Hi, thanks for writing to HCM.
From the description, it looks to me that you might have injured MEDIAL COLLATERAL LIGAMENT
(MCL) or MEDIAL MENISCUS
(as bony injury
has been ruled out by xrays taken for you). Both these structures are necessary to maintain the stability and integrity of the knee joint.
Incomplete or partial tears of both MCL and meniscus are treated conservatively by the following means -
* temporary immobilization (by splint
or POP cast)
* Use of crutches for pain control
* Isometric, isotonic, and eventually isokinetic progressive resistive exercises are begun within a few days of subsidence of pain and swelling
* If the knee is not too painful, a hinged brace is used, and quadriceps strengthening exercises and straight leg raises are encouraged after few days.
If your symptoms are not improving with the above measures, an MRI
scan is mandatory to assess the extent of damage to these structures.
Consult an orthopedic surgeon and follow his advice.
Hope this information is helpful. Good day