Posterior Load and Shift
- Posterior Load and Shift is used to test for Posterior Instability
- lie the patient supine with the shoulder in 40-60 degrees of abduction and 90 degrees of forward elevation.
- Load the humerus with an axial load and apply anterior/posterior forces to the humeral head.
- Compare the amount of translation with the contralateral side
- positive if there is increased translation compared to contralateral side