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Karami, Honeyeh, Karami, Khodabakhsh, Khafaie, Morteza Abdullatif, Zahednejad, Shahla, Arastoo, Ali Asghar. (1398). The Physiological Cost Index and Some Kinematic Parameters of Walking and Jogging in Blind and Sighted Students. سامانه مدیریت نشریات علمی, 45(1), 16-22. doi: 10.30476/ijms.2019.45386
Honeyeh Karami; Khodabakhsh Karami; Morteza Abdullatif Khafaie; Shahla Zahednejad; Ali Asghar Arastoo. "The Physiological Cost Index and Some Kinematic Parameters of Walking and Jogging in Blind and Sighted Students". سامانه مدیریت نشریات علمی, 45, 1, 1398, 16-22. doi: 10.30476/ijms.2019.45386
Karami, Honeyeh, Karami, Khodabakhsh, Khafaie, Morteza Abdullatif, Zahednejad, Shahla, Arastoo, Ali Asghar. (1398). 'The Physiological Cost Index and Some Kinematic Parameters of Walking and Jogging in Blind and Sighted Students', سامانه مدیریت نشریات علمی, 45(1), pp. 16-22. doi: 10.30476/ijms.2019.45386
Karami, Honeyeh, Karami, Khodabakhsh, Khafaie, Morteza Abdullatif, Zahednejad, Shahla, Arastoo, Ali Asghar. The Physiological Cost Index and Some Kinematic Parameters of Walking and Jogging in Blind and Sighted Students. سامانه مدیریت نشریات علمی, 1398; 45(1): 16-22. doi: 10.30476/ijms.2019.45386

The Physiological Cost Index and Some Kinematic Parameters of Walking and Jogging in Blind and Sighted Students

Iranian Journal of Medical Sciences
مقاله 3، دوره 45، شماره 1، فروردین 2020، صفحه 16-22    اصل مقاله (340.56 K)
نوع مقاله: Original Article(s)
شناسه دیجیتال (DOI): 10.30476/ijms.2019.45386
نویسندگان
Honeyeh Karami1؛ Khodabakhsh Karami2؛ Morteza Abdullatif Khafaie2؛ Shahla Zahednejad3؛ Ali Asghar Arastoo* 4
1Department of Sport Injuries and Corrective Exercises, Faculty of Physical Education and Sport Sciences, Karaj Azad University, Karaj, Iran
2Social Determinants of Health Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
3Musculoskeletal Rehabilitation Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
4Social Determinants of Health Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Musculoskeletal Rehabilitation Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
چکیده
Background: Vision plays an important role in supporting efficient locomotion. The present study aimed to measure the physiological cost index (PCI) and some kinematic parameters of preferred walking and jogging in blind and sighted students.
Methods: A cross-sectional study was conducted among blind (n=18) and sighted (n=27) students aged 8-16 years. The following parameters were measured during a standard test procedure: step length (meter), cadence (steps/min), mean speed (meter/min), and the PCI of preferred walking (PCIW) and jogging (PCIJ) over a distance of 100 meters.
Results: Univariate linear regression analysis revealed that the weight of an individual as well as the test duration were significant predictors of heart rate (HR) and PCI. Overall, the
PCI (beats/meter) of sighted (PCIW=0.22±0.08 and PCIJ=0.24±0.07) and blind students (PCIW=0.27±0.07 and PCIJ=0.31±0.08) were significantly different (all P≤0.05). In addition, the speed of preferred walking (PW) in sighted students was significantly higher than that of the blind students (67±8 versus 62.8±9 m/min; all P≤0.05), while this difference was insignificant in jogging mode (105±9 versus 102±11 m/min).
Conclusion: Although the blind students were familiar with the ambient environment and the walking route, they demonstrated a different pattern of PW and jogging modes with respect to kinematic parameters. We also demonstrated that the blind students spent more energy (i.e., PCI) to achieve a lower or equal gait kinematics compared to the sighted students.
کلیدواژه‌ها
Walking؛ Jogging؛ Students؛ Physiological cost index؛ Kinematic parameters
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