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Relationship between Functional Fitness and Break Response in Elderly Drivers: Comparison with Young Driver
J Kor Phys Ther 2018;30(5):187-192
Published online October 31, 2018;
© 2018 The Korea Society of Physical Therapy.

Ga Eun Kim1, Ye Eun Choi1, Su Seong Yang2, Sun A Kim2, Young Sook Bae1

1Department of Physical Therapy, College of Health Science, Gachon University; 2Department of Biomedical Engineering, College of Health Science, Gachon University, Incheon, Korea
Young Sook Bae
Received September 17, 2018; Revised October 23, 2018; Accepted October 25, 2018.
This is an Open Access article distribute under the terms of the Creative Commons Attribution Non-commercial License (Http:// which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Purpose: This study compared the functional fitness and brake response of elderly and young drivers to confirm the correlation between the functional fitness and brake response.
Methods: This study was a cross sectional observational design. Older drivers (>65age, n=21) and young adult drivers (20-40aged, n=20) were enrolled as subjects. The functional fitness of the subjects was measured using a senior fitness test consisting of a back scratch (BS), chair sit and reach (CSR), arm curl (AC), chair stand up (CSU), foot up and go (8-FUG), and 2-minute step (2-MS). The brake response used the virtual driving simulator to measure the brake reaction time (BRT) and braking distance (BD) according to the pedestrian protection and traffic signal compliance.
Results: The older drivers had a lower BS (p<0.000), CSU (p=0.040), and 8-FUG (p=0.011) than the young adult drivers. BS and 8-FUG showed a significant positive correlation with the BRT and BD of pedestrian protection and traffic signal compliance. CSU showed a significant negative correlation with the BRT of pedestrian protection and traffic signal compliance.
Conclusion: These findings suggest that the flexibility of the upper extremity, lower extremity strength, and agility are strongly correlated with the driving performance of elderly drivers.
Keywords : Break reaction, Drive, Elderly, Functional fitness

October 2018, 30 (5)
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Funding Information
  • Ministry of Education(Ministry of Education of the Republic of Korea)