Rp measurement | Humeral head major diameter | Standard Perform stem size |
---|---|---|
2D Major Head diameterr | Standard Perform stem size | |
---|---|---|
Subtract 1 for long plus size

1 = Humeral Head Height
line 2-4 = major humeral head diameter
3 = COR
angle 1-2-3 = 15 degrees
line 1-3 = 0.1 * major humeral head diameter = 5 mm average

Sagittal length relates to
1. humeral head height to pec
2. major diameter humeral head
1. humeral head height to pec
2. major diameter humeral head