 [ Symptoms ] is it normal to have a large area of skin discoloration and atrophy after a cortisone injection [ Disease ] you may be having congenital lax ligaments conditions like ehler  danlos syndrome have to be ruled out present pain can be due to hip joint capsular over stretching during playing any manouvere causing abnormal stretching  twisting of the capsular fibres can result in pain bony injury seems less likely take analgesics and muscle relaxants