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Effects of a Treadmill Walking Program on Muscle Strength and Balance in Elderly People With Down Syndrome

^a Department of Physical Therapy, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
^b Neve Natoa Residential Center, Hadera, Israel
^c Department of Anatomy and Cell Biology, Bruce Rappaport Faculty of Medicine, Technion–Israel Institute of Technology, Haifa
^d Zinman College of Physical Education and Sport Sciences, Wingate Institute, Netanya, Israel

Correspondence: Eli Carmeli, Department of Physical Therapy, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv 69978, Israel E-mail: [email protected].

Background. Longer life expectancy is resulting in increasing numbers of elderly adults with mental retardation. In elderly adults with Down syndrome (DS), the maintenance of muscle strength, endurance, and dynamic balance are important to ensure quality of life and functional independence. The objective of this study was to compare isokinetic leg strength and dynamic balance of aged mentally retarded individuals with DS (n = 16, mean age 63) before and after a treadmill walking program lasting 6 months in comparison with a nonwalking control group (n = 10) with similar physical characteristics.

Methods. Participants in the study undertook leg strength testing on a dynamometer. Parameters measured included peak torque, peak torque % body weight, and average power % body weight. A "timed get-up and go" functional test for dynamic balance was also analyzed and compared prior to and after the treadmill program.

Results. Knee extension and flexion isokinetic strength in elderly individuals with DS showed significant improvement after 6 months of treadmill training. Dynamic balance performance was also significantly improved (p < .05).

Conclusions. Aged adults with DS can significantly improve muscle strength and balance by adopting suitable programs of treadmill walking.

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