[Retracted] Tracking of Gymnast’s Limb Movement Trajectory Based on MEMS Inertial Sensor

Table 2

Recognition rate based on three-axis acceleration.

Category	Stretch	Chest enlargement	Whole body	Leg kick	Body side	Body rotation
Single hand	99.46	99.00	100.00	100.00	99.00	97.50
Single arm	99.46	100.00	100.00	95.95	100.00	89.50
Single hip	98.46	94.74	99.00	90.00	96.88	87.42
Waist	99.46	86.84	100.00	82.00	100.00	80.00
Single leg	96.14	92.11	100.00	95.56	100.00	85.00
Single foot	95.14	86.84	100.00	82.50	96.88	87.00