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Is Sitting Time Related with Physical Fitness in Spanishelderly Population? The EXERNET Multicenter Study
L Sagarra-Romero1, G Vicente-Rodríguez, R Pedrero-Chamizo
1Dr. Alba Gómez-Cabello, Centro Universitario de la Defensa de Zaragoza, Carretera de Huesca s/n 50090. Zaragoza, Teléfono: 976739794,
The Journal of Nutrition, Health & Aging
|April 26, 2019
Summary
Older adults spending over 4 hours daily sitting experience lower physical fitness. This sedentary behavior increases the risk of reduced fitness levels in seniors.
Area of Science:
- Gerontology and Exercise Science
- Public Health and Lifestyle Research
Background:
- Older adults dedicate a significant portion of their day to sedentary activities.
- The impact of sedentary behavior on the physical fitness of the elderly population requires further investigation.
Purpose of the Study:
- To determine the association between sedentary behavior (SB), measured in hours per day of sitting, and physical fitness (PF) in older adults.
- To specifically analyze if sitting more than 4 hours per day is linked to a higher risk of diminished PF in seniors.
Main Methods:
- A multi-center study involving 3136 non-institutionalized elderly individuals (average age 72.2 years) from Spain.
- Physical fitness was evaluated using 8 tests from the EXERNET battery.
- Sedentary behavior was assessed via a validated questionnaire, with statistical analyses including ANOVA and binary logistic regression.
Main Results:
- Individuals sitting over 4 hours daily exhibited lower levels of balance, agility, walking speed, and aerobic endurance in both genders (p<0.001).
- Sedentary men showed reduced lower extremity strength (p<0.05), while sedentary women displayed decreased lower extremity flexibility (p<0.001).
- Sitting >4 hours/day was associated with increased odds of low strength, agility, flexibility, and aerobic endurance in men, and low balance, strength (upper/lower extremities), flexibility, agility, walking speed, and aerobic endurance in women (p<0.05).
Conclusions:
- Seniors who sit for more than 4 hours per day demonstrate lower physical fitness.
- Increased daily sitting time is significantly associated with a higher risk of poor physical fitness in the elderly population.
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