Burdorf, A, Jansen, J P. Predicting the long term course of low back pain and its consequences for sickness absence and associated work disability. Occup. Environ. Med. 2006; 63: 522-529
Mengiardi B, Schmid MR, Boos N, Pfirrmann CW, Brunner F, Elfering A, Hodler J. Fat content of lumbar paraspinal muscles in patients with chronic low back pain and in asymptomatic volunteers: quantification with MR spectroscopy. Radiology 2006; 240(3):786-792
Hides J, Stanton W, Dilani Mendis M, Sexton M. The relationship of transversus abdominis and lumbar multifidus clinical muscle tests in patients with chronic low back pain. Man Ther. 2011 Jun 3. [Epub ahead of print]
Mayer J, Mooney V, Dagenais S. Evidence-informed management of chronic low back pain with lumbar extensor strengthening exercises. The Spine Journal 2008; 8 (1): 96-113