A Systematic Review of the Evidence for Manipulation in the Treatment of Low Back Pain

References

• Andersson GB, Lucente T, Davis AM, Kappler RE, Lipton JA, Leurgans S. (1999) A comparison of Osteopathic spinal manipulation with standard care for patients with low back pain. New Eng J Med, 341: 1426–31.
   Google Scholar
• Andersson GB, Lucente T, Davis AM, Kappler RE, Lipton JA, Leurgans S. (2000) Comparing osteopathic manipulation and standard back pain care: more difficult than you might think. Focus on Alternative and Complementary Therapies, 5: 131–2.
   Google Scholar
• Anderson R, Meeker WC, Wirick BE, Mootz RD, Kirk DH, Adams, A. (1992) A meta-analysis of clinical trials of spinal manipulation. J Manip Physiol Therap, 15: 181–94.
   Google Scholar
• Arkuszewski Z. (1986) The efficacy of manual treatment in low-back pain: A clinical trial. Manual Medicine, 2: 68–71.
   Google Scholar
• Assendelft WJ, Koes BW, van der Heijden GJM, Bouter LM (1992) The efficacy of chiropractic manipulation for back pain: blinded review of relevant randomised clinical trials. J Manip Physiol Therap, 15: 487–94.
   Google Scholar
• Asssendelft WJJ, Koes BW, van der Heijden GJMG., Bouter LM (1996) The effectiveness of chiropractic for treatment of low back pain: an update and attempt at statistical pooling. J Manip Physiol Therap, 19: 499–507.
   Google Scholar
• Assendelft WJJ, Morton SC, Yu Emily I, Suttorp MJ, Shekelle PG. (2003) Spinal Manipulative Therapy for Low Back Pain: A Meta-Analysis of Effectiveness Relative to Other Therapies. Ann Int Med, 138:871–81.
   Google Scholar
• Assendelft WJ, Morton SC, Yu Emily I, Suttorp MJ, Shekelle PG. Spinal Manipulative Therapy for Low Back Pain (Cochrane Review). In: The Cochrane Library, Issue 2, 2004. Chichester, UK: John Wiley & Sons, Ltd.
   Google Scholar
• Aure OF, Nilsen JH, Vasseljen O. (2003) Manual Therapy and Exercise Therapy in Patients With Chronic Low Back Pain. A Randomised Controlled Trial With 1-Year Follow-up. Spine, 28: 525–32.
   Google Scholar
• Bergquist-Ullman M, Larson U. (1977) Acute low-back pain in industry: A controlled prospective study with special reference to therapy and confounding factors. Acta Orthopaedica Scandinavica, 170 (suppl), 1–117.
   Google Scholar
• Bigos S, Bowyer O, Braen G. (1994) Acute low back problems in adults. Clinical practice guideline no. 14. AHCPR Publication no. 95-0642. Rockville, MD: Agency for Health Care Policy and Research, Public Health Service, US Dept Health and Human Services.
   Google Scholar
• Blomberg S, Hallin G, Grann K, Berg E, Sennerby U. (1994) Manual therapy with steroid injections – A new approach to treatment with low-back pain. A controlled multi-centre trial with an evaluation by Orthopaedic Surgeons. Spine, 19: 569–77.
   Google Scholar
• Blomberg S, Svardsudd K, Mildenberger F. (1992) A controlled multi-centre trial of manual therapy in low-back pain: initial status, sick leave and pain score during follow-up. Scand J Primary Health Care, 10: 170–8.
   Google Scholar
• Blomberg S, Svardsudd K, Tibblin G. (1993) Manual therapy with steroid injections in low-back pain: improvement of quality of life in a controlled trial with four months follow up. Scand J Primary Health Care, 11: 83–90.
   Google Scholar
• Blomberg S, Tibblin G. (1993) A controlled, multi-centre trial of manual therapy with steroid injections in low-back pain: functional variables, side effects and complications during four months follow-up. Clinical Rehabilitation, 7: 49–62.
