الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
We concluded that glenoid ratio, humeral ratio, clock methods, and anteroposterior diameter methods are high with reliable no significant differences between the intra & interobserver measurements. also, the glenoid clock method revealed higher discrepancies with a statistically significant difference. Glenoid ratio and Glenoid Clock methods showed moderate correlation, meanwhile, there is a strong correlation between humeral ratio and clock methods.