CLINICS

Clinics (Sao Paulo). 2017 November; 72(11): 661-666.
doi:10.6061/clinics/2017(11)03

Copyright © 2017 CLINICS

Assessment of the quality of life, muscle strength, and dynamic balance of elderly Kendo players

Dário Lucas Costa de Mendonça I II * , Angelica Castilho Alonso I II III , Júlia Maria D’Andrea Greve I , Luiz Eugênio Garcez-Leme I II

Laboratorio de Estudo do Movimento, Laboratório de Investigação Médica do Sistema Músculo-Esquelético LIM 41, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas (HCFMUSP), Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR

Grupo de Ortogeriatria, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas (HCFMUSP), Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR

Programa de Mestrado em Ciencias do Envelhecimento, Universidade Sao Judas Tadeu, Sao Paulo, SP, BR

*Corresponding author. E-mail: mendoncadlc@gmail.com

received February 13, 2017; revised April 28, 2017; accepted July 20, 2017.

Abstract

OBJECTIVE:

To compare Kendo players with active elderly adults in terms of quality of life, functional aspects (muscle strength, postural balance) and body composition.

METHODS:

This was a controlled cross-sectional study. Twenty elderly individuals were divided into two groups: the Kendo group, with an average age of 71.8 (5.4) years, and the Control group, with an average age of 73.1 (4.8) years. Quality of life was evaluated using a questionnaire (WHOQOL-bref and WHOQOL-old); body composition was evaluated with a bioimpedance scale (InBody230); hand-grip strength was assessed with a portable manual dynamometer (Jamar SH 5001); flexor and extensor muscle strength of the knees was evaluated with an isokinetic device (Biodex® System 3 model Biodex Multi Joint System, BIODEX); and dynamic balance was assessed using a force platform (Balance Master System, Neurocom International, Inc.,® Clackamas County, Oregon, USA).

RESULTS:

The groups were statistically homogeneous in terms of socio-demographic characterization, body composition, muscle strength, and dynamic balance, but the Control group was faster in the sit-to-stand test (p=0.03). The Kendo group had a statistically significantly better quality of life; in the WHOQOL-bref, these differences were present in the physical (p≤0.001) and environment (p=0.004) domains, and in the WHOQOL-old, these differences were present in social participation (p=0.001) and in past, present, and future activities (p=0.019).

CONCLUSION:

The results suggest that Kendo is a health-promoting activity that improves the quality of life, functional aspects (muscle strength and postural balance) and body composition of players.

Keywords: Aged, Martial Arts, Muscle Strength, Postural Balance, Quality of Life


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