Thanks for writing to us.
The sudden explosive feeling that you had is likely to be due to a muscle tear and the internal bleeding
has caused the painful swellings. Do get it examined by an orthopedician to find out the extent of damage.
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