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Table 3 Joint type and connections in the dual-bearing shoulder prosthesis (DBSP) model

From: Effect of two types of shoulder prosthesis on the muscle forces using a generic multibody model for different arm motions

Connecting parts

Type of joint

Degree of freedom (DOF)

Parent

Child

Scapula

Glenoid disk

Fixed joint

0

Glenoid disk

PE-bearing (inlay)

Hinge joint

1 rotational

PE-bearing (inlay)

Ball head with a protrusion

Gimbal joint

2 rotational

Ball head with a protrusion

Offset adapter

Fixed joint

0

Offset adapter

Humerus

Fixed joint

0

  1. DOF degrees of freedom, PE polyethylene