Rotator Cable: an arching, cable-like thickening of the RTC. The rotator cable is 2.59 times the thickness of the rotator crescent that it surrounds and functions to stress-shield the rotator crescent. (Burkhart SS, Arthroscopy 1993; 9: 611-616)
Rotator Crescent: thinner crescent of tissue that inserts into the greater tuberosity.
Greater tuberosity insertion
Humeral head
Arthroscopic view from posterior portal in beach chair postition.