Table 1.

Characteristics of fibrous and fibrocartilaginous entheses.

	Fibrous Entheses	Fibrocartilaginous Entheses
Common Attachment	Metaphyses and Diaphyses of long bones (7)	Epiphyses and Apophyses (7)
Composition	Perforating mineralized collagen fibers (1)	Four distinct zones (1,7)
Angle of Insertion	Insertion angle changes slightly during motions (2)	Prone to overuse injuries as the insertion angle changes are greater (2)
Example	Deltoid attachment to the humerus and Adductor magnus to the linea aspera of the femur, pronator teres (1,8)	Rotator Cuff and Achilles Tendons (1,7)