   Google Scholar
• Blunt KL, Gatterman MI, Bereznick D.E (1995) Kinesiology: an essential approach toward understanding the chiropractic subluxation. In: Gatterman, M.R., editor. Foundations of chiropractic subluxation. St. Louis: Mosby. pp. 190–224.
   Google Scholar
• Bogduk N. (2000) Draft evidence based clinical guidelines for the management of acute low back pain. National Health and Medical Research Council, Australia.
   Google Scholar
• Borkan J, Reis S, Werner S. (1996) Guidelines for treating low back pain in primary care. The Israeli Low Back Pain Guideline Group, Harfuah.
   Google Scholar
• Bronfort GDC. (1989) Chiropractic versus general medical treatment of low back pain: a small scale controlled clinical trial. Am J Chiropractic Med: 145–50.
   Google Scholar
• Bronfort G. (1994) Chiropractic spinal manipulative therapy and exercise versus pharmacological treatment and exercise for chronic low back pain. Proceedings of the International Conference on spinal manipulation, June Vol., pp. 35–7.
   Google Scholar
• Bronfort G. (1999) Spinal manipulation. Current state of research and its indications. Neurolog Clinics N America, 17:. 91–111.
   Google Scholar
• Bronfort G, Goldsmith CH, Nelson CF, Boline P.D, Anderson AV. (1996) Trunk Exercise Combined with Spinal Manipulative or NSAID Therapy for Chronic Low Back Pain: A Randomised, Observer-Blinded Clinical Trial. J Manip Physiol Therap, 19: 570–582.
   Google Scholar
• Buerger, AA (1980) A controlled trial of rotational manipulation in low back pain. Manual Medicine, 2: 17–26.
   Google Scholar
• Burton A.K, Tillotson K.M., Cleary J. (2000) Single-blind randomised controlled trial of chemonucleolysis and manipulation in the treatment of symptomatic lumbar disc herniation. European Spine Journal, 9: 202–207.
   Google Scholar
• Burton AK., Waddell G. (1998) Clinical guidelines in the management of low back pain. Bailliere’s Clinical Rheumatology, 12: 17–35.
   Google Scholar
• Carey TS, Garrett J, Jackman A, McLaughlin C, Fryer J, Smucker DR. (1995) The outcomes and costs of care for acute low back pain among patients seen by primary care practitioners, chiropractors, and orthopaedic surgeons. New Eng J Med, 333: 913–7.
   Google Scholar
• Cassidy JD, Carrol L. J, Cote P. (1998) The Saskatchewan health and back pain survey. The prevalence of low back pain and related disability in Saskatchewan adults. Spine, 23: 1860–6.
   Google Scholar
• Cherkin DC, Deyo RA., Battie M., Street J., Barlow W. (1998) A Comparison of Physical Therapy, Chiropractic Manipulation, and Provision of an Educational Booklet for the treatment of patients with low back pain. New Eng J Med, 339: 1021–9.
   Google Scholar
• Cibulka MT., Delitto A, Koldehoff RM. (1988) Changes in innominate tilt after manipulation of the sacroiliac joint in patients with low back pain. Physical Therapy, 68: 1359–63.
   Google Scholar
• Clinical Standards Advisory Group. (1994) Epidemiology Review: the Epidemiology and Cost of Back Pain. London, HMSO.
   Google Scholar
• Cooperstein R, Perle SM, Gatterman M., Lantz C, Schneider MJ. (2001) Chiropractic technique procedures for specific low back conditions: characterising the literature. J Manip Physiol Therap, 24: 407–24.
   Google Scholar
• Cote P, Mior SA, Vernon HT. (1994) The short-term effect of a spinal manipulation on pain/pressure threshold in patients with chronic mechanical low back pain. J Manip Physiol Therap, 17: 364–8.
