American College of Sports Medicine. (1998) Exercise and physical activity for older adults. Medicine and Science in Sports and Exercise 330, 992-1008.

American Geriatrics Society Panel on Exercise and Osteoarthritis. (2001) Exercise prescription for older adults with osteoarthritis pain: consensus practice recommendations. Journal of the American Geriatrics Society 449, 808-823.

Baker, K.R., Nelson, M.E., Felson, D.T., Layne, J.E., Sarno, R. and Roubenoff, R. (2001) The efficacy of home based progressive strength training in older adults with knee osteoarthritis: a randomized controlled trial. Journal of Rheumatology 228, 1655-1665.

Brattberg, G., Parker, M.G. and Thorslund, M. (1997) A longitudinal study of pain: reported pain from middle age to old age. Clinical Journal of Pain 113, 144-149.

Bravo, G., Gauthier, P., Roy, P., Payette, H., Gaulin, P., Harvey, M., Peloquin, L. and Dubois, M. (1996) Impact of a 12-month exercise program on the physical and psychological health of osteopenic women. Journal of the American Geriatric Society 444, 756-762.

Bruce, B., Fries, J.F., and Lubeck, D.P. (2005). Aerobic exercise and its impact on musculoskeletal pain in older adults: a 14 year prospective, longitudinal study. Arthritis Research and Therapy, 7, 1263-1270.

Brzycki, M. (1993) Strength testing - predicting a one-rep max from reps-to fatigue. Journal of Health, Physical Education, Recreation, and Dance 664, 88-90.

Chapman, C. R., Casey, K. L., Dubner, R., Foley, K. M., Gracely, R. H. and Reading, A. E. (1985) Pain measurement: an overview. Pain 222, 1-31.

Chok, B., Lee, R., Latimer, J., and Tam, S.B. (1999) Endurance training of the trunk extensor muscles in people with sub acute low back pain. Physical Therapy 779, 1032-1042.

Cohen, J. (1988). Statistical power analysis for the behavioral sciences. 2nd edition. Hillsdale, NJ: Lawrence Earlbaum Associates.

Crook, J., Rideout, E. and Browne, G. (1984) The prevalence of pain complaints in a general population. Pain 118, 299-314.

Escalante, A., Lichtenstein, M.J., White, K., Rios, N. and Hazuda, H.P. (1995) A method for scoring the pain map of the McGill pain questionnaire for use in epidemiologic studies. Aging: Clinical and Experimental Research 77, 358-366.

Ferrell, B.A., Josephson, K.R., Pollan, A.M., Loy, S. and Ferrell, B.R. (1997) A randomized trial of walking versus physical methods for chronic pain management. Aging 99, 99-105.

Focht, B.C. (2006) Effectiveness of exercise interventions in reducing pain symptoms among older adults with knee osteoarthritis: a review. Journal of Aging and Physical Activity 114, 212-235.

Helme, R.D. and Gibson, S.J. (2001) The epidemiology of pain in elderly people. Clinics in Geriatric Medicine 117, 417-431.

Herr, K.A. and Garand, L. (2001) Assessment and measurement of pain in older adults. Clinics in Geriatric Medicine 117, 457-478.

Holroyd, K.A., Talbot, F., Holm, J.E., Pingel, J.D., Lake, A.E. and Saper, J.R. (1996) Assessing the dimensions of pain: a multitrait-multimethod evaluation of seven measures. Pain 667, 259-265.

Hurley, B.F. and Roth, S.M. (2000) Strength training in the elderly. Sports Medicine 330, 249-268.

Hughes, S.L., Seymour, R.B., Campbell, R., Pollack, N., Huber, G. and Sharma, L. (2004) Impact of the fit and strong intervention on older adults with osteoarthritis. The Gerontologist 444, 217-228.

Johannsen, F., Remvig, L., Kryger, P., Beck, P., Warming, S., Lybeck, K., Dreyer, V. and Larsen, L.H. (1995) Exercises for chronic low back pain: a clinical trial. Journal of Orthopedic and Sports Physical Therapy 222, 52-59.

Kemp, C.A., Ersek, M., and Turner, J. (2005) A descriptive study of older adults with persistent pain: Use and perceived effectiveness of pain management strategies. BMC Geriatrics, 5, 5-12.

