1. Zhang Q, Zhang JH, Tong PJ (2014) [Application of transcutaneous electrical nerve stimulation to multimodal analgesia after total knee arthroplasty]. Zhongguo gu shang = China journal of orthopaedics and traumatology 27: 283-286. Participants not relevant 2. Yildirim MA, Ucnullar D, Ones K, Borcin B (2014) Comparison of the duration of therapeutic ultrasound in patients with knee osteoarthritis. Annals of the Rheumatic Diseases 73. Intervention not appropriate 3. Sarifakioglu B, Guzelant AY, Ozduran E (2014) The comparision of the effectiveness of short wave diathermy and ultrasound in the treatment of gonarthrosis. Turk Osteoporoz Dergisi 20: 16-20. Participants not relevant 4. McAlindon TE, Bannuru RR, Sullivan MC, Arden NK, Berenbaum F, et al. (2014) OARSI guidelines for the non-surgical management of knee osteoarthritis. Osteoarthritis and Cartilage 22: 363-388. Study design not suitable 5. Maly M (2014) Osteoarthritis year in review: Rehabilitation and outcomes. Osteoarthritis and Cartilage 22: S5-S6. Study design not suitable 6. Cheng G, Cheng W, Jiang YG (2014) [Controlled observation of clinical efficacy on knee osteoarthritis treated with auricular electroacupuncture and the isolated moxibustion with Lingxian herbal paste]. Zhongguo Zhen Jiu 34: 230-234. Intervention not appropriate 7. Arokoski JPA (2014) Treatment of knee and hip osteoarthritis in the elderly. Pain Practice 14: 10. Study design not suitable 8. Ali SS, Ahmed SI, Khan M, Soomro RR (2014) Comparing the effects of manual therapy versus electrophysical agents in the management of knee osteoarthritis. Pakistan journal of pharmaceutical sciences 27: 1103-1106. Intervention not appropriate 9. Yildirim MA, Ones K, Ucnullar D (2013) Comparison of the duration of ultrasound treatment in patients with knee osteoarthritis. Osteoporosis International 24: S234-S235. Intervention not appropriate 10. Weiner DK, Moore CG, Morone NE, Lee ES, Kent Kwoh C (2013) Efficacy of periosteal stimulation for chronic pain associated with advanced knee osteoarthritis: a randomized, controlled clinical trial. Clin Ther 35: 1703-1720.e1705. Intervention not appropriate 11. Stemberger R, Kerschan-Schindl K (2013) Osteoarthritis: Physical medicine and rehabilitation - Nonpharmacological management. Wiener Medizinische Wochenschrift 163: 228-235. Study design not suitable 12. Paker N, Bunulldayci D, Gunduz B, Celik B, Erhan B, et al. (2013) The efficacy of physical treatment modalities on pain and functional status in the patients with knee osteoarthritis. Turkiye Fiziksel Tip ve Rehabilitasyon Dergisi 59: 349. Intervention not appropriate 13. MacPherson H, Corbett M, Rice S, Madurasinghe V, Slack R, et al. (2013) Acupuncture and other physical treatments for the relief of chronic pain due to osteoarthritis of the knee: Network meta-analysis. Journal of Alternative and Complementary Medicine 19: A2. Study design not suitable 14. Julian R, Ramirez R, Rueda MJ, Latorre A, Castell V, et al. (2013) Impact of the physiotherapy unit in an urban primary care health centre. Annals of the Rheumatic Disease 71. Study design not suitable 15. Grypdonck L, Hermens R, Vankrunkelsven P, Luyten F (2013) Knee osteoarthritis: Widespread use of treatments that are not considered essential for high quality care. Annals of the Rheumatic Diseases 72. Study design not suitable 16. Davis AM, MacKay C (2013) Osteoarthritis year in review: Rehabilitation. Osteoarthritis and Cartilage 21: S7-S8. Study design not suitable 17. Corbett MS, Rice SJC, Madurasinghe V, Slack R, Fayter DA, et al. (2013) Acupuncture and other physical treatments for the relief of pain due to osteoarthritis of the knee: Network meta-analysis. Osteoarthritis and Cartilage 21: 1290-1298. Study design not suitable 18. Bierma-Zeinstra