References
- Kocur P and Wilk M. Nordic Walking – a new form of exercise in rehabilitation. Med Rehab 2006;10:1–8
- Hartvigsen J, Morso L, Bendix T, Manniche C. Supervised and non-supervised Nordic walking in the treatment of chronic low back pain: a single blind randomised clinical trial. BMC Musculoskelet Disord 2010;11:30
- Breyer M, Breyer-Kohansal R, Funk GC, et al. Nordic Walking improves daily physical activities in COPD: a randomised controlled trial. Respir Res 2010;11:112–20
- Parkatti T, Perttunen J, Wacker P. Improvements in functional capacity from Nordic walking: a randomized controlled trial among older adults. J Aging Phys Act 2012;20:93–105
- Song MS, Yoo YK, Choi CH, Kim NC. Effects of Nordic walking on body composition, muscle strength, and lipid profile in elderly women. Asian Nurs Res 2013;7:1–7
- Reuter I, Mehnert S, Leone P, et al. Effects of a flexibility and relaxation programme, walking, and Nordic walking on Parkinson's disease. J Aging Res 2011;2011:1–18
- Murcia J, López de San Román M, Galindo C, et al. Peers' influence on exercise enjoyment: a self-determination theory approach. J Sports Sci Med 2008;7;23–31
- Eyler A, Brownson R, Donatelle R, et al. Physical activity social support and middle and older-aged minority women: results from a US survey. Soc Sci Med 1991;49:781–9
- Mannerkorpi K, Nordeman L, Cider A, Jonsson G. Does moderate-to-high intensity Nordic walking improve functional capacity and pain in fibromyalgia? A prospective randomised controlled trial. Arthritis Res Ther 2010;12:R189
- Carr AJ, Higginson IJ. Are quality of life measures patient centred? Br Med J 2003;322:1357–60
- Kitzinger J. The methodology of focus groups: the importance of interaction between research participants. Sociol Health Illness 1994;16:103–21
- Powell RA, Single HM. Focus Groups. Int J Qual Health Care 1998;8:499–504
- Barriball KL, While A. Collecting data using a semi-structured interview: a discussion paper. J Adv Nurs 1994;19:328–35
- Van Teijlingen E, Hundley V. The importance of pilot studies. Soc Res Update 2001;35:1–7
- Braun V, Clarke V. Using thematic analysis in psychology. Qual Res Psych 2006;3:77–101
- Tong A, Sainsbury P, Craig J. Consolidated criteria for reporting qualitative research (COREQ): a 32-item checklist for interviews and focus groups. Int J Qual Health Care 2007;19:349–57
- Krueger RA. Analysing and reporting focus group results. London: SAGE Publications; 1998
- Eurenius E, Biguet G, Stenstrom CH. Attitudes toward physical activity among people with rheumatoid arthritis. Physiother Theory Pract 2003;19:53–62
- Damush TM, Perkins SM, Mikesky AE, et al. Motivational factors influencing older adults diagnosed with knee osteoarthritis to join and maintain an exercise program. J Aging Phys Act 2005;13:45–60
- Wilcox S, Der Ananian C, Abbott J, et al. Perceived exercise barriers, enablers, and benefits among exercising and nonexercising adults with arthritis: results from a qualitative study. Arthrit Care Res 2006;55:616–27
- Combe B, Landewe R, Lukas C, et al. EULAR recommendations for the management of early arthritis: a report of a task force of the European Standing Committee for International Clinical Studies Including Therapeutic (ESCISIT). Ann Rheum Dis 2007;66:34–45
- Hansson EE, Jonsson-Lundgren M, Ronnheden AM, et al. Effect of an education programme for patients with osteoarthritis in primary care – a randomised controlled trial. BMC Musculoskelet Disord 2010;11:244
- Der Ananian C, Wilcox S, Saunders R, et al. Factors that influence exercise among adults with arthritis in three levels of activity. Prev Chronic Dis 2006;3:A81
- Breedland I, Van Scheppingen C, Leijsma M, et al. Effects of a group-based exercise and educational program on physical performance and disease self-management in rheumatoid arthritis: a randomised controlled study. Phys Ther 2011;91:879–93
- Hutton I, Gamble G, McLean G, et al. What is associated with being active in arthritis? Analysis from the obstacles to action study. Intern Med J 2010;40:512–20
- Reinseth L, Uhlig T, Kjeken I, et al. Performance in leisure-time physical activities and self-efficacy in females with rheumatoid arthritis. Scand J Occup Ther 2011;18:210–18
- Azjen I. The theory of planned behaviour. Organ Behav Human Decision Process 1991;50:179–211
- Deci E, Ryan R. Handbook of self-determination research. Rochester (NY): University of Rochester press; 2002
- Dias RC, Dias JMD, Ramos LR. Impact of an exercise and walking protocol on quality of life for elderly people with OA of the knee. Physiother Res Int 2003;8:121–30
- Talbot LA, Gaines JM, Huynh TN, Metter EJ. A home-based pedometer-driven walking program to increase physical activity in older adults with osteoarthritis of the knee: a preliminary study. J Am Geriatr Soc 2003;51:387–92