• 1
    Laan RF, Buijs WC, Verbeek AL, Draad MP, Corstens FH, van de Putte LB, et al. Bone mineral density in patients with recent onset rheumatoid arthritis: influence of disease activity and functional capacity. Ann Rheum Dis 1993; 52: 216.
  • 2
    Gough AK, Lilley J, Eyre S, Holder RL, Emery P. Generalised bone loss in patients with early rheumatoid arthritis. Lancet 1994; 344: 237.
  • 3
    Saario R, Sonninen P, Mottonen T, Viikari J, Toivanen A. Bone mineral density of the lumbar spine in patients with advanced rheumatoid arthritis: influence of functional capacity and corticosteroid use. Scand J Rheumatol 1999; 28: 3637.
  • 4
    Haugeberg G, Orstavik RE, Uhlig T, Falch JA, Halse JI, Kvien TK. Bone loss in patients with rheumatoid arthritis: results from a population-based cohort of 366 patients followed up for two years. Arthritis Rheum 2002; 46: 17208.
  • 5
    Huusko TM, Korpela M, Karppi P, Avikainen V, Kautiainen H, Sulkava R. Threefold increased risk of hip fractures with rheumatoid arthritis in Central Finland. Ann Rheum Dis 2001; 60: 5212.
  • 6
    Ekdahl C, Broman G. Muscle strength, endurance, and aerobic capacity in rheumatoid arthritis: a comparative study with healthy subjects. Ann Rheum Dis 1992; 51: 3540.
  • 7
    Minor MA, Hewett JE, Webel RR, Dreisinger TE, Kay DR. Exercise tolerance and disease related measures in patients with rheumatoid arthritis and osteoarthritis. J Rheumatol 1988; 15: 90511.
  • 8
    Kelley GA. Exercise and regional bone mineral density in postmenopausal women: a meta-analytic review of randomized trials. Am J Phys Med Rehabil 1998; 77: 7687.
  • 9
    Kelley GA, Kelley KS, Tran ZV. Exercise and bone mineral density in men: a meta-analysis. J Appl Physiol 2000; 88: 17306.
  • 10
    Hoidrup S, Sorensen TI, Stroger U, Lauritzen JB, Schroll M, Gronbaek M. Leisure-time physical activity levels and changes in relation to risk of hip fracture in men and women. Am J Epidemiol 2001; 154: 608.
  • 11
    Häkkinen A, Sokka T, Kotaniemi A, Kautiainen H, Jappinen I, Laitinen L, et al. Dynamic strength training in patients with early rheumatoid arthritis increases muscle strength but not bone mineral density. J Rheumatol 1999; 26: 125763.
  • 12
    Häkkinen A, Sokka T, Kotaniemi A, Hannonen P. A randomized two-year study of the effects of dynamic strength training on muscle strength, disease activity, functional capacity, and bone mineral density in early rheumatoid arthritis. Arthritis Rheum 2001; 44: 51522.
  • 13
    Westby MD, Wade JP, Rangno KK, Berkowitz J. A randomized controlled trial to evaluate the effectiveness of an exercise program in women with rheumatoid arthritis taking low dose prednisone. J Rheumatol 2000; 27: 167480.
  • 14
    De Jong Z, Munneke M, Zwinderman AH, Kroon HM, Jansen A, Ronday KH, et al. Is a long-term high-intensity exercise program effective and safe in patients with rheumatoid arthritis? Results of a randomized controlled trial. Arthritis Rheum 2003; 48: 241524.
  • 15
    Arnett FC, Edworthy SM, Bloch DA, McShane DJ, Fries JF, Cooper NS, et al. The American Rheumatism Association 1987 revised criteria for the classification of rheumatoid arthritis. Arthritis Rheum 1988; 31: 31524.
  • 16
    Hochberg MC, Chang RW, Dwosh I, Lindsey S, Pincus T, Wolfe F. The American College of Rheumatology 1991 revised criteria for the classification of global functional status in rheumatoid arthritis. Arthritis Rheum 1992; 35: 498502.
  • 17
    Haugeberg G, Uhlig T, Falch JA, Halse JI, Kvien TK. Bone mineral density and frequency of osteoporosis in female patients with rheumatoid arthritis: results from 394 patients in the Oslo County rheumatoid arthritis register. Arthritis Rheum 2000; 43: 52230.
  • 18
    Pollock ML. Exercise in health and disease: evaluation and prescription for prevention and rehabilitation. 2nd ed. Philadelphia: WB Saunders Company; 1990.
  • 19
    Glass SC, Knowlton RG, Becque MD. Accuracy of RPE from graded exercise to establish exercise training intensity. Med Sci Sports Exerc 1992; 24: 13037.
  • 20
    Scott DL, van Riel PLCM, van der Heijde DM, Studnicka Benkem A. Assessing disease activity in rheumatoid arthritis. In: van RielPLCM, van GestelAM, ScottDL, editors. EULAR handbook of clinical assessments in rheumatoid arthritis. Alphen aan de Rijn (The Netherlands): van Zuiden Communications; 2000. p. 337.
  • 21
    Munneke M, de Jong Z. The role of exercise programs in the rehabilitation of patients with rheumatoid arthritis. Int Sport Med J 2001; 1: 112.
  • 22
    Van den Ende CHM, Hazes JMW, le Cessie S, Mulder WJ, Belfor DG, Breedveld FC, et al. Comparison of high and low intensity training in well controlled rheumatoid arthritis: results of a randomized clinical trial. Ann Rheum Dis 1996; 55: 798805.
