Ticeps O & I
Long head O: Infraglenoid tubercle of the scapulaLateral head O: Posterior humerus superior to radial grooveMedial head O: Posterior humerus inferior to radial grooveI: Olecranon process
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Ticeps O & I
Long head O: Infraglenoid tubercle of the scapulaLateral head O: Posterior humerus superior to radial grooveMedial head O: Posterior humerus inferior to radial grooveI: Olecranon process