S (2013) A stepped care approach towards hip and knee osteoarthritis in primary care. Annals of the Rheumatic Disease 71. Study design not suitable 19. Bao F, Zhang Y, Wu ZH, Wang Y, Sheng M, et al. (2013) [Efficacy observation on knee osteoarthritis treated with electroacupuncture and its influence on articular cartilage with T2 mapping]. Zhongguo Zhen Jiu 33: 193-197. Intervention not appropriate 20. Adams T, Band-Entrup D, Kuhn S, Legere L, Mac EK, et al. (2013) Physical therapy management of knee osteoarthritis in the middle-aged athlete. Sports Medicine and Arthroscopy Review 21: 2-10. Intervention not appropriate 21. Abdulla A, Adams N, Bone M, Elliott AM, Gaffin J, et al. (2013) Guidance on the management of pain in older people. Age and ageing 42 Suppl 1: i1-57. Study design not suitable 22. Turcan A, Uzkeser H, Sariyildiz MA, Guler M, Aydin T (2012) The effectiveness of one or two physical therapy sessions per day on knee osteoarthritis. International Journal of Rheumatic Diseases 15: 95. Intervention not appropriate 23. Stange R, Moser C, Hopfenmueller W, Mansmann U, Buehring M, et al. (2012) Randomised controlled trial with medical leeches for osteoarthritis of the knee. Complementary Therapies in Medicine 20: 1-7. Intervention not appropriate 24. Saleki M, Ahadi T, Razi M, Raeisi GR, Forough B (2012) Comparison of the effects of acupuncture and physical modality on symptoms of knee osteoarthritis. Journal of Isfahan Medical School 30. Intervention not appropriate 25. Pietrosimone BG, Saliba SA (2012) Changes in voluntary quadriceps activation predict changes in quadriceps strength after therapeutic exercise in patients with knee osteoarthritis. Knee 19: 939-943. Intervention not appropriate 26. Kedzierski T, Stanczak K, Gworys K, Gasztych J, Sibinski M, et al. (2012) Comparative evaluation of the direct analgesic efficacy of selected physiotherapeutic methods in subjects with knee joint degenerative disease - preliminary report. Ortopedia, traumatologia, rehabilitacja 14: 537-544. Study design not suitable 27. Gao J, Ouyang BS, Zhang Y, Li J, Yang HZ, et al. (2012) [Comparison of the clinical therapeutic effects between electroacupuncture and warming needle moxibustion for knee osteoarthritis of kidney deficiency and marrow insufficiency pattern/syndrome]. Zhongguo Zhen Jiu 32: 395-398. Intervention not appropriate 28. Ebnezar J, Nagarathna R, Yogitha B, Nagendra HR (2012) Effects of an integrated approach of hatha yoga therapy on functional disability, pain, and flexibility in osteoarthritis of the knee joint: A randomized controlled study. Journal of Alternative and Complementary Medicine 18: 463-472. Intervention not appropriate 29. Di Sante L, Paoloni M, Dimaggio M, Colella L, Cerino A, et al. (2012) Ultrasoundguided aspiration and corticosteroid injection compared to horizontal therapy for treatment of knee osteoarthritis complicated with Baker's cyst: a randomized, controlled trial. Eur J Phys Rehabil Med 48: 561-567. Intervention not appropriate 30. De Luigi AJ (2012) Complementary and Alternative Medicine in Osteoarthritis. PM and R 4: S122-S133. Study design not suitable 31. Chen G, Gu RX, Xu DD (2012) [The application of electroacupuncture to postoperative rehabilitation of total knee replacement]. Zhongguo Zhen Jiu 32: 309- 312. Participants not relevant 32. Beckwee D, De Hertogh W, Lievens P, Bautmans I, Vaes P (2012) Effect of tens on pain in relation to central sensitization in patients with osteoarthritis of the knee: study protocol of a randomized controlled trial. Trials 13: 21. Study design not suitable 33. Abrams GD, Renstrom PA, Safran MR (2012) Epidemiology of musculoskeletal injury in the tennis player. British journal of sports medicine 46: 492-498. Study design not suitable 