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Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
Published on: July 5, 2017
Does progressive resistance strength training as additional training have any measured effect on functional outcomes
Sigrid Tibaek1, Christina W Andersen, Sigrid F Pedersen
11Department of Physiotherapy and Occupational Therapy, Copenhagen University Hospital Glostrup, Glostrup, Denmark.
Objective:
To evaluate the effect of progressive resistance strength training as additional training measured on functional outcomes in older hospitalized patients.
Design:
A single-blinded randomized controlled trial.
Setting:
Department of Geriatric Rehabilitation in university hospital.
Participants:
A sample of 71 patients were successively included and randomized either to the treatment group (TG) (n = 36) or the control group (CG) (n = 35). Fifteen participants dropped out (TG n = 7; CG n = 8), leaving 56 participants with a mean age of 79 (SD 7).
Intervention:
Participants in the treatment group were treated in groups with progressive resistance strength training in addition to standard care. Progressive resistance strength training of the lower extremities was performed in three sets of 12-15 repetitions, intensity 60-70% of one repetition maximum, in four 50-minute sessions per week.
Main Measures:
The effect was evaluated by timed up & go test, 30-second chair-stand test, 10-m walk test, three tasks (transfer, walking, stairs) of the Barthel Index, and use of walking aids.
Results:
Significant improvements in the 10-m walk test (P < 0.01) and Barthel Index (walking) (P = 0.01) were demonstrated within the treatment group but not in the control group. Both groups had significant improvements in timed up & go, 30-second chair-stand (modified) and Barthel Index (transfer and walking). No significant difference was found between groups except for the Barthel Index (stairs) (P = 0.05). Analysis by the mixed-effects model showed that the treatment group improved more than the control group in all outcome variables.
Conclusion:
The results indicate that for older hospitalized patients progressive resistance strength training as additional training may have an effect compared to standard care, but no statistically significant effects were demonstrated when measured by functional outcomes.
