Influence of Clothing on Gait Metrics
- Comparison of Kinematics Between Theia Markerless and Conventional Marker-Based Gait Analysis
- Markerless Motion Capture Provides Repeatable Gait Outcomes in Knee Osteoarthritis Patients
- Comparison of Markerless and Marker-Based Motion Capture of Gait Kinematics in Individuals With Cerebral Palsy and Chronic Stroke: A Case Study Series
- The Applicability of Markerless Motion Capture for Clinical Gait Analysis in Children With Cerebral Palsy
- Markerless Three-Dimensional Gait Analysis in Healthy Older Adults: Test–Retest Reliability and Measurement Error
- Comparison of Gait Deviation Index and Gait Variability Index Measured by Marker-Based and Markerless Motion Capture Systems in Children With Cerebral Palsy
- A Comparison of Lower Body Gait Kinematics and Kinetics Between Theia3D Markerless and Marker-Based Models in Healthy Subjects and Clinical Patients
- The Inter-Trial and Inter-Session Reliability of Theia3D-Derived Markerless Gait Analysis in Tight Versus Loose Clothing
- Concurrent Validity of Theia3D Markerless Motion Capture for Detecting Sagittal Kinematic Differences Between Gait Speeds
- Comparison of Marker- and Markerless-Derived Lower Body Three-Dimensional Gait Kinematics in Typically Developing Children
- Clinical Integration of Markerless Motion Capture: A Multicentre Study of Gait in Knee Osteoarthritis
- Investigating Pre-Operative Joint-Level Biomechanics in Partial Versus Total Knee Arthroplasty
- How Many Strides Are Needed for Reliable Markerless Gait Analysis?
Running Biomechanics
- Comparison of Lower Extremity Joint Moment and Power Estimated by Markerless and Marker-Based Systems During Treadmill Running
- A Machine Learning Approach to Identify Risk Factors for Running-Related Injuries: Study Protocol for a Prospective Longitudinal Cohort Trial
- Inter-Session Repeatability of Markerless Motion Capture of Treadmill Running Gait
- Comparison of Concurrent and Asynchronous Running Kinematics and Kinetics From Marker-Based and Markerless Motion Capture Under Varying Clothing Conditions
Sports Performance and Functional Movement
- Markerless Motion Capture Estimates of Lower Extremity Kinematics and Kinetics Are Comparable to Marker-Based Across Eight Movements
- Comparison of Kinematic Data of Side Box Jump Using Marker-Based and Markerless Motion Capture
- Markerless Motion Capture Provides Accurate Predictions of Ground Reaction Forces Across a Range of Movement Tasks
- Validation of Markerless Motion Capture for Soldier Movement Patterns Assessment Under Varying Body-Borne Loads
- The Validity and Usability of Markerless Motion Capture and Inertial Measurement Units for Quantifying Dynamic Movements
- Acute Effect of Technique Modification Training on 180° Change of Direction Performance and Kinematics in Adolescent Male Soccer Players
- Factors Influencing Change of Direction Performance in Youth Soccer Players: Velocity–Time Profile Analysis of the Pro-Agility Test
- Reliability and Validity of Lower Extremity and Trunk Kinematics Measured With Markerless Motion Capture During Sports-Related and Functional Tasks: A Systematic Review
- Examining the Concurrent Validity of Markerless Motion Capture in Dual-Athlete Team Sports Movements
- Motion Capture Technologies for Athletic Performance Enhancement and Injury Risk Assessment: A Review for Multi-Sport Organizations
- Between-Day Reliability of Kinematic Variables Using Markerless Motion Capture for Single-Leg Squat and Single-Leg Landing Tasks
- Inter-Session Reliability of Markerless Lower Extremity Joint Kinematics and Kinetics for Return-to-Sport Screening Tasks
- Assessing Agreement and Usability of Kinematic Measures Between Markerless and Marker-Based Motion Capture Systems During Jumping Activities
Balance, Postural Control and Neurological Movement
- Stability Criteria Compared Using Markerless and Marker-Based Data
- Accuracy of a Markerless Motion Capture System for Balance-Related Quantities
- Principal Component Analysis of Whole-Body Kinematics Using Markerless Motion Capture During Static Balance Tasks
- Agreement Between a Markerless and a Marker-Based Motion Capture System for Balance-Related Quantities
- Parkinson’s Disease Participant-Led Research on the Impact of Deep Brain Stimulation Frequency
- Validation of Markerless Theia3D Against Marker-Based Vicon Motion Capture Data of Postural Control Movements Analyzed Through Principal Component Analysis
Upper-Extremity Biomechanics
- Accuracy of a Markerless Motion Capture System in Estimating Upper Extremity Kinematics During Boxing
- Validation of Upper Extremity Kinematics Using Markerless Motion Capture
- Comparison of Markerless and Conventional Marker-Based Shoulder Kinematics Models During Activities of Daily Living in Patients With Glenohumeral Osteoarthritis
Markerless Motion Capture Methods and Modeling
- Description, Development and Dissemination of Two Consistent Marker-Based and Markerless Multibody Models
- Comparison of Markerless and Marker-Based Motion Analysis Accounting for Differences in Local Reference Frame Orientation
- Impact of Multi-View Fusion and Biomechanical Modeling on Markerless Motion Tracking
Bring Theia3D Into Your Research
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