Musculoskeletal disorders are the second leading cause of disability worldwide, led by low back pain (LBP), with an estimated LBP prevalence among US adults of 20%.
1-3 The direct costs of back pain in the United States in 2010 were $34 billion,
4 with additional indirect costs including lost workplace productivity estimated at $200 billion.
5 In the US military, LBP is one of the most common reasons members seek medical care
6 and one of the most likely conditions to interrupt combat duty.
6,7 Common medical therapies for LBP, including nonsteroidal anti-inflammatory drugs, opioids, spinal fusions, and epidural steroid injections, demonstrate limited effectiveness
8-10; furthermore, many of these treatments have unacceptably high risk profiles.
8,11-14