Marja H. Westhoff

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OBJECTIVE Evaluation of a self-management program for patients with osteoarthritis (OA) of the hip or knee. The program, which consisted of 6 weekly sessions of 2 hours, included health education by a peer and physical exercises taught by a physical therapist. METHODS Randomized controlled trial. Inclusion criteria were diagnosis of OA of the hip or knee(More)
Elderly participants experiencing difficulty in chair rising and with a maximum knee-extensor torque below 87.5 N . m were randomized to different versions of a strength-training program for the knee-extensors: to a high-guidance group (HG; two group sessions supervised by a physical therapist and one unsupervised home session per week, n = 17), a(More)
In order to promote health in people of 65 years and older, TNO Prevention and Health developed, evaluated, and implemented "Healthy & Vital" (also known as "Ageing Well and Healthily"). Healthy & Vital consists of six sessions of health education and low-intensity exercises. This paper reports on the theoretical basis of the intervention, the methods and(More)
OBJECTIVES Older immigrants from non-industrialised countries are a growing group, they have comparatively many health problems and are often hard to reach through health promotion and other preventive services. The aim of this study was to assess the effect of a short health education and physical exercise programme on the health and the physical activity(More)
The mechanical performance, repeatability and comfort of the Quadrisotester, which assesses isometric knee extensor muscle strength, were examined. Twenty healthy subjects and 20 patients treated for unilateral anteriorligamenta cruciata insufficiency were tested. Intra-rater repeatability was determined by the testing and retesting of subjects and(More)
When GnRH is radioiodinated by the chloramine-T method, two immunoreactive labeled species are formed at pH 6.5 with a chloramine-T: GnRH molar ratio of 11:1, whereas four bands (I, IIa, IIb, and III) are separated by polyacrylamide gel electrophoresis when the hormone is iodinated at pH 7.5 in a system containing a 97:1 molar ratio of chloramine-T:GnRH.(More)
The amounts of 27 amino acids and other ninhydrin-reacting substances were determined by ion-exchange chromatography in the urine of patients with psoriasis, eating diets containing 54 and 104 Gm. of protein from the same source. Regardless of level of protein intake, asparagine plus glutamine, histidine, glycine, and taurine or lysine contents of urine(More)