34. (2012) Herbal medicines for osteoarthritis. Drug and Therapeutics Bulletin 50: 812. Intervention not appropriate 35. (2012) [Update on current care guidelines: knee and hip osteoarthriti]. Duodecim; lääketieteellinen aikakauskirja 128: 2114-2115. Study design not suitable 36. Smink AJ, Van Den Ende CHM, Vliet Vlieland TPM, Swierstra BA, Kortland JH, et al. (2011) "Beating osteoARThritis": Development of a stepped care strategy to optimize utilization and timing of non-surgical treatment modalities for patients with hip or knee osteoarthritis. Clinical Rheumatology 30: 1623-1629. Intervention not appropriate 37. Rojahn R (2011) Transcutaneous electrostimulation for osteoarthritis of the knee. Journal of Pain Management 4: 447-449. Intervention not appropriate 38. Peter WFH, Jansen MJ, Hurkmans EJ, Bloo H, Dekker-Bakker LMMCJ, et al. (2011) Physiotherapy in hip and knee osteoarthritis: Development of a practice guideline concerning initial assessment, treatment and evaluation. Acta Reumatologica Portuguesa 36: 268-281. Study design not suitable 39. Li JH, Su YS, Jing XH, Shi H, Chen SL, et al. (2011) [Analysis and strategy report on overseas large-scale systematic evaluation on clinical effectiveness of acupuncture]. Zhongguo zhen jiu = Chinese acupuncture & moxibustion 31: 665-669. Study design not suitable 40. Leonard G, Cloutier C, Marchand S (2011) Reduced analgesic effect of acupuncture-like tens but not conventional tens in opioid-treated patients. Journal of Pain 12: 213-221. Participants not relevant 41. Lee J, Rakel B, Sluka K, Logsden-Sackett N, Yang X (2011) The role of biopsychosocial factors in the level of TENS amplitude achieved after total knee replacement. Journal of Pain 12: P46. Participants not relevant 42. Hawker GA, Mian S, Bednis K, Stanaitis I (2011) Osteoarthritis year 2010 in review: non-pharmacologic therapy. Osteoarthritis Cartilage 19: 366-374. Study design not suitable 43. Du Souich P (2011) Treatment of arthrosis: The pharmacologist's point of view. Basic and Clinical Pharmacology and Toxicology 109: 10. Study design not suitable 44. De Nijs R, Meier A, Wagemakers F, Kolen A (2011) Effects on transcutaneous electrical nerve stimulation (TENS) applied at different skin location of arthritic pain in the knee: A randomised controlled study. Osteoporosis International 22: S229. Participants not relevant 45. Calis FA, Durmaz B, Baydar M, Demircionulllu OY, Iyiyapici A, et al. (2011) The effectiveness of TENS, interferential current and short-wave diathermy on knee osteoarthritis: Multicenter, randomized, placebo controlled clinical study. Turkiye Fiziksel Tip ve Rehabilitasyon Dergisi 57: 141. Intervention not appropriate 46. Bjordal JM (2011) Time for a paradigm shift in pain treatment: Reassessing transcutaneous electrical nerve stimulation (TENS). Pain 152: 1213-1214. Study design not suitable 47. Beckwe e D, Swinnen E, Vermet Y, Bautmans I, Vaes P, et al. (2011) Clinical efficacy and parameters of tens after total knee arthroplasty: A systematic review. Osteoarthritis and Cartilage 19: S224. Study design not suitable 48. Aydoseli K, Eren B, Gunduz H (2011) Effectiveness of physical medicine modalities in osteoarthritis induced pain. Turkiye Fiziksel Tip ve Rehabilitasyon Dergisi 57: 334. Intervention not appropriate 49. Zhu Y, Chen RL, Miao FR, Ji L (2010) [Clinical observation on the therapeutic effect of drugs-paste separated moxibustion combined with electroacupunture for knee osteoarthritis patients of cold-damp type]. Zhen Ci Yan Jiu 35: 293-297. Intervention not appropriate 50. Wu MX, Li XH, Lin MN, Jia XR, Mu R, et al. (2010) Clinical study on the treatment of knee osteoarthritis of Shen-Sui insufficiency syndrome type by electroacupuncture. Chin J Integr Med 16: 291-297. Intervention