   Google Scholar
• Coxhead CE, Inskip H, Meade T.W, North WRS, Troup JDG. (1981) Multi-centre Trial of Physiotherapy in the Management of Sciatic Symptoms. Lancet, May, 1065–8.
   Google Scholar
• Coyer AB, Curwen IHM. (1955) Low back Pain treated by Manipulation. A Controlled Series. Brit Med J, 1, 705–7.
   Google Scholar
• CSP (1999) Physiotherapy Effectiveness Bulletin – Musculoskeletal Disorders – Spinal. 1 (4)
   Google Scholar
• Curtis P., Carey TS, Evans P, Rowane M.P, Garrett J.M, Jackman A. (2000) Training Primary Care Physicians to Give Limited Manual Therapy for Low Back Pain. Patient Outcomes. Spine, 25: 2954–61.
   Google Scholar
• Delitto A, Cibulka MT, Erhard RE, Bowling RW, Tenhula JA. (1993) Evidence for the use of an extension-mobilization category in acute low back syndrome: A prescriptive validation pilot study. Physical Therapy, 73: 216–28.
   Google Scholar
• Deyo RA. (1986) Comparative validity of the Sickness Impact Profile and shorter scales for functional assessment in low-back pain. Spine, 11: 951–4.
   Google Scholar
• Deyo RA. (1983) Conservative Therapy for Low Back Pain. Distinguishing Useful From Useless Therapy. JAMA, 250: 1057–62.
   Google Scholar
• Dickersin K. (1990) The existence of publication bias and risk factors for its occurrence. JAMA, 263: 1385–89.
   Google Scholar
• DiFabio RP. (1992) Efficacy of Manual Therapy. Physical Therapy, 72: 853–63.
   Google Scholar
• Doran DML, Newell DJ. (1975) Manipulation in Treatment of Low Back Pain: A Multi-centre Study. BMJ,2: 161–4.
   Google Scholar
• Erhard RE, Delitto A, Cibulka MT. (1994) Relative effectiveness of an extension program and a combined program of manipulation and flexion and extension exercises in patients with acute low back syndrome. Physical Therapy, 74: 1093–1100.
   Google Scholar
• Ernst E, Assendelft WJJ. (1998) Chiropractic for low back pain. We don’t know whether it does more good than harm. BMJ, 317:160.
   Google Scholar
• Ernst E, Canter PH. (2003) Chiropractic spinal manipulation treatment for back pain? A systematic review of randomised clinical trials. Physical Therapy Reviews, 8: 85–91.
   Google Scholar
• Ernst E, Harkness E. (2001) Spinal manipulation: A systematic review of sham-controlled, double-blind, randomised clinical trials. J Pain Symptom Management, 22: 879–89.
   Google Scholar
• Evans DP, Burke MS, Lloyd KN, Roberts E, Roberts GM. (1978) Lumbar Spinal Manipulation on Trial. Part I – Clinical Assessment. Rheum Rehabil, 17: 46–53.
   Google Scholar
• Faas A, Chavannes AW, van Eijk JthM. (1993) NHG-Standaard Lage-Rugpijn. Huisarts Wet, 39: 18–31.
   Google Scholar
• Farrell JP, Twomey LT. (1982) Acute low-back pain – Comparison of two conservative treatment approaches. Med J Australia, 1:160–4.
   Google Scholar
• Feine JS, Lund JP. (1997) An assessment of the efficacy of physical therapy and physical modalities for the control of chronic musculoskeletal pain. Pain, 71: 5–23.
   Google Scholar
• Ferreira M, Ferreira P, Latimer J, Herbert R., Maher C. (2003) Chronic low back pain patients who benefit from spinal manipulative therapy are difficult to identify. Austral J Physiotherapy, 49: 64.
   Google Scholar
• Ferreira ML, Ferreira PH, Latimer J, Herbert R, Maher CG. (2002) Does spinal manipulative therapy help people with chronic low back pain? Australian J Physiotherapy, 48: 277–84.
