The XC-109A is a life-size anatomical model of the human right shoulder joint that includes muscle attachments and flexible ligaments.
- Anatomy Included: Shows the humerus, scapula, and clavicle bones.
- Musculature: Features the rotator cuff muscles, including the infraspinatus, subscapularis, supraspinatus, and teres minor/major.
- Functionality: Designed with flexible, artificial ligaments to demonstrate abduction, adduction, anteversion, retroversion, and internal/external rotation.
- Construction: Typically made of medical-grade PVC and mounted on a removable stand for classroom or clinical display.



