Why do running kidneys hurt?

Normal running exercise generally does not cause kidney pain. The main causes of kidney pain during running are as follows: First, there are stones in the kidney. The stones in the kidney will rub against each other due to running and renal pelvis mucosa, causing local pain. In severe cases, it may cause hematuria and renal colic symptoms. Second, caused by nephroptosis, nephroptosis normal is the body is relatively thin people easy to show, nephroptosis patients in strenuous exercise easy to show kidney pain, generally rest for a period of time will return to normal.Third, strenuous exercise, may also be caused by muscle strain psoas muscle pain, not kidney pain itself. Most of the factors causing renal pain during running are related to renal lesions, but it cannot be ruled out that it is caused by lesions in adjacent organs.