[Retracted] The Construction of Basketball Training System Based on Motion Capture Technology

Table 7

Description of human joints.

Joint name	Parent bone	Joint type	Variance	Limit of range of activities (degree)
Vertebra	No	—	—	0–50
Cervical vertebra	Thoracic bone	Universal joint	2	0–70
Shoulder joint	Thoracic bone	Universal joint	2	0–180
Elbow joint	Upper arm skeleton	Hinge	1	0–145