{"id":"W4409841495","doi":"10.1101/2025.04.24.25326137","title":"Validity, reliability, and user perspectives of the newly developed joint angle measurement system with inertial measurement unit sensors","year":2025,"lang":"en","type":"preprint","venue":"medRxiv","topic":"Advanced Measurement and Metrology Techniques","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Japan Society for the Promotion of Science; Toyota Motor Corporation","keywords":"Reliability (semiconductor); Inertial measurement unit; Joint (building); Inertial frame of reference; Unit (ring theory); Computer science; Reliability engineering; Units of measurement; Engineering; Physics; Structural engineering; Mathematics; Artificial intelligence; Classical mechanics","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0024328,0.0005189661,0.0007410671,0.0002253126,0.0001085277,0.00002862649,0.0004303567,0.0002977953,0.000005774421],"category_scores_gemma":[0.000361514,0.0003615863,0.0001521057,0.0002914909,0.0002039498,0.00006284296,0.0005012633,0.0007351825,8.071422e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008126673,"about_ca_system_score_gemma":0.0003133398,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0000880076,"about_ca_topic_score_gemma":0.0003095151,"domain_scores_codex":[0.9968559,0.0003290389,0.0006184725,0.0005819049,0.001255197,0.0003594766],"domain_scores_gemma":[0.9975007,0.00003452551,0.000218765,0.000946817,0.001207776,0.00009143093],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0008311228,0.0008406485,0.5646312,0.02361935,0.003820778,0.00004584364,0.009798715,0.1841464,0.202676,0.004211761,0.003145756,0.002232416],"study_design_scores_gemma":[0.003671566,0.0005037645,0.2998333,0.01091611,0.001824595,0.00003462383,0.004133341,0.004847644,0.6610168,0.0008985986,0.009642182,0.002677514],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9380774,0.001740197,0.05226352,0.0003404192,0.0008936004,0.00191817,0.00003363705,0.0008034235,0.003929666],"genre_scores_gemma":[0.9938829,0.000158005,0.005543493,0.00001332912,0.00007851968,0.0001883731,0.000002278669,0.00005019271,0.0000828852],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4583408,"threshold_uncertainty_score":0.9998836,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06487112886263804,"score_gpt":0.2516534554649896,"score_spread":0.1867823266023515,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}