[Retracted] The Biomechanical Analysis of Jumping Difficulty Movement in National Traditional Sports

Table 3

Rotation parameters of the hip joint at four moments in the flight stage.

Feature screen	Duration	Split angle	The angle between the thigh and the horizontal plane		Shoulder torsion angle
			Right	Left
Hip rotation 0° (rise in the air)	0	73.93	−28.61	42.05	60.13
Rotate the hip joint 90° (in the air)	0.10	40.23	1.44	6.41	56.67
Hip rotation 180° (highest in the air)	0.08	49.36	33.51	−14.14	46.43
Hip rotation 270° (flying down)	0.124	45.91	10.10	32.92	25.28