{"id":"W2041170650","doi":"10.1007/s12283-009-0028-1","title":"Understanding the role of shaft stiffness in the golf swing","year":2009,"lang":"en","type":"article","venue":"Sports Engineering","topic":"Sports Dynamics and Biomechanics","field":"Engineering","cited_by":50,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Saskatchewan; St. Francis Xavier University","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Torque; Stiffness; Swing; Flexibility (engineering); Orientation (vector space); Structural engineering; Simulation; Engineering; Mathematics; Physics; Mechanical engineering; Geometry","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":[0.0001655309,0.0002663422,0.0002000295,0.0003427348,0.0002258526,0.0007009893,0.000303039,0.0005255275,0.002380433],"category_scores_gemma":[0.0007275809,0.0002452507,0.0001406061,0.0001542901,0.0004348615,0.001048281,0.0003301326,0.0002770926,0.0004123091],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001969413,"about_ca_system_score_gemma":0.0004969716,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002578767,"about_ca_topic_score_gemma":0.003755226,"domain_scores_codex":[0.9999486,0.000006290146,0.000002819495,0.00001225026,0.0000152665,0.00001474322],"domain_scores_gemma":[0.9998209,0.00009139092,0.0000272131,0.000009961341,0.00003267204,0.00001791812],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0008506521,0.0002390931,0.06824158,0.001132788,0.00008836849,0.001360651,0.0009227768,0.07925399,0.5325307,0.02511761,0.001804717,0.288457],"study_design_scores_gemma":[0.00009687976,0.0006865878,0.470634,0.0004226082,0.0001160441,0.002686115,0.002428558,0.384427,0.04834716,0.07281484,0.01720049,0.0001397573],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9209151,0.01039973,0.05161878,0.002143767,0.0001448789,0.00002913168,0.0002292422,0.0000963288,0.0144231],"genre_scores_gemma":[0.9944536,0.00208097,0.001945203,0.00005732677,0.00004469965,0.000005164854,0.00003327423,0.00000880409,0.001370976],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002578767,"threshold_uncertainty_score":0.007963359,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01083427843151969,"score_gpt":0.1808307891562276,"score_spread":0.1699965107247079,"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."}}