.trigone . http://genonlinepharmacy.com/#wxfekqofk - Online pharmacy General characteristics .If this happens you may Hear a snapping cracking or popping sound and feel a sharp pain in the back of your leg or ankle Have trouble moving your foot to walk or go up stairs Have difficulty standing on your toes Have bruising or swelling in your leg or foot About Your Injury Most likely your injury occurred when you Suddenly pushed your foot off the ground to go from walking to running or to running uphill Tripped and fell or had another accident Played a sport like tennis or basketball with a lot of stopping and starting You will likely need an MRI scan to see what type of Achilles tendon tear you have...