Using a smartphone goniometer to measure active thoracolumbar spine range of motion of lateral flexion and rotation among people with non-specific low back pain: a reliability and validity study
Aburub A, Alawna M, Mohamed AA, Nassif M.
International Journal of Therapy and Rehabilitation 2025; 32(5)
Validated Angulus against universal goniometer in 64 patients with low back pain, demonstrating excellent reliability (0.71-0.83 intrarater, 0.63-0.80 inter-rater) for thoracolumbar measurements.
Optimal operative table height for anesthesiologist comfortability and successful spinal needle insertion
Awad A, Al-Hasani OH.
International Journal of Anesthesiology Sciences 2025; 7(1): 35-38
Measured ergonomic angles during spinal anesthesia procedures in 40 patients, finding optimal table height at xiphoid process level reduces musculoskeletal strain and improves success rates.
Comparison of Intra- and Interobserver Reliability Analysis of Orientation Proximal Femur Physis Parameters on Radiographs
Garg V, Agarwal A, Sachdeva K, Ankitha KS.
Journal of Clinical Orthopaedics and Trauma 2025; 68:103093
Validated Angulus for measuring complex femoral angles in 378 pediatric hip radiographs, achieving inter-observer reliability of 0.79-0.92.
Evaluation of the Functional and Radiological Outcomes of Fixed Angle Versus Variable Angle Volar Locking Compression Plates in Managing Intra-articular Fractures of Distal End Radius
Garg DK, Sakale H, Agrawal AC, Kar B, Pandiyarajan E, Yadav SK.
Malaysian Orthopaedic Journal 2025; 19(2)
Used in clinical research to evaluate wrist function and radiological healing post-surgery.
Reliability of manual goniometry vs. photogrammetry for elbow and wrist range of motion
Quintero-Diaz, Karen Julieth, Loren Nathalia Mendez-Antolinez, Cesar Eduardo Pabon-Rozo, Oscar Eduardo Mateus-Arias, and Javier Martínez-Torres.
Physical Therapy Reviews, 1-7
Study confirms Angulus matches manual goniometer for reliability.
Optimal operative table height for anesthesiologist comfortability and successful spinal needle insertion
Awad, Alameer, and Osama Haider Al-Hasani.
International Journal of Anesthesiology Sciences 2025; 7(1): 35-38
Used in clinical research to measure ergonomic posture during surgery.
Reliability and validity of a smartphone goniometer application for measuring the quadriceps angle in healthy women: a cross-sectional study
Aafreen A, Khan A, Khan AR, Ahmad A, Parween S, Maurya NK, Alshehri MM, Shaphe MA, Ahmed H, Mirza H.
International Journal of Therapy and Rehabilitation 2024; 31(2)
Demonstrated excellent reliability (ICC 0.98-0.99) and validity (r=0.99) for quadriceps angle measurement in 50 participants, validating Angulus against universal goniometer gold standard.
Assessment of selected upper limb ranges of motion in violinists during instrument performance
Gol H, Szczechowicz J.
Health Promotion and Physical Activity 2024; 29(4): 8-17
Measured upper limb biomechanics in 22 violinists during performance, documenting precise range of motion parameters for shoulder, elbow, and wrist joints using Angulus application.
Comparing the Effect of Swiss Ball and Mckenzie Exercise among Football Players with Non-Symptomatic Anterior Pelvic Tilt
Mahenthiran S, Ramalingam VK.
Indian Journal of Physiotherapy & Occupational Therapy 2024; 18: 874
Used Angulus to measure anterior pelvic tilt correction in 30 football players, comparing Swiss ball versus McKenzie exercises in a controlled trial.
Rehabilitation technology in assessment and treatment of arm and hand function in myotonic dystrophy type 1: A single subject experimental design study
Fossmo HL, Ørstavik K, Gurandsrud A, Frich JC, Robinson HS.
Journal of Neuromuscular Diseases 2024
Used Angulus for remote shoulder AROM assessment via video consultations in 6 patients with myotonic dystrophy, demonstrating feasibility of telehealth goniometry in neuromuscular conditions.
Teleassessment Methods in Orthopedic Rehabilitation (Book Chapter)
Elibol N, Bakırhan S.
In: Telerehabilitation. TELe-Health Book Series, Springer Nature 2024
Lists Angulus among validated mobile anthropometry applications for remote orthopedic assessment, highlighting its use in telerehabilitation for range of motion and body measurements.
The Validity and Reliability of a Smartphone Application for Measuring Wrist and Metacarpophalangeal Joint Motion
ÖF Özçelep, MG Yavuzer, AN Tunali
Cureus, 16
Validates the accuracy of Angulus as goniometer.
Optimal Design of a Bilateral Stand-Alone Robotic Motion-Assisted Finger Exoskeleton for Home Rehabilitation
Valayil TP, Tanev TK
Machines, 10. Machines 12:685
Used Angulus for motion assessment in rehabilitation devices.
Appraisal of Clinical Improvement With Total Knee Arthroplasty in Valgus Knee Deformities: A Case Series
Kv A, Ramesh G, Chakrapani AS, Akheja S
Cureus, 16
Angulus enabled precise measurement in post-surgical knee assessments.