not appropriate 51. Turhanogclu AD, Guler H, Inanoglu D, Inanoglu K, Turhanoglu S (2010) Tramadol iontophoresis added to treatment of Knee Osteoarthritis. Turkish Journal of Rheumatology 25: 174-178. Intervention not appropriate 52. Toupin-April K, Hochberg M, Tugwell P, Altman R, Benkhalti M, et al. (2010) Development of the 2009 revised ACR recommendations for the management of osteoarthritis. Journal of Rheumatology 37: 1336. Study design not suitable 53. Tiktinsky R, Chen L, Narayan P (2010) Electrotherapy: Yesterday, today and tomorrow. Haemophilia 16: 126-131. Study design not suitable 54. Suarez-Almazor ME, Looney C, Liu Y, Cox V, Pietz K, et al. (2010) A randomized controlled trial of acupuncture for osteoarthritis of the knee: effects of patient-provider communication. Arthritis Care Res (Hoboken) 62: 1229-1236. Intervention not appropriate 55. Rockstroh G, Schleicher W, Krummenauer F (2010) [Effectiveness of microcurrent therapy as a constituent of post-hospital rehabilitative treatment in patients after total knee alloarthroplasty - a randomized clinical trial]. Rehabilitation (Stuttg) 49: 173-179. Participants not relevant 56. Rice DA, McNair PJ (2010) Quadriceps Arthrogenic Muscle Inhibition: Neural Mechanisms and Treatment Perspectives. Seminars in Arthritis and Rheumatism 40: 250-266. Study design not suitable 57. Peter WFH, Jansen MJ, Hurkmans EJ, Bloo H, Dekker-Bakker LMMCJ, et al. (2010) An update of the Dutch physical therapy guideline on hip and knee osteoarthritis (HKOA). Arthritis and Rheumatism 62: 2051. Study design not suitable 58. Palmer S, Domaille M, Cramp F, Johnson MI (2010) Short-term effects of Transcutaneous Electrical Nerve Stimulation (TENS) and exercise on knee osteoarthritis (OA). Rheumatology 49: i33-i34. Study design not suitable 59. Jamtvedt G, Dahm KT, Holm I, Odegaard-Jensen J, Flottorp S (2010) Choice of treatment modalities was not influenced by pain, severity or co-morbidity in patients with knee osteoarthritis. Physiotherapy research international : the journal for researchers and clinicians in physical therapy 15: 16-23. Intervention not appropriate 60. Gschiel B, Kager H, Pipam W, Weichart K, Likar R (2010) Analgesic efficacy of TENS therapy in patients with gonarthrosis. A prospective, randomised, placebocontrolled, double-blind study. Schmerz 24: 494-500. Participants not relevant 61. Bruyre O, Reginster JY, Croisier JL, Crielaard JM, Maquet D (2010) Rehabilitation in osteoarthritis. Therapy 7: 669-674. Study design not suitable 62. Beadle C, Howie CR, Nuki G (2010) OARSI recommendations for the management of hip and knee osteoarthritis: Which treatments are being used? Audit of patients coming to arthroplasty in Scotland. Osteoarthritis and Cartilage 18: S152. Study design not suitable 63. Taechaarpornkul W, Suvapan D, Theppanom C, Chanthipwaree C, Chirawatkul A (2009) Comparison of the effectiveness of six and two acupuncture point regimens in osteoarthritis of the knee: a randomised trial. Acupunct Med 27: 3-8. Intervention not appropriate 64. Snelling S, Rout R, Xia Z, Andrew CJ, Hulley PA, et al. (2009) A microarray analysis of damaged versus undamaged cartilage in anteromedial gonarthrosis. Osteoarthritis and Cartilage 17: S238. Study design not suitable 65. Rutjes AW, Nuesch E, Sterchi R, Kalichman L, Hendriks E, et al. (2009) Transcutaneous electrostimulation for osteoarthritis of the knee. Cochrane database of systematic reviews (Online): CD002823. Study design not suitable 66. Pietrosimone BG, Hart JM, Saliba SA, Hertel J, Ingersoll CD (2009) Immediate effects of transcutaneous electrical nerve stimulation and focal knee joint cooling on quadriceps activation. Medicine and Science in Sports and Exercise 41: 1175-1181. Study design not suitable 67. Likar