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. 2021;44(1):E9-E17.
doi: 10.1519/JPT.0000000000000234.

One-Year Change in the Physical Functioning of Older People According to the International Classification of Functioning Domains

Turhan Kahraman  1 , Fatma Kübra Çekok  2 , Birön Onur Üğüt  1   2 , Pembe Keskinoğlu  3 , Arzu Genç  4
Affiliations

One-Year Change in the Physical Functioning of Older People According to the International Classification of Functioning Domains

Turhan Kahraman et al. J Geriatr Phys Ther. 2021.

Abstract

Background and purpose: It is important to determine physical functioning declines in older people according to the International Classification of Functioning, Disability and Health (ICF) framework, given its advantages. This study was performed to investigate 1-year changes in the physical functioning of older people using the ICF framework.

Methods: Eighty older people were enrolled and completed baseline measures in this longitudinal, single-group study while 33 of these participants were reassessed at 1 year. Reliable and valid methods commonly used in geriatric rehabilitation settings for determining physical functioning were applied to evaluate ICF domains including Body Functions, Activities (capacity), and Activities and Participation (performance). Body Functions were assessed by measuring lower extremity muscle strength and exercise tolerance test performance. The Activities (capacity) measures included walking, balance, mobility, sit-to-stand, and upper extremity functional performance. The Activities and Participation (performance) domain included the Falls Efficacy Scale-International, Modified Barthel Index, and Rapid Assessment of Physical Activity scale.

Results: There were significant decreases in muscle strength in both hip abductors and knee extensors (P < .001, d > 0.80) at 1 year versus baseline, but there were no significant changes in exercise tolerance test parameters (P > .05, d = 0.44-0.71), with the exception of diastolic blood pressure (P = .019, d = 0.90). Significant deterioration was observed in all Activities (capacity) measures (P < .05, d > 0.80). No significant changes were observed in the Falls Efficacy Scale-International (P = .051, d = 0.72), Modified Barthel Index (P = .107, d = 0.59), or Rapid Assessment of Physical Activity-Flexibility and Strength subscale (P = .763, d = 0.11).

Conclusions: Significant declines were seen in lower extremity muscle strength, walking capacity, speed, mobility, sit-to-stand performance, upper extremity function, and balance performance at 1 year. On the contrary, no significant changes were observed in the levels of participation in activities of daily living, activities related to balance, or physical activity. According to the ICF framework, during 1 year, our sample of older people showed declines in the Body Functions and Activities (capacity) domains, but the Activities and Participation (performance) domain remained stable.

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Conflict of interest statement

The authors declare that they have no conflict of interest.

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