Age-related changes in muscle strength and spinal kyphosis angles in an elderly Japanese population

Lumbar kyphosis and the decreased mobility of the lumbar spine increase the risk of falls and impair both the quality of life and the ability to perform activities of daily living. However, in the elderly Japanese population, little is known about the age-related changes and sex-related differences...

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Bibliographic Details
Published in:Clinical interventions in aging 2017-01, Vol.12, p.413-420
Main Authors: Kasukawa, Yuji, Miyakoshi, Naohisa, Hongo, Michio, Ishikawa, Yoshinori, Kudo, Daisuke, Suzuki, Masazumi, Mizutani, Takashi, Kimura, Ryouta, Ono, Yuichi, Shimada, Yoichi
Format: Article
Language:English
Subjects:
Activities of Daily Living
Age
Age Factors
Aged
Aged, 80 and over
Aging
Aging (Biology)
Aging - physiology
Asian Continental Ancestry Group
back extensor strength
Bone surgery
Complications and side effects
Development and progression
Female
gender
grip strength
Health aspects
Humans
Japan - epidemiology
Kyphosis
Kyphosis - epidemiology
Lumbar Vertebrae - physiology
Male
Middle Aged
Muscle strength
Muscle Strength - physiology
Older people
Original Research
Osteoporosis
Patients
Physiological aspects
Posture
Quality of Life
Range of Motion, Articular
Sex differences (Biology)
Sex Factors
spinal curvature
Strain gauges
Thoracic Vertebrae - physiology
Variance analysis
Women
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Summary:Lumbar kyphosis and the decreased mobility of the lumbar spine increase the risk of falls and impair both the quality of life and the ability to perform activities of daily living. However, in the elderly Japanese population, little is known about the age-related changes and sex-related differences in muscle strength, including of the upper and lower extremities and back extensors. An adequate kyphotic or lordotic angle has also not been determined. In this study, we evaluated the age-related changes in muscle strength and spinal kyphosis in 252 males and 320 females ≥50 years of age. Grip, back extensor, hip flexor, and knee extensor strength; thoracic and lumbar kyphosis; and spinal inclination in the neutral standing position were assessed, together with the range of motion of the thoracic and lumbar spine and spinal inclination. Grip strength, back extensor strength, and the strength of the hip flexors and knee extensors decreased significantly with aging, both in males (
ISSN:1178-1998
1176-9092
1178-1998
DOI:10.2147/cia.s113352