R, Kager H, Gschiel B, Weichart K, Sittl R (2009) Analgesic efficacy of tenstherapy in patients with gonarthrosis (in a prospective, randomized, placebo-controlled, double-blind study). European Journal of Pain 13: S252-S253. Participants not relevant 68. Geler Kulcu D, Yanik B, Gulsen G, Gokmen D (2009) Effect of neuromuscular electrical stimulation on pain and functional parameters in knee osteoarthritis. Turkiye Fiziksel Tip ve Rehabilitasyon Dergisi 55: 111-115. Intervention not appropriate 69. Celiker R (2009) Current treatment approaches for osteoarthritis in the elderly. Turkiye Fiziksel Tip ve Rehabilitasyon Dergisi 55: 75-79. Study design not suitable 70. Ahsin S, Saleem S, Bhatti AM, Iles RK, Aslam M (2009) Clinical and endocrinological changes after electro-acupuncture treatment in patients with osteoarthritis of the knee. Pain 147: 60-66. Intervention not appropriate 71. Zhang W, Moskowitz RW, Nuki G, Abramson S, Altman RD, et al. (2008) OARSI recommendations for the management of hip and knee osteoarthritis, Part II: OARSI evidence-based, expert consensus guidelines. Osteoarthritis and Cartilage 16: 137-162. Study design not suitable 72. Wu ZH, Bao F (2008) [Observation on therapeutic effects of electroacupuncture for the treatment of knee osteoarthritis]. Zhongguo Gu Shang 21: 170-172. Study design not suitable 73. Selfe TK, Taylor AG (2008) Acupuncture and osteoarthritis of the knee: a review of randomized, controlled trials. Fam Community Health 31: 247-254. Study design not suitable 74. Li Q, Zhu J (2008) [Observation on therapeutic effect of moxibustion at Shenque (CV 8) combined with electroacupuncture on gonarthritis of type of accumulation of pathogenic cold due to yang deficiency]. Zhongguo Zhen Jiu 28: 565-568. Participants not relevant 75. Jubb RW, Tukmachi ES, Jones PW, Dempsey E, Waterhouse L, et al. (2008) A blinded randomised trial of acupuncture (manual and electroacupuncture) compared with a non-penetrating sham for the symptoms of osteoarthritis of the knee. Acupunct Med 26: 69-78. Intervention not appropriate 76. Jamtvedt G, Dahm KT, Holm I, Flottorp S (2008) Measuring physiotherapy performance in patients with osteoarthritis of the knee: A prospective study. BMC Health Services Research 8. Intervention not appropriate 77. Jamtvedt G, Dahm KT, Christie A, Moe RH, Haavardsholm E, et al. (2008) Physical therapy interventions for patients with osteoarthritis of the knee: An overview of systematic reviews. Physical Therapy 88: 123-136. Study design not suitable 78. Hurley MV, Bearne LM (2008) Non-exercise physical therapies for musculoskeletal conditions. Best Practice and Research: Clinical Rheumatology 22: 419-433. Study design not suitable 79. Eyigor S, Karapolat H, Ibisoglu U, Durmaz B (2008) Does transcutaneous electrical nerve stimulation or therapeutic ultrasound increase the effectiveness of exercise for knee osteoarthritis: A randomized controlled study. Agri 20: 32-40. Intervention not appropriate 80. Dincer U, Cakar E, Ozdemir B, Kiralp MZ, Dursun H (2008) Comparison of effects of combined physical therapy program and exercise on corrupted balance functions in patient with knee bilateral osteoarthritis. Romatizma 23: 9-13. Intervention not appropriate 81. Burch FX, Tarro JN, Greenberg JJ, Carroll WJ (2008) Evaluating the benefits of patterned stimulation in the treatment of osteoarthritis of the knee. A multi-center, randomized, single-blind, controlled study with an independent masked evaluator. Osteoarthritis and Cartilage 16: 865-872. Intervention not appropriate 82. Xu H, Wu HG (2007) [Clinical observation of electroacupuncture combined with low-dose diclofenac in treating osteoarthritis of the knee]. Zhong Xi Yi Jie He Xue Bao 5: 457-459. Study design not suitable 83. Kang