   Google Scholar
• Ferreira ML, Ferreira PH, Latimer J, Herbert R, Maher CG. (2003) Efficacy of spinal manipulative therapy for low back pain of less than three months’ duration. J Manip Physiol Therap, 26: 593–601.
   Google Scholar
• Ferreira PH, Ferreira MK, Maher C, Latimer J, Herbert R, Refshauge K. (2002) Effect of applying different “levels of evidence” criteria on conclusions of Cochrane reviews of interventions for low back pain. J Clin Epidemiol, 55: 1111–4.
   Google Scholar
• Fisk JW. (1979) A controlled trial of manipulation in a selected group of patients with low-back pain favouring one side. NZ Med J, 90: 288–91.
   Google Scholar
• Freiman JA, Chalmers TC, Smith H, Kuebler RR. (1978) The importance of beta, the type II error and sample size in the design and interpretation of the randomised controlled trial. New Eng J Med, 299: 690–4.
   Google Scholar
• Gatterman MI, Cooperstein R, Lantz C, Perle SM, Schneider MJ. (2001) Rating specific chiropractic technique procedures for common low back conditions. J Manip Physiol Therap, 24: 449–56.
   Google Scholar
• Gibson T, Grahame R, Harkness J, Woo P, Balgrave P, Hills R. (1985) Controlled comparison of short-wave diathermy treatment with osteopathic treatment in non-specific low-back pain. Lancet, June 1, 1258–61.
   Google Scholar
• Giles LGF, Muller R. (1999) Chronic spinal pain syndromes: a clinical pilot trial comparing acupuncture, a nonsteroidal anti-inflammatory drug, and spinal manipulation. J Manip Physiol Therap, 22: 376–81.
   Google Scholar
• Glover JR, Morris JG, Khosla T. (1974) Back Pain: a randomised clinical trial of rotational manipulation of the trunk. Br J Indust Med, 31: 59–64.
   Google Scholar
• Godfrey CM, Morgan PP, Schatzke, J. (1984) A randomised trial of manipulation for low-back pain in a medical setting. Spine, 9: 301–4.
   Google Scholar
• Gregoire G, Derderian F, Le Lorier J. (1995) Selecting the language of the publications included in a meta-analysis: Is there a tower of Babel bias? J Clin Epidemiol, 48: 159–63.
   Google Scholar
• Grieve GP (1989) Common Vertebral Joint Problems. 2nd Edition. New York, NY: Churchill Livingstone, 303–349, 534.
   Google Scholar
• Hadler NM, Curtis P, Gillings DB, Stinnett S. (1987) A benefit of spinal manipulation as adjunctive therapy for acute low-back pain: a stratified controlled trial. Spine, 12: 702–6.
   Google Scholar
• Hawk C, Azad A, Phongphua C, Long CR. (1999) Preliminary study of the effects of a placebo chiropractic treatment with sham adjustments. J Manip Physiol Therap, 22: 436–43.
   Google Scholar
• Helliwell PS, Cunliffe G. (1987) Manipulation in low back pain. Physician, April, 187–8.
   Google Scholar
• Hemmila HM, Keinanen-Kiukaanniemi SM, Levoska S, Puska P. (2002) Long-term effectiveness of bone-setting, light exercise therapy, and physiotherapy for prolonged back pain: a randomised clinical trial. J Manip Physiol Therap, 25: 99–104.
   Google Scholar
• Herzog W, Conway PJW, Willcox BJ. (1991) Effects of different treatment modalities on gait symmetry and clinical measures for sacroiliac joint patients. J Manip Physiol Therap, 14: 104–9.
   Google Scholar
• Hoehler FK, Tobis JS. (1987) Appropriate statistical methods for clinical trials of spinal manipulation. Spine, 12: 409–11.
   Google Scholar
• Hoehler FK, Tobis JS, Buerger AA. (1981) Spinal Manipulation for Low Back Pain. JAMA, 245: 1835–8.
