Causes of muscle spasms. A herniated disc can cause muscle spasms for two reasons: Inflammation â The nucleus pulposus contains enzymes that cause inflammation and, in turn, pain. The muscles sometimes spasm as the result of pain, further contributing to the patientâs discomfort.
Roth TSP Contributions for TSP members. Roth Thrift Savings Plan contributions are limited to the $18,000 elective deferral limit. All additional contributions toward the Annual Additions Limit must be made into a Traditional TSP account, even if the contributions come from tax-exempt pay.
DEFINITION of 'Thrift Savings Plan-TSP'. A retirement savings plan created by the Federal Employee's Retirement System Act of 1986 for current or retired employees of the federal civil service.