RW, Lewis PB, Kramer A, Hayden JK, Cole BJ (2007) Prospective randomized single-blinded controlled clinical trial of percutaneous neuromodulation pain therapy device versus sham for the osteoarthritic knee: a pilot study. Orthopedics 30: 439-445. Intervention not appropriate 84. Bjordal JM, Johnson MI, Lopes-Martins RAB, Bogen B, Chow R, et al. (2007) Short-term efficacy of physical interventions in osteoarthritic knee pain. A systematic review and meta-analysis of randomised placebo-controlled trials. BMC Musculoskeletal Disorders 8. Study design not suitable 85. Alcidi L, Beneforti E, Maresca M, Santosuosso U, Zoppi M (2007) Low power radiofrequency electromagnetic radiation for the treatment of pain due to osteoarthritis of the knee. Reumatismo 59: 140-145. Intervention not appropriate 86. Kwon YD, Pittler MH, Ernst E (2006) Acupuncture for peripheral joint osteoarthritis: a systematic review and meta-analysis. Rheumatology (Oxford) 45: 1331-1337. Study design not suitable 87. Bokhari SZH, Zahid S (2006) The role of acupuncture in arthritis of the knee joint in addition to local steroid injection. Journal of Postgraduate Medical Institute 20: 3639. Intervention not appropriate 88. Scarpa R, Sarzi-Puttini P, Cimmino MA, Caporali R, Parazzini F, et al. (2005) Analysis of pharmacologic and nonpharmacologic prescription patterns of general practitioners and specialists in the AMICA study. Seminars in Arthritis and Rheumatism 35: 24-30. Study design not suitable 89. Lao L, Berman B (2005) [Evaluating the effects of acupuncture on knee osteoarthritis: a stepwise approach to research, University of Maryland experience]. Zhong Xi Yi Jie He Xue Bao 3: 421-425. Intervention not appropriate 90. Kang J, Li N, Wu B (2005) Therapeutic methods for knee osteoarthritis: Randomized controlled trial and systemic evaluation. Chinese Journal of Clinical Rehabilitation 9: 27-30. Intervention not appropriate 91. Di Domenica F, Sarzi-Puttini P, Cazzola M, Atzeni F, Cappadonia C, et al. (2005) Physical and rehabilitative approaches in osteoarthritis. Semin Arthritis Rheum 34: 6269. Study design not suitable 92. Tuzun EH, Aytar A, Eker L, Daskapan A (2004) Effectiveness of two different physical therapy programmes in the treatment of knee osteoarthritis. Pain Clinic 16: 379-387. Intervention not appropriate 93. Tukmachi E, Jubb R, Dempsey E, Jones P (2004) The effect of acupuncture on the symptoms of knee osteoarthritis--an open randomised controlled study. Acupunct Med 22: 14-22. Intervention not appropriate 94. Tam SF, Cheing GLY, Hui-Chan CWY (2004) Predicting osteoarthritic knee rehabilitation outcome by using a prediction model developed by data mining techniques. International Journal of Rehabilitation Research 27: 65-69. Study design not suitable 95. Rodriguez-Hernandez JL (2004) Osteomuscular and rheumatic pain. Revista de la Sociedad Espanola del Dolor 11: 94-102. Study design not suitable 96. Fitzgerald GK, Oatis C (2004) Role of physical therapy in management of knee osteoarthritis. Current Opinion in Rheumatology 16: 143-147. Study design not suitable 97. Cheing GLY, Hui-Chan CWY (2004) Would the addition of TENS to exercise training produce better physical performance outcomes in people with knee osteoarthritis than either intervention alone? Clinical Rehabilitation 18: 487-497. Intervention not appropriate 98. Walsh DM (2003) The evolution of TENS. Hong Kong Physiotherapy Journal 21: 1-4. Study design not suitable 99. Talbot LA, Gaines JM, Ling SM, Metter EJ (2003) A home-based protocol of electrical muscle stimulation for quadriceps muscle strength in older adults with osteoarthritis of the knee. J Rheumatol 30: 1571-1578. Study design not suitable 100. Sluka KA, Walsh D (2003) Transcutaneous electrical nerve stimulation: Basic