   Google Scholar
• Hoiriis KT, Pfleger B, McDuffie FC, Alattar M, Owens EF. (1997) Design and implementation of a randomised controlled clinical trial of chiropractic care versus drug therapy for subacute low back pain. Chiropractic Res J, 4: 50–63.
   Google Scholar
• Hoiriss KT, Pfleger B, McDuffie FC, Cotsanis G, Elsangak O, Versoza GT. (2002) A randomised clinical trial comparing chiropractic to conservative medical care for subacute low back pain…symposium proceedings of the World Federation of Chiropractic 6th Biennial Congress, Paris, France, 21–26 May 2001. Eur J Chiropractic, 49: 101.
   Google Scholar
• Hsieh CYJ, Adams AH, Tobis J, Hong CZ, Danielson C, Platt K, Hoehler F, Reinsch S, Rubel A. (2002) Effectiveness of Four Conservative Treatments for Subacute Low Back Pain. A Randomised Clinical Trial. Spine, 27: 1142–48.
   Google Scholar
• Hsieh CJ, Phillips RB, Adams AH, Pope MH. (1992) First Prize: Functional outcomes of low-back pain: Comparison of four treatment groups in a randomised controlled trial. J Manip Physiol Therap, 15:4–9.
   Google Scholar
• Hurwitz EL, Coulter ID, Adams AH. (1998) Use of chiropractic services from 1985 through 1991 in the United States and Canada. Am J Public Health, 88: 771–6.
   Google Scholar
• Hurwitz EL, Harber PI, Kominski GF, Yu F, Adams AH. (2002) Effectiveness of physical modalities among low back pain patients randomised to chiropractic care: findings from the UCLA low-back pain study. Eur J Chiropractic, 49; 102–3.
   Google Scholar
• Hurwitz EL, Morgenstern H, Harber P, Kominski GF, Belin TR, Yu F, Adams AH. (2002) A randomised trial of medical care With and Without Physical therapy and chiropractic care with and without physical modalities for patients with low back pain: 6-month follow-up outcomes from the UCLA low back pain study. Spine, 27: 2193–204.
   Google Scholar
• Hurwitz EL, Morgenstern H, Harber P, Kominski GF, Belin TR, Yu F, Adams AH. (2002) Second Prize: The effectiveness of physical modalities among patients with low back pain randomised to chiropractic care: findings from the UCLA low back pain study. J Manip Physiol Therap, 25: 10–20.
   Google Scholar
• Jayson MIV, Sims-Williams H, Young S, Baddeley H, Collins E. (1981) Mobilization and manipulation for low-back pain. Spine, 6: 409–16.
   Google Scholar
• Keller TS, Colloca CJ. (2000) Mechanical force spinal manipulation increases trunk muscle strength assessed by electromyography: a comparative clinical trial. J Manip Physiol Therap, 23: 585–95.
   Google Scholar
• Khan, K.S., Daya, S., Jadad, A.R. (1996) The Importance of Quality of Primary Studies in Producing Unbiased Systematic Reviews. Archives of Internal Medicine, 156, pp. 661–6.
   Google Scholar
• Kinalski, R., Kuwik, W., Pietrazak, D. (1989) The comparison of manual therapy versus physiotherapy methods used in treatment of patients with low back pain syndromes. Manual Medicine, 4, pp. 44–6.
   Google Scholar
• Koes, B.W., Assendelft, W.J.J., van der Heijden, G.J.M., Bouter, L.M. (1996) Spinal manipulation for low back pain: An updated systematic review of randomised controlled trials. Spine, 21, pp. 2860–73.
   Google Scholar
• Koes, B.W., Assendelft, W.J.J., van der Heijden, G.J.M.G., Bouter, L.M., Knipschild, P.G. (1991) Spinal manipulation and mobilisation for back and neck pain: a blinded review. British Medical Journal, 303, pp. 1298–303.
