Clinically Validated Angle Measurement Trusted by Researchers Worldwide

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Update
Apr 14, 2026
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10,000+

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Angulus: Angles on image/video APP

Angulus Pro: Clinically Validated Angle Measurement

Digital goniometer trusted by researchers worldwide. Featured in 30+ independent peer-reviewed studies published in leading medical journals including:
โ€ข Journal of Medical Internet Research
โ€ข Journal of Clinical Orthopaedics and Trauma
โ€ข Journal of Neuromuscular Diseases

โ†’ Learn more: https://www.yonaga.app/angulus/research

โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”
Research Validated

โ€ข 25+ published studies using Angulus (2021-2025)
โ€ข 3,000+ patients assessed by researchers
โ€ข Validated against gold-standard goniometry
โ€ข Applied in orthopedics, rehabilitation, neurology, and sports medicine

โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”
Key Features

โ€ข Precision to 0.01ยฐ: Professional accuracy for clinical assessments
โ€ข Four Measurement Modes: V, W, X, and N modes for ROM, fractures, and specialized angles
โ€ข Image & Video Analysis: Load from gallery or capture in real-time
โ€ข Video Frame Extraction: Measure angles from video frames with precision
โ€ข Clinical Documentation: Add annotations directly to measurements
โ€ข Organized Management: Store, access, and review all measurements in one place
โ€ข Easy Sharing: Export measured images and notes via email for seamless collaboration
โ€ข Customizable Interface: Optimize workflow and enhance productivity

โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”
Professional Applications

โ€ข Joint range of motion (ROM)
โ€ข Hallux valgus and deformity angles
โ€ข Fracture assessment
โ€ข Postural analysis
โ€ข Telehealth assessments
โ€ข Radiological measurements

โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”
For Healthcare Professionals
โ€ข Clinical reference for specialized measurements
โ€ข Progress tracking and monitoring over time
โ€ข Share measurements for clinical documentation and conference materials

For Patients and Non-Clinical Users
โ€ข Track rehabilitation progress from home
โ€ข Share measurements with healthcare providers
โ€ข Sports performance and posture analysis

โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”
Privacy Policy:
https://www.yonaga.app/angulus/privacy

Terms of Use (EULA):
https://yonaga.app/angulus/terms
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