disc herniation
middle age sudden onset pain below knee inc pain with sitting, WB, lifting/twisting poss of neuro ss worse in AM red pain w standing/walking obesity and smoking lat shift
degen spinal stenosis
over 60 gradual inc walking-better w shopping cart better uphill quickly better w sitting calf pain poss of neuro
spondylolisthesis
teens/20s, female flexible involved in ext activities heavy loading inc sx w ext red sx w flex poss of neuro
disk degeneration
over 60 fam history gradual inc pain w flex inc pain w loading activities better when unloaded/lying down
facet joint degeneration
over 60
pain w ext
pain sometimes w rot
no pain below knee
infection
any age recent surgery fever achy nonmechanical pain swelling
cancer
over 50 hx of cancer nonmechanical pain worse at night unexplained wt loss