The total of both variances equals the total direct materials variance. To apply this method to the Band Book example, take a look at the next diagram. Start at the bottom. Direct materials actually cost $297,000, even though the standard cost of the direct materials is only $289,800.
These factors can all reduce the space around a nerve root in the lower back, interfering with nerve function. Symptoms of sciatica may include pain, weakness, numbness or tingling in the low back, buttocks, posterior thighs, legs and feet. Symptoms often occur only on one side of the body.
Any problem in the lower spine can affect a nerve that feeds into the sciatic nerve, causing sciatica symptoms. Watch: Sciatica Animated Video. Any problem in the lower spine can affect one of the nerves that feeds into the sciatic nerve, causing pain to radiate along that part of the nerve.