Lumbosacral dorsal rami innervate the facets as well. They can cause sharp, burning pain similar to spinal root pain and can also refer. pain to areas supplied by ventral rami mimicking sciatica (Willard 1995, 1997) In psoas dysfunction the lumbosacral hyper-lordosis can cause degenerative. changes in the L5-S1 intervertebral disc (IVD) and stretch the thoracolumbar long.
In other words, you withhold a 6.2 percent Social Security tax from your employeeâs wages and you pay an additional 6.2 percent as your employer share of the tax (6.2 employee portion + 6.2 employer portion = 12.4 percent total).
Employers generally have to withhold federal and state income tax from all employees' wages, based on what employees enter on their Form W-4. Income taxes are paid solely by the employees through these withholdings. Currently, the federal government levies a 12.4 percent tax for Social Security on up to $118,500 (increasing to $127,200 for 2017) of an employee's pay and a 2.9 percent tax for Medicare on all wages.