{"id":"W4281675121","doi":"10.1080/00140139.2022.2084164","title":"Defining the lumbar and trunk-thigh neutral zone from the passive stiffness curve: application to hybrid sit-stand postures and chair design","year":2022,"lang":"en","type":"article","venue":"Ergonomics","topic":"Musculoskeletal pain and rehabilitation","field":"Medicine","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Neutral zone; Trunk; Lumbar; Anatomy; Thigh; Stiffness; Kinematics; Electromyography; Physical medicine and rehabilitation; Orthodontics; Medicine; Physical therapy; Materials science; Range of motion; Physics; Biology; Hip flexion","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002263033,0.000655776,0.0004973063,0.0009120061,0.0001884201,0.0008847286,0.0003792245,0.0004462224,0.002053214],"category_scores_gemma":[0.006210759,0.0002062519,0.0003655647,0.0005511837,0.0003192782,0.0004514892,0.0004899713,0.0002223156,0.0003703317],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001726012,"about_ca_system_score_gemma":0.0002666962,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00142451,"about_ca_topic_score_gemma":0.004207489,"domain_scores_codex":[0.9993106,0.0003113292,0.00006307767,0.0001091702,0.0001667568,0.00003914647],"domain_scores_gemma":[0.9978964,0.0008976961,0.0004780423,0.0001226879,0.000500773,0.0001042918],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.003297369,0.0003655452,0.4981011,0.00226726,0.0003443692,0.0003351132,0.00288511,0.007485501,0.09072439,0.0006608373,0.0006766996,0.3928567],"study_design_scores_gemma":[0.00006490398,0.003061772,0.9546558,0.000357888,0.0002217747,0.001151382,0.00276667,0.01717312,0.01749557,0.0009364779,0.002028156,0.00008652844],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9386511,0.001034297,0.05721175,0.0001082048,0.00003674955,0.0001491036,0.0005482959,0.0001083462,0.002152258],"genre_scores_gemma":[0.9805387,0.0003525523,0.01844576,0.00002946824,0.00001638169,0.0001076727,0.0001950973,0.00001525291,0.0002990629],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002263033,"threshold_uncertainty_score":0.01196826,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006828963223149707,"score_gpt":0.2362696440646475,"score_spread":0.2294406808414977,"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."}}