Anterior graphic of the shoulder. The tendon of the subscapularis muscle attaches both to the lesser tubercle aswell as to the greater tubercle giving support to the long head of the biceps in the bicipital groove. Dislocation of the long head of the bice
Prussak space is a subcomponent of the lateral epitympanic space and extends from the level of the scutum to the umbo. This space is best demonstrated on the oblique coronal image. Gross anatomy Boundaries lateral: pars flaccida of the tympan.