TITLE:
Possibilities of Assessing Respiratory Muscle Strength and Trunk Muscle Mass in the Prevention of Sarcopenia in Older People Living in the Community
AUTHORS:
Yutaro Hyodo, Takumi Jiroumaru, Kenji Mori, Tomoka Hattori, Yasumasa Oka, Minoru Kuroda, Takamitsu Fujikawa
KEYWORDS:
Respiratory Strength, PIMAX, PEMAX, Trunk Muscle Mass, Skeletal Muscle Mass
JOURNAL NAME:
Open Journal of Therapy and Rehabilitation,
Vol.11 No.3,
August
3,
2023
ABSTRACT: Objective: The
purpose of this study was to clarify the relationship between respiratory
muscle strength and skeletal muscle mass (trunk, upper limbs, and lower limbs)
in older people who were certified as requiring nursing or supportive care. Methods: Thirty-five older people (65 years or older) who were certified as
requiring nursing care or support were included in the study. The subjects were
divided into a non-sarcopenic group (n = 12) and a sarcopenic group (n = 23)
according to the sarcopenia diagnostic criteria proposed by the Asian Working
Group for Sarcopenia. Maximum inspiratory pressure, maximum expiratory
pressure, skeletal muscle mass (trunk, upper and lower limbs), and hand grip
strength were measured. Pearson’s correlation coefficient and multiple regression
analysis were used for statistical processing. Results: In the
non-sarcopenic group, both expiratory muscle strength and hand grip strength
were correlated with skeletal muscle mass. In the sarcopenia group, expiratory
muscle strength was not correlated with skeletal muscle mass, and only hand
grip strength was correlated with upper limb muscle mass. Multiple regression
analysis revealed that, in the non-sarcopenic group, trunk muscle mass was the
primary factor in expiratory muscle strength and upper limb muscle mass was the
primary factor in hand grip strength. In the sarcopenia group, upper limb
muscle mass was found to be the main factor in hand grip strength. Conclusion: Our
results highlight the importance of assessing expiratory muscle strength and
trunk muscle mass before sarcopenia develops in older people who require
support and nursing care.