HI. I am sufering from severe R&L LE radicupahy due to LB injury-L4,5, L23 failed conservative tx for a year (trying to avoid sx) but I am now going to see a surgeon for probable disc replacement........ Question-- I m looking for literature about the effects of severe radiculathy on knees----yes pain dermatome incuded but I have recently dislocated my knee s Laterally............. I have been able to push bone back while pressing on lateral coll. ligament! last PM happened on left and I can not wt support ---worked it thru night to be able to straighten.....what is etiology? Tendonitis form nerve inflamm---causing ligament involve??? not sure what to do-major problem has been my back! (a mess i know!!) thanks, Dr Robin IM (not ortho)