跟腱是连接小腿三头肌和跟骨的一条肌腱,也是人体最强韧的肌腱之一。当脚后屈时它起传导力量的作用。它由长胶原纤维组成,四周由起润滑作用的结缔组织包裹。这两种组织同属营养作用缓慢型组织,新陈代谢比较缓慢。其血流量只相当于一般肌肉的45％。尤为麻烦的是,供血时上下两端的流量较大,中间较小,因而容易出问题。就运动员而言,容易出现下列两种伤病: Achilles tendon is a tendon that connects the triceps and calcaneus of the calf and is also one of the toughest tendons in the body. It acts as a conduction force when the foot is flexed. It consists of long collagen fibers surrounded by connective tissue that lubricates. Both organizations belong to the slow-acting nutrition organizations, metabolism is relatively slow. Its blood flow is only equivalent to 45% of the normal muscle. Particularly troublesome is that when the blood supply flow at both ends of the upper and lower, smaller in the middle, so prone to problems. In terms of athletes, the following two types of injuries are prone to occur: