Thanks for writing to us.
The sharp pain
and the feeling of a crunch sound are suggestive of a bone injury
. You need to get an X-ray or MRI
of the area done to detect any bone injury. Meanwhile avoid bearing on the injured foot.
I hope this information has been both informative and helpful for you. You can consult me again directly through my profile URL http://bit.ly/Dr-Praveen-Tayal
Dr. Praveen Tayal