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A sudden
twisting injury to the foot (usually with the sole pointing inwards may stretch the ligament fibres. This may cause pain, swelling and bruising. Most people are able to walk even with a limp.
Further force may cause the ligament to rupture or for a flake of bone to be pulled from where the ligament attaches It is not usually possible to put any weight on the ankle following such injuries.
Further force may cause
fracture of the bones surrounding the ankle and dislocation of the joint.
During all these injuries the smooth articular surface of the talus(a bone in the ankle) may also be dented as it is forced into the
tibia. Sometimes tendons around the ankle joint may be damaged.
If u are unable to walk normally,suffer from excessive pain or your ankle gives way very frequently and comes in the way of you leading a normal life you may contact your orthopaedician who may sugest a few investigations like
mri etc to detect extent of damage to ligaments.
Else you have no cause of worry since dents are common.
Hope I have answered your question!
Dr Shalini vaz