{ "comparisonContexts" : [ { "comparability" : [ ], "cornerDirection" : "left", "evidenceHash" : "03f1e900e378db0ef93585c91a0c5a1ae6420d331d83bfe421c1edbdeca205ac", "pairID" : "A001", "photoCoaching" : { "cornerDirection" : "left", "points" : [ { "detail" : "Both riders have the left elbow bent and low, with the chest forward. Use the reference as a coordination cue: allow the inside elbow to fold while the outside arm accommodates torso movement. These side views do not establish a precise torso-twist target or prove your outside elbow is locked.", "title" : "Coordinate the inside elbow with torso movement" }, { "detail" : "Your reported fixed-grip feeling remains a useful hypothesis. Explore a comfortable diagonal inside-hand orientation while keeping control access and a supple outside arm. The gloves and viewing angles do not establish grip pressure or exact wrist angles, so more wrist bend is not itself a target.", "title" : "Check hand freedom without forcing wrist bend" }, { "detail" : "Your low left boot is partly obscured by shadow and blur. Check toe clearance and ball-of-foot support when settled in the corner, preserving access to the shift control when needed. Neither photo establishes precise sole contact or peg pressure.", "title" : "Verify the obscured boot and peg contact" } ], "provenance" : "Provisional visual comparison of both original photos on 2026-09-15. User confirmed the Aprilia rider as reference. Different motorcycles, camera viewpoints and corner moments limit direct position matching; no joint measurements or hidden contact validated." }, "referenceConfirmed" : false, "referenceID" : "A001-reference", "subjectConfirmed" : false, "subjectID" : "A001-subject" } ], "frames" : [ { "edits" : { }, "file" : "IMG_0943.jpeg", "history" : [ ], "id" : "A001-subject", "pairID" : "A001", "panel" : { "height" : 1427, "width" : 2296, "x" : 0, "y" : 0 }, "raw2D" : { "candidateCount" : 1, "durationSeconds" : 0.0772010087966919, "joints" : [ { "confidence2D" : 0.5546875, "name" : "root", "point" : { "x" : 1435.0010948181152, "y" : 634.9728021025658 } }, { "confidence2D" : 0.727294921875, "name" : "neck", "point" : { "x" : 1263.2625880241394, "y" : 477.1512452661991 } }, { "confidence2D" : 0.73779296875, "name" : "nose", "point" : { "x" : 1144.977549314499, "y" : 482.19696962833405 } }, { "confidence2D" : 0.7705078125, "name" : "left_shoulder", "point" : { "x" : 1246.5872764587402, "y" : 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