   Google Scholar
• Koes, B.W., Bouter, L.M., Knipschild, P.G., van Mameren, H., Essers, A., Houben, J.P. (1991) The effectiveness of manual therapy, physiotherapy and continued treatment by the general practitioner for chronic non-specific back and neck complaints: design of a randomised clinical trial. J Manip Physiol Therap, 14: 498–502.
   Google Scholar
• Koes BW, Bouter LM, van der Heijden GJMG. (1995) Methodological quality of randomised clinical trials on treatment efficacy in low back pain. Spine, 20: 228–35.
   Google Scholar
• Koes BW, Bouter LM, van Mameren H, Essers AH, Verstegen GJ, Hofhuizen DM, Houben JP, Knipschild PG. (1992) A blinded randomised clinical trial of manual therapy and physiotherapy for chronic back and neck complaints: Physical outcome measures. J Manip Physiol Therap, 15: 16–23.
   Google Scholar
• Koes BW, Bouter L.M, van Mameren H, Essers AH, Verstegen GJ, Hofhiuzen DM, Houben JP, Knipschild PG. (1992) The effectiveness of manual therapy, physiotherapy and treatment by the general practitioner for non-specific back and neck complaints: A randomised clinical trial. Spine, 17: 28–36.
   Google Scholar
• Koes BW, Bouter LM, van Mameren H, Essers AH, Versetegen GJ, Hofhuizen DM, Houben, JP, Knipschild PG. (1993) A randomised clinical trial of manual therapy and physiotherapy for persistent back and neck complaints: Subgroup analysis and relationship between outcome measures. J Manip Physiol Therap,16:211–9.
   Google Scholar
• Koes BW, Bouter LM, van Mameren H, Essers AHM, Verstegen GMJR, Hofhuizen DM, Houben JP, Knipschild PG. (1992) Randomised clinical trial of manual therapy and physiotherapy for persistent back and neck complaints: Results of one year follow up. BMJ, 304: 601–5.
   Google Scholar
• Koes BW, van Tulder MW, Ostelo R, Burton AK, Waddell G. (2001) Clinical guidelines for the management of low back pain in primary care: an international comparison. Spine, 26: 2504–14.
   Google Scholar
• Licciardone JC, Stoll ST, Fulda KG, Russo DP, Siu J, Winn W, Swift Jr J. (2003) Osteopathic manipulative treatment for chronic low back pain. A randomised controlled trial. Spine, 28: 1355–62.
   Google Scholar
• MacDonald RS, Bell CMJ. (1990) An open controlled assessment of osteopathic manipulation in non-specific low-back pain. Spine, 15: 364–70.
   Google Scholar
• Mathews JA, Mills SB, Jenkins VM, Grimes SM, Morkel MJ., Mathews W, Scott CM, Sittampalam Y. (1987) Back pain and sciatica: controlled trials of manipulation, traction, sclerosant and epidural injections. Br J Rheumatol, 26: 416–23.
   Google Scholar
• Mathews W, Morkel M, Mathews J. (1988) Manipulation and traction for lumbago and sciatica: physiotherapeutic techniques used in two controlled trials. Physiotherapy Practice, 4: 201–6.
   Google Scholar
• Meade TW, Dyer S, Browne W., Townsend J, Frank AO. (1990) Low back pain of mechanical origin: randomised comparison of chiropractic and hospital outpatient treatment. BMJ, 300: 1431–7.
   Google Scholar
• Meade TW, Dyer S, Browne W, Frank AO. (1995) Randomised comparison of chiropractic and hospital out-patient management for low back pain: results from extended follow-up. BMJ, 311: 349–51.
   Google Scholar
• Meeker WC. (1996) Point of View. Spine, 21: 2873.
   Google Scholar
• Mohseni-Bandpei MA, Stephenson R, Richardson B. (1998) Spinal manipulation in the treatment of low back pain: a review of the literature with particular emphasis on randomised controlled clinical trials. Physical Therapy Rev, 3: 185–94.
