Dated internal injuries can cause calcium dumps to build up from the tendon throughout the years. Even though there will be other notable causes out of soreness at the back of your own heel, such calcaneal bursitis and you may Haglund’s deformity, the typical cause try retrocalcaneal tendinitis that have calcification. Almost every other writers thought that ectopic bone comes out of metaplasia from ligament tissues on the osteogenic tissues.