The lateral femoral cutaneous nerve is a terminal sensory nerve that originates from L2-L3 and innervates the skin ... The ilioinguinal nerve originates from the L1 root. At the level of the ...

So if the L3 nerve root is compressed in the lumbar spine, the quadriceps would experience weakness (along with L4) and when the C7 cervical nerve root is compressed the wrist extensor musculature ...