science mechanisms and clinical effectiveness. Journal of Pain 4: 109-121. Study design not suitable 101. Sangdee C, Teekachunhatean S, Sananpanich K, Sugandhavesa N, Chiewchantanakit S, et al. (2002) Electroacupuncture versus diclofenac in symptomatic treatment of osteoarthritis of the knee: a randomized controlled trial. BMC Complement Altern Med 2: 3. Intervention not appropriate 102. Minkoff J, Harris GR, Susman JL (2002) Managing musculoskeletal complaints with rehabilitation therapy: Summary of the Philadelphia Panel evidence-based clinical practice guidelines on musculoskeletal rehabilitation interventions. Journal of Family Practice 51: 1042-1046. Study design not suitable 103. Tugwell P (2001) Philadelphia panel evidence-based clinical practice guidelines on selected rehabilitation interventions for knee pain. Physical Therapy 81: 1675-1700. Study design not suitable 104. Osiri M, Welch V, Brosseau L, Shea B, McGowan J, et al. (2000) Transcutaneous electrical nerve stimulation for knee osteoarthritis. Cochrane database of systematic reviews (Online): CD002823. Study design not suitable 105. Huang MH, Chen CH, Chen TW, Weng MC, Wang WT, et al. (2000) The effects of weight reduction on the rehabilitation of patients with knee osteoarthritis and obesity. Arthritis Care Res 13: 398-405. Intervention not appropriate 106. Brandt KD (1998) The importance of nonpharmacologic approaches in management of osteoarthritis. American Journal of Medicine 105: 39S-44S. Study design not suitable 107. Perrot S, Menkes CJ (1996) Nonpharmacological approaches to pain in osteoarthritis. Available options. Drugs 52: 21-26. Study design not suitable 108. Shafshak TS (1995) Electroacupuncture and exercise in body weight reduction and their application in rehabilitating patients with knee osteoarthritis. Am J Chin Med 23: 15-25. Intervention not appropriate 109. Aubin M, Marks R (1995) The efficacy of short-term treatment with transcutaneous electrical nerve stimulation for osteo-arthritic knee pain. Physiotherapy 81: 669-675. Study design not suitable 110. Puett DW, Griffin MR (1994) Published trials of nonmedicinal and noninvasive therapies for hip and knee osteoarthritis. Annals of Internal Medicine 121: 133-140. Intervention not appropriate 111. Nicholas JJ (1994) Physical modalities in rheumatological rehabilitation. Archives of Physical Medicine and Rehabilitation 75: 994-1001. Study design not suitable 112. Lewis B, Lewis D, Cumming G (1994) The comparative analgesic efficacy of transcutaneous electrical nerve stimulation and a non-steroidal anti-inflammatory drug for painful osteoarthritis. British Journal of Rheumatology 33: 455-460. Intervention not appropriate 113. Grimmer K (1992) A controlled double blind study comparing the effects of strong burst mode TENS and High Rate TENS on painful osteoarthritic knees. Australian Journal of Physiotherapy 38: 49-56. Intervention not appropriate 114. Fargas-Babjak AM, Pomeranz B, Rooney PJ (1992) Acupuncture-like stimulation with codetron for rehabilitation of patients with chronic pain syndrome and osteoarthritis. Acupunct Electrother Res 17: 95-105. Intervention not appropriate 115. Bobic B, Nedvidek B (1992) The effect of transcutaneous electric nerve stimulation on pain in knee arthroses. Medicinski pregled 45: 359-364. Study design not suitable 116. Jensen H, Zesler R, Christensen T (1991) Transcutaneous electrical nerve stimulation (TNS) for painful osteoarthrosis of the knee. International Journal of Rehabilitation Research 14: 356-358. Study design not suitable 117. Angulo DL, Colwell Jr CW (1990) Use of postoperative TENS and continuous passive motion following total knee replacement. Journal of Orthopaedic and Sports Physical Therapy 11: 599-604. Participants not relevant