Library / Xuebao / 2025-04-20

AI MOTION ANALYSIS

JSBA+八字?简称J?

Xuebao · CASI Level 3 coach · 2025-04-20 · length 28.3s · Original video on Douyin ↗

curves
14turns
44.9°mean peak inclination
32.58° / 61.33°left / right
53.0%symmetry
99.0%rhythm variation
24.42°angulation
190.21°/sedge rate
95.93°deepest knee flexion
83%detection coverage

Per-turn data (hover or tap)

Bar height = peak inclinationLeft turnsRight turns

Per-turn data

TurnDirStartDurationPeak incl.AngulationKnee minPeak positionEdge rate
#1R0.0s2.2s55.6°+10.4°18.0°39%74°/s
#2L2.2s1.5s57.7°-1.5°125.0°53%148°/s
#3R3.7s2.6s58.2°+78.7°42.0°87%124°/s
#4L6.3s0.6s34.3°+40.8°120.0°44%316°/s
#5R6.9s7.73s95.0°+113.6°45.0°19%140°/s
#6L14.63s2.47s43.6°+39.8°82.0°45%95°/s
#7R17.1s1.37s71.6°-17.0°89.0°56%158°/s
#8L18.47s2.73s53.3°+29.3°88.0°63%410°/s
#9L21.53s0.4s18.8°+3.0°158.0°75%74°/s
#10R21.93s0.93s63.1°-18.2°71.0°14%551°/s
#11L22.87s0.5s16.1°+44.7°114.0°60%136°/s
#12R23.37s1.2s24.5°+8.5°134.0°42%139°/s
#13L24.57s0.67s21.5°+0.0°94.0°20%216°/s
#14L27.5s0.8s15.3°+9.8°163.0°79%82°/s

Download full data JSON (includes per-frame series)← PreviousNext →

Scope: image-plane geometry and timing. Angles are most accurate with the camera up or down the fall line; off-axis values read systematically low. Analysis is fully automatic with no manual correction.