Kim, H.S., Schwartz-Barcott, D., Holter, I.M. and Lorensen, M. (1995) Developing a translation of the McGill pain questionnaire for cross-cultural comparison: an example from Norway. Journal of Advanced Nursing 221, 421-426.

Knutzen, K.M., Brilla, L.R. and Caine, D. (1999) Validity of 1RM prediction equations for older adults. Journal of Strength and Conditioning Research 113, 242-246.

Kovar, P.A., Allegrante, J.P., MacKenzie, C.R., Peterson, B.G., Gutin, B. and Charlson, M.E. (1992) Supervised fitness walking in patients with osteoarthritis of the knee. Annals of Internal Medicine 1116, 529-534.

Love, A., Loeboeuf, D.C. and Crisp, T.C. (1989) Chiropractic chronic low back pain sufferers and self-report assessment methods. Part 1. A reliability study of the Visual Analogue Scale, the pain drawing and the McGill Pain Questionnaire. Journal of Manipulative and Physiological Therapeutics 112, 21-25.

Malmros, B., Mortensen, L., Jensen, M.B. and Charles, P. (1998) Positive effects of physiotherapy on chronic pain and performance in osteoporosis. Osteoporosis International 88, 215-221.

Mannion, A.F., Muntener, M., Taimela, S. and Dvorak, J. (1999) A randomized clinical trial of three active therapies for chronic low back pain. Spine 224, 2435-2448.

Marcus, D.A. (2000) Treatment of nonmalignant chronic pain. American Family Physician 661, 1331-1338.

McCarberg, B.H. and Herr, K.A. (2001) Osteoarthritis: how to manage pain and improve patient function. Geriatrics 556, 14-24.

Melzack, R. (1975) The McGill Pain Questionnaire: major properties and scoring methods. Pain 11, 277-299.

Melzack, R. (1983) The McGill Pain Questionnaire. In Pain Measurement and Assessment. Ed: Melzack, R. New York: Raven Press. 41-47.

Mobily, P.R., Herr, K.A., Clark, M.K., and Wallace, R.B. (1994). An epidemiologic analysis of pain in the elderly. Journal of Aging and Health 6, 139-154.

O'Reilly, S.C., Muir, K.R. and Doherty, M. (1999) Effectiveness of home exercise on pain and disability from osteoarthritis of the knee: a randomised controlled trial. Annals of the Rheumatic Diseases 558, 15-19.

Rall, L.C., Meydani, S.N., Kehayias, J.J., Dawson-Hughes, B. and Roubenoff, R. (1996) The effect of progressive resistance training in rheumatoid arthritis: Increased strength without changes in energy balance or body composition. Arthritis and Rheumatism 39, 415-426.

Roche, R.J. and Forman, W.B. (1994) Pain management for the geriatric patient. Clinics in Podiatric Medicine and Surgery 111, 41-53.

Rogind, H., Bibow-Nielsen, B., Jensen, B., Moller, H.C., Frimodt-Moller, H. and Bliddal, H. (1998) The effects of a physical training program on patients with osteoarthritis of the knees. Archives of Physical Medicine and Rehabilitation 779, 1421-1427.

Rucker, K.S., Metzler, H.M. and Kregel, J.K. (1996) Standardization of chronic pain assessment: a multiperspective approach. Clinical Journal of Pain 112, 94-110.

Von Korff, M., Dworkin, S.F., Le Resche, L. and Kruger, A. (1988) An epidemiologic comparison of pain complaints. Pain 332, 173-183.

Vuori, I. (2001) Dose-response of physical activity and low back pain, osteoarthritis, and osteoporosis. Medicine and Science in Sports and Exercise 333(Suppl.), S551-S586.

Wilder, F.V., Barrett, J.P. and Farina, E.J. (2006) Exercise and osteoarthritis: are we stopping too early? Findings from the Clearwater Exercise Study. Journal of Aging and Physical Activity 114, 169-180.

Wilkie, D.J., Savedra, M.C., Holzemer, W.L., Tesler, M.D. and Paul, S.M. (1990) Use of the McGill Pain Questionnaire to measure pain: a meta-analysis. Nursing Research 339, 36-41.

Woolf, A.D. and Pfleger, B. (2003) Burden of major musculoskeletal conditions. Bulletin of the World Health Organization 881, 646-656.