  • 23
    Fries JF, Spitz P, Kraines RG, Holman HR. Measurement of patient outcome in arthritis. Arthritis Rheum 1980; 23: 13745.
  • 24
    Siegert CEH, Vleming LJ, VandenBroucke JP, Cats A. Measurement of disability in Dutch rheumatoid arthritis patients. Clin Rheumatol 1984; 3: 3059.
  • 25
    Scott DL, Houssien DA, Laasonen L. Proposed modification to Larsen's scoring methods for hand and wrist radiographs. Br J Rheumatol 1995; 34: 56.
  • 26
    Larsen A, Dale K, Eek M. Radiographic evaluation of rheumatoid arthritis and related conditions by standard reference films. Acta Radiol Diagn 1977; 18: 48191.
  • 27
    Eggelmeijer F, Papapoulos SE, Van Paassen HC, Dijkmans BA, Valkema R, Westedt ML, et al. Increased bone mass with pamidronate treatment in rheumatoid arthritis: results of a three-year randomized, double-blind trial. Arthritis Rheum 1996; 39: 396402.
  • 28
    Kanis JA, Melton LJ III, Christiansen C, Johnston CC, Khaltaev N. The diagnosis of osteoporosis. J Bone Miner Res 1994; 9: 113741.
  • 29
    Baudoin C, Fardellone P, Bean K, Ostertag-Ezembe A, Hervy F. Clinical outcomes and mortality after hip fracture: a 2-year follow-up study. Bone 1996; 18 Suppl: 149S57S.
  • 30
    Province MA, Hadley EC, Hornbrook MC, Lipsitz LA, Miller JP, Mulrow CD, et al. The effects of exercise on falls in elderly patients: a preplanned meta-analysis of the FICSIT Trials (Frailty and Injuries: Cooperative Studies of Intervention Techniques). JAMA 1995; 273: 13417.
  • 31
    Angelopoulou N, Matziari C, Tsimaras V, Sakadamis A, Souftas V, Mandroukas K. Bone mineral density and muscle strength in young men with mental retardation (with and without Down syndrome). Calcif Tissue Int 2000; 66: 17680.
  • 32
    Robinson RJ, Krzywicki T, Almond L, al Azzawi F, Abrams K, Iqbal SJ, et al. Effect of a low-impact exercise program on bone mineral density in Crohn's disease: a randomized controlled trial. Gastroenterology 1998; 115: 3641.
  • 33
    Braith RW, Edwards DG. Exercise following heart transplantation. Sports Med 2000; 30: 17192.
  • 34
    Kotaniemi A, Savolainen A, Kroger H, Kautiainen H, Isomaki H. Weight-bearing physical activity, calcium intake, systemic glucocorticoids, chronic inflammation, and body constitution as determinants of lumbar and femoral bone mineral in juvenile chronic arthritis. Scand J Rheumatol 1999; 28: 1926.
  • 35
    Madsen OR, Sorensen OH, Egsmose C. Bone quality and bone mass as assessed by quantitative ultrasound and dual energy x ray absorptiometry in women with rheumatoid arthritis: relationship with quadriceps strength. Ann Rheum Dis 2002; 61: 3259.
  • 36
    Madsen OR. Muscle strength and tissue composition in women as assessed by isokinetic dynamometry and dual energy X-ray absorptiometry: experimental and clinical investigations within the field of rheumatology. Dan Med Bull 2000; 47: 119.
  • 37
    Häkkinen A, Sokka T, Kotaniemi A, Paananen ML, Malkia E, Kautiainen H, et al. Muscle strength characteristics and central bone mineral density in women with recent onset rheumatoid arthritis compared with healthy controls. Scand J Rheumatol 1999; 28: 14551.
  • 38
    Warner S, Shaw J, Dalsky GP. Bone mineral density of competitive male mountain and road cyclists. Bone 2002; 30: 2816.
  • 39
    Friedlander AL, Genant HK, Sadowsky S, Byl NN, Gluer CC. A two-year program of aerobics and weight training enhances bone mineral density of young women. J Bone Miner Res 2003; 10: 57485.
  • 40
    American College of Sports Medicine Position Stand on Osteoporosis and Exercise. Med Sci Sports Exerc 1995; 27: 17.
  • 41
    Heinonen A, Sievanen H, Kyrolainen H, Perttunen J, Kannus P. Mineral mass, size, and estimated mechanical strength of triple jumpers' lower limb. Bone 2003; 29: 27985.
  • 42
    Heinonen A, Sievanen H, Kannus P, Oja P, Vuori I. Site-specific skeletal response to long-term weight training seems to be attributable to principal loading modality: a pQCT study on female weightlifters. Calcif Tissue Int 2002; 70: 46974.
  • 43
    Sinaki M, Itoi E, Wahner HW, Wollan P, Gelzcer R, Mullan BP, et al. Stronger back muscles reduce the incidence of vertebral fractures: a prospective 10 year follow-up of postmenopausal women. Bone 2003; 30: 83641.
  • 44
    Huuskonen J, Vaisanen SB, Kroger H, Jurvelin JS, Alhava E, Rauramaa R. Regular physical exercise and bone mineral density: a four-year controlled randomized trial in middle-aged men. The DNASCO study. Osteoporos Int 2001; 12: 34955.
  • 45
    Genant HK, Cooper C, Poor G, Reid I, Ehrlich G, Kanis J, et al. Interim report and recommendations of the World Health Organization Task-Force for Osteoporosis. Osteoporos Int 1999; 10: 25964.