   Google Scholar
• Niemisto L, Lahtinen-Suopanki T, Rissanen P, Lindgren KA, Sarna S, Hurri H. (2003) A Randomised Trial of Combined Manipulation, Stabilizing Exercises, and Physician Consultation Compared to Physician Consultation Alone for Chronic Low Back Pain. Spine, 28: 2185–91.
   Google Scholar
• Nwuga VCB. (1982) Relative therapeutic efficacy of vertebral manipulation and conventional treatment in back pain management. Am J Phys Med, 61: 273–8.
   Google Scholar
• Nyiendo J, Haas M, Goodwin P. (2000) Patient characteristics, practice activities, and one-month outcomes for chronic, recurrent low back pain treated by chiropractors and family medicine physicians: a practice-based feasibility study. J Manip Physiol Therap, 23: 239–45.
   Google Scholar
• Ongley MJ, Klein RG, Dorman TA, Eek BC, Hubert LJ. (1987) A new approach to the treatment of chronic Low Back Pain. Lancet, 2: 143–6.
   Google Scholar
• Paris SV. (1983) Spinal Manipulative Therapy. Clin Orth Rel Res, 179:55–61.
   Google Scholar
• Pengel HM, Maher CG, Refshauge KM. (2002) Systematic review of conservative interventions for subacute low back pain. Clin Rehabil, 16:811–20.
   Google Scholar
• Pope MH, Phillips RD, Haugh LD, et al (1994) A prospective randomised three-week trial of spinal manipulation, transcutaneous muscle stimulation, massage and corset in the treatment of sub-acute low back pain. Spine, 19: 2571–7.
   Google Scholar
• Postacchini F, Facchini M, Palieri P. (1988) Efficacy of various forms of conservative treatment in low back pain: A comparative study. Neuro-Orthopaedics, 61: 28–35.
   Google Scholar
• Rasmussen GG. (1979) Manipulation in the treatment of low back pain: a randomised clinical trial. Manual Medicine, 1: 8–10.
   Google Scholar
• Roberts GM, Roberts EE, Lloyd KN, Burke MS, Evans DP. (1978) Lumbar Spinal Manipulation on Trial. Part II – Radiological Assessment. Rheumatol Rehabil, 17: 54–9.
   Google Scholar
• Sanders GE, Reinert O, Tepe R, Maloney P. (1990) Chiropractic Adjustive Manipulation on Subjects with Acute Low Back Pain: Visual Analogue Pain Scores and Plasma Beta-Endorphin Levels. J Manip Physiol Therap ,13:391–5.
   Google Scholar
• Seferlis T, Nemeth G, Carlsson AM, Gillstrom P. (1998) Conservative treatment inpatients sick-listed for acute low-back pain: a prospective randomised study with 12 months’ follow-up. Eur Spine J, 7: 461–70.
   Google Scholar
• Shekelle PG, Adams AH, Chassin MR, Hurwitz EL, Brook RH. (1992) Spinal Manipulation for Low-Back Pain. Ann Int Med, 117:590–8.
   Google Scholar
• Shekelle PG, Brook RH. (1991) A community-based study of the use of chiropractic services. Am J Public Health, 81: 439–42.
   Google Scholar
• Sims-Williams H, Jayson MIV, Young SMS, Baddeley H, Collins E. (1978) Controlled trial of mobilisation and manipulation for patients with low back pain in general practice. BMJ, 2: 1338–40.
   Google Scholar
• Sims-Williams H, Jayson MIV, Young SMS, Baddeley H, Collins E. (1979) Controlled trial of mobilisation and manipulation for low back pain: hospital patients. BMJ, 2: 1318–20.
   Google Scholar
• Skargren EI, Carlsson PG, Oberg BE. (1998) One year follow-up comparison of the cost and effectiveness of chiropractic and physiotherapy as primary management for back pain. Spine, 23: 1875–83.
