Wetenschappelijk onderzoek

- Greef, M.H.G de, Rispens, P., Stevens, M., Bult, P., Lemmink, K.A.P.M., Kroes, G.H., A strategy to stimulate sportsparticipation in sedentary seniors in the Netherlands: the Groningen Active Living Model (GALM), Proceedings International Congress "Healthy Aging, Activity and Sports" (PAAS IV), Gamburg, 1997, 254-263.
- Stevens M, Bult P, Greef de MHG, Lemmink KAPM, Rispens P. Groningen Active Living Model (GALM): Stimulating physical activity in sedentary older adults. Preventive medicine 1999; 29: 267-76.
- Stevens M, Moget P, Greef de MHG, Lemmink KAPM, Rispens P. The Groningen enjoyment Questionnaire (GEQ): A Questionnaire to measure enjoyment in leisure-time physical activity. Perceptual Motor Skills, 2000, 90, 601-604.
- Stevens M, Bakker-van Dijk A, Greef de MHG, Lemmink KAPM, Rispens P. The Dutch version of the social support for exercise behaviors scale. Perceptual Motor Skills, 2000, 90, 771-774.
- Martin Stevens, Anita Bakker-van Dijk , Mathieu H.G. de Greef, Koen A.P.M. Lemmink, and Piet Rispens, A Dutch Translation of a Questionnaire Assessing Self-Efficacy in Leisure-Time Physical Activity, Journal of Aging and Physical Activity, 2001, 9, 223-232.
- Koen A.P.Lemmink, Han Kemper, Mathieu H.G. de Greef, and Piet Rispens P, Stevens M, Reliability of the Groningen Fitness Test for the Elderly, Journal of Aging and Physical Activity, 2001, 9, 194-212
- Lemmink Koen APM, Kemper Han CG, de Greef Mathieu HG, Rispens Piet, Stevens Martin. Validity of the sit-and-reachtest and the Modified Sit-and-Reach Test in Middle-Aged Men and Women. Research Quarterly for exercise and Sports, 2003, 74 (3):331-336.
- Lemmink Koen APM, Kemper Han CG, de Greef Mathieu HG, Rispens Piet, Stevens Martin. Validity of the Circumduction test in Elderly Men and Women. Journal of Aging and Physical Activity, 2003, 11, 452-463.
- J. de Jong, K. Leibrand, M. Stevens, M. de Greef, K. Lemmink. Effecten van het GALM bewegingsprogramma op de mate van lichamelijke activiteit en andere leefstijlkenmerken, fitheid, ervaren gezondheid en dagelijks functioneren van sedentaire senioren. Eindrapportage ZonMw. Centrum voor Bewegingswetenschappen Rijksuniversiteit Groningen, Groningen 2004. Onderzoeksproject Preventie 9607.081.2.
- Johan de Jong, Martin Stevens, Koen A.P.M. Lemmink, Mathieu H.G. de Greef, Piet Rispens, Theo Mulder, Background and Intensity of the GALM Physical activity program. Journal of Physical Activity and Health 2005; 2:51-62
- Johan de Jong, Martin Stevens, Koen A. P. M. Lemmink, Mathieu H. G. de Greef, Piet Rispens, Theo Mulder. Six-month effects of the Groningen Active Living Model (GALM) on physical activity, health and fitness outcomes in sedentary and under active older adults aged 55-65.  Patient Education and Counseling 2006; 62(1): 132-141.
- De Greef M, Middel B, Popkema D. Kroes G. Physical fitness in sedentary older adults participating in a health enhancing physical activity project in the Netherlands. In Bergland A, Langhammer B (eds), "Adapted Physical Activity and Ageing: An interdisciplinary European Challenge". Oslo University College HiO-report 19; 2006:1-17