Smartphone-Based Hand Function Assessment: Systematic Review
Fu Y, Zhang Y, Ye B, Babineau J, Zhao Y, Gao Z, Mihailidis A
J Med Internet Res, 26
Angulus highlighted as a leading app for hand function evaluation.
Epigenetic and physiological alterations in zebrafish subjected to hypergravity
Salazar M, Joly S, Anglada-Escudé G, Ribas L
Plos one, 19(5), p.e0300310
Angulus was used to analyze images and calculate the gondola angle (θ) in a hypergravity centrifuge experiment.
Surgical course of lateral femoral cutaneous nerve during anterior exposure of paediatric hips: an observational study
Gupta, A.K., Gupta, S., Kanojia, R.K., Nirala, R., Sharma, D. and Kulshrestha, S
Journal of Pediatric Orthopaedics B, 33(1), pp.1-8.
Angulus was used to measure the LFCN's position in pediatric hip surgeries.
Evaluation of Mid-Term Results of Radial Head Resection and Lateral Collateral Ligament Repair in the Terrible Triad of the Elbow
Rouhani A, Sayyadifar H, Elmi A.
Trauma Monthly 2023; 28(1): 718-726
Used Angulus software for remote range of motion assessment in 13 elbow trauma patients, measuring flexion, extension, pronation, and supination during follow-up evaluations.
Unaided visual assessment of ventral curvature during hypospadias repair is inferior to objective measurement using app goniometry
Babu R, Prasad DA, Chandrasekharam VVS.
Pediatric Surgery International 2023; 39:219
Demonstrated that visual inspection was erroneous in 20% of 210 hypospadias cases, with Angulus providing objective measurement preventing wrong surgical technique selection.
USULAN ALAT TANAM PADI ERGONOMIS UNTUK PEMBERDAYAAN KELOMPOK TANI DESA KERTASARI, KARAWANG
Rahdiana N
BUANA ILMU, 8:1–12
Angulus assisted in ergonomic evaluations for agricultural tools.
Reliability and Validity of Angulus - Smartphone Application for Measuring Wrist Flexion and Extension
Porkodi J, Karthik V, Mathunny JJ, Ashokkumar D
2023 3rd International conference on Artificial Intelligence and Signal Processing (AISP)
Validated Angulus as a reliable tool for wrist measurement.
Penilaian Risiko Postur Kerja Berdasarkan Metode RULA Pada Pekerja Manual Handling di Toko H. Dadang
Herdiana MR, Nugraha AE
Jurnal Serambi Engineering, 8
Angulus helped evaluate ergonomic risks in manual laborers.
Arthrodilation: A Treatment Algorithm as a Conservative Management Option for Adhesive Capsulitis
Flores-Villalobos A, Cruz-López F
Acta ortopédica mexicana, 37:255–263
Angulus used in assessing treatment outcomes for frozen shoulder.
How accurate is eyeball measurement of curvature? A tool for hypospadias surgery
Mosa H, Paul A, Solomon E, Garriboli M.
Journal of Pediatric Urology 2022; 18: 470-476
Study of 52 hypospadiology specialists showed eyeball assessment errors averaging 10° compared to Angulus measurements, with 44% overestimating curvature. Angulus demonstrated excellent inter-observer reliability (R=0.983).
The reliability of smartphone goniometry technology in measuring postural changes in South African female youths carrying head loads
Kurten M, Ellapen TJ, Paul Y.
Occupational Health Southern Africa 2022; 28(6): 235-238
Demonstrated inter-rater reliability of 0.9 between Angulus and manual goniometry for measuring craniovertebral, craniohorizontal, and pelvic angles in 100 participants during head-loading activities.
Ergonomic Risk and Musculoskeletal Disorders in Rice Farmers at Karang Tanjung Village, Karawang Regency
Rahdiana N, Suhardiman S, Sukarman S
Spektrum Industri, 20:39–48
Angulus applied in evaluating musculoskeletal disorders in farmers.
Playing Gamelan Bonang in the Air: User Requirements for Designing a Digital Musical Instrument for the Malay Bonang
Saffian KA, Norowi NM, Abdullah LN, Sulaiman PS, Musib AF
Malaysian Journal of Music, 11:68–83
Angulus used in designing digital interfaces for musical instruments.
Temporary Transphyseal Medial Malleolar Screw Hemiepiphysiodesis for Acquired Ankle Valgus following Fibular Graft Harvest in Children: A Series of 15 Patients
Jain A, Agarwal A, Deo NB, Upadhyay A, Sareen JR.
International Journal of Paediatric Orthopaedics 2021; 7(3): 17-22
Used Angulus to measure lateral distal tibial angle (LDTA) in 18 ankles, tracking correction rates of 0.48°/month during hemiepiphysiodesis treatment with inter-rater reliability assessment.
A Double-Edged Sword of Surfactant Effect on Hydrophobic Surface Broccoli Leaf as a Model Plant: Promotion of Pathogenic Microbial Contamination and Improvement to Disinfection Efficiency of Ozonated Water
Song HJ, Kim MH, Ku K-M
Processes, 9:679
Angulus contributed to precise angle measurements in plant studies.
Experimental Use of Mobile APPs in Physics Education
Buongiorno D, Michelini M
Atti della Accademia Peloritana, 99:22
Angulus tested for its educational potential in physics demonstrations.