   Google Scholar
• Skargren EI, Oberg BE. (1998) Predictive factors for 1-year outcome of low-back and neck pain in patients treated in primary care: comparison between the treatment strategies chiropractic and physiotherapy. Pain, 77: 201–7.
   Google Scholar
• Skargren EI, Oberg BE, Carlsson PG, Gade M. (1997) Cost and effectiveness analysis of chiropractic and physiotherapy treatment for low back and neck pain. Six-month follow-up. Spine, 22: 2167–77.
   Google Scholar
• Smith M, Stano M. (1997) Costs and recurrences of chiropractic and medical episodes of low-back care. J Manip Physiol Therap, 20: 5–12.
   Google Scholar
• Stano M. (1993) A comparison of health care costs for chiropractic and medical patients. J Manip Physiol Therap, 16: 291–9.
   Google Scholar
• Threlkald AJ. (1992) The Effects of Manual Therapy on Connective Tissue. Physical Therapy, 72: 893–902.
   Google Scholar
• Timm K.E. (1994) A control-control study of active and passive treatments for chronic low back pain following L5 laminectomy. J Orthop Sports Phys Ther, 20: 276–86.
   Google Scholar
• Tobis JS, Hoehler FK. (1983) Musculoskeletal manipulation in the treatment of low-back pain. Bull New York Acad Med, 59: 660–8.
   Google Scholar
• Triano JJ, McGregor M, Hondras MA, Brennan PC. (1995) Manipulative therapy versus education programs in chronic low back pain. Spine, 20: 948–55.
   Google Scholar
• van Tulder M, Assendelft WJJ, Koes BW, Bouter LM. (1997b) Method guidelines for systematic reviews in the Cochrane collaboration back review group for spinal disorders. Spine, 22: 2323–30.
   Google Scholar
• van Tulder MW, Koes BW, Bouter LM. (1997a) Conservative treatment of acute and chronic nonspecific low back pain. A systematic review of randomised controlled trials of the most common interventions. Spine, 22: 2128–56.
   Google Scholar
• Vernon H. (1996) Briefly noted. Spinal manipulation for chronic low back pain: a review of the evidence. J Canad Chiropractic Ass, 40: 180–2.
   Google Scholar
• Vernon HT, Dhami MSI, Howley TP, et al. (1986) Spinal manipulation and beta-endorphin: a controlled study of the effect of spinal manipulation on plasma beta-endorphin levels in normal males. J Manip Physiol Therap, 9: 115–23.
   Google Scholar
• Waagen G, Haldeman S, Cook G., Lopez D., Deboer KF. (1986) Short-term trial of chiropractic adjustments for the relief of chronic low-back pain. Manual Medicine, 2: 63–67.
   Google Scholar
• Waddell G. (1987) A new clinical model for the treatment of low-back pain. Spine, 12: 632–44.
   Google Scholar
• Waddell G. (1998) The Back Pain Revolution. London: Churchill Livingstone, pp. 103–117,351–367.
   Google Scholar
• Waddell G, McIntosh A, Hutchinson A, et al (1999) Low Back Pain Evidence Review. London: Royal College of General Practitioners.
   Google Scholar
• Waterworth RF, Hunter IA. (1985) An open study of diflunisal, conservative and manipulative therapy in the management of acute mechanical low back pain. NZ Med J, 98: 372–5.
   Google Scholar
• Williams NH, Wilkinson C, Russell I, Edwards RT, Hibbs R, Linck P, Muntz R (2003) Randomised osteopathic manipulation study (ROMANS): pragmatic trial for spinal pain in primary care. Family Practice, 20: 662–9.
   Google Scholar
• Wreje U, Nordgren B, Aberg H. (1992) Treatment of pelvic joint dysfunction in primary care: A controlled study. Scand J Primary Health Care, 10: 310–5.
   Google Scholar