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The effects of physical therapists' guidance on improvement in a strength-training program for the frail elderly

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Author: Boshuizen, H.C. · Stemmerik, L. · Westhoff, M.H. · Hopman-Rock, M.
Type:article
Date:2005
Institution: TNO Kwaliteit van Leven
Source:Journal of Aging and Physical Activity, 1, 13, 5-22
Identifier: 238299
Keywords: Health · Leefomgeving en gezondheid · Activities of daily living · Aging · Exercise therapy · Gait · Muscle physiology · Muscular-atrophy pathology · Walking · Weight lifting · aged · aging · body position · clinical trial · conference paper · controlled clinical trial · controlled study · daily life activity · female · functional assessment · health program · home care · human · joint mobility · kinesiotherapy · knee · major clinical study · male · muscle exercise · muscle strength · physiotherapist · practice guideline · statistical analysis · torque · training · walking speed · Aged · Aged, 80 and over · Exercise Therapy · Female · Frail Elderly · Humans · Isometric Contraction · Knee · Leg · Male · Muscle, Skeletal · Musculoskeletal Equilibrium · Patient Compliance · Program Evaluation · Walking · Weight Lifting · Healthy for Life · Healthy Living

Abstract

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 medium-guidance group (MG; one supervised group session and two unsupervised home sessions per week, n = 16), or a control group (C; no exercise, n = 16). Maximal isometric knee strength increased more in HG than in C (p = .03) and with increasing guidance (p = .03). The effect was mainly the result of participants with low initial strength. Walking speed increased more for HG than for C (p = .02) and than for MG (p = .06). No statistically significant improvements were seen on other functional tests. In summary, the study shows a trend toward better results with more supervision, but more and larger studies are needed to confirm this.