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Maghsoodi, Soraya, Amiri-Khorasani, Mohammadtaghi, AmirSeyfaddini, Mohammadreza. (1403). Effects of Cycling-Induced Fatigue on Lower Extremity Coordination, Variability, and Proprioception in Semi-Skilled Male Cyclists. سامانه مدیریت نشریات علمی, 11(3), 139-144. doi: 10.30476/jrsr.2023.98158.1351
Soraya Maghsoodi; Mohammadtaghi Amiri-Khorasani; Mohammadreza AmirSeyfaddini. "Effects of Cycling-Induced Fatigue on Lower Extremity Coordination, Variability, and Proprioception in Semi-Skilled Male Cyclists". سامانه مدیریت نشریات علمی, 11, 3, 1403, 139-144. doi: 10.30476/jrsr.2023.98158.1351
Maghsoodi, Soraya, Amiri-Khorasani, Mohammadtaghi, AmirSeyfaddini, Mohammadreza. (1403). 'Effects of Cycling-Induced Fatigue on Lower Extremity Coordination, Variability, and Proprioception in Semi-Skilled Male Cyclists', سامانه مدیریت نشریات علمی, 11(3), pp. 139-144. doi: 10.30476/jrsr.2023.98158.1351
Maghsoodi, Soraya, Amiri-Khorasani, Mohammadtaghi, AmirSeyfaddini, Mohammadreza. Effects of Cycling-Induced Fatigue on Lower Extremity Coordination, Variability, and Proprioception in Semi-Skilled Male Cyclists. سامانه مدیریت نشریات علمی, 1403; 11(3): 139-144. doi: 10.30476/jrsr.2023.98158.1351

Effects of Cycling-Induced Fatigue on Lower Extremity Coordination, Variability, and Proprioception in Semi-Skilled Male Cyclists

Journal of Rehabilitation Sciences & Research
دوره 11، شماره 3، آذر 2024، صفحه 139-144    اصل مقاله (826.4 K)
نوع مقاله: Original Articles
شناسه دیجیتال (DOI): 10.30476/jrsr.2023.98158.1351
نویسندگان
Soraya Maghsoodi1؛ Mohammadtaghi Amiri-Khorasani* 2؛ Mohammadreza AmirSeyfaddini1
1Department of Sports Biomechanics, Faculty of Physical Education and Sports Science, Shahid Bahonar University of Kerman, Kerman, Iran
2Department of Sports Biomechhanics, Faculty of Physical Education and Sports Science, Shahid Bahonar University of Kerman, Kerman, Kerman
چکیده
Background: The research aims to investigate the impact of a single bout of functional fatigue on proprioception, coordination, and variability among lower extremity joints and segments in semi-skilled male cyclists. Cycling is recognized as a sport in both professional and public contexts, yet excessive activity and fatigue pose significant risks for injury during pedaling.
Methods: The present study utilized a semi-experimental design employing a pretest-posttest method. It involved 24 randomly selected semi-skilled male cyclists with a mean age of 26.32±5.72 years. Before inducing fatigue through cycling, participants underwent pretest and posttest assessments to evaluate coordination and variability among segments of the lower extremities and proprioception of the knee and ankle joints. These assessments were conducted using a three-dimensional optoelectronic system with six cameras operating at a sampling frequency of 200 Hz. This system facilitated the acquisition of kinematic data related to the lower extremities. Statistical analysis included a one-way repeated measures ANOVA test and dependent t-test to compare all variables.
Results: The significance level in all statistical tests was set at 0.05. The findings indicated a significant increase in knee and ankle proprioception (P < 0.001) as well as coordination and variability among lower extremity segments (P < 0.001).
Conclusion: The presence of heightened proprioceptive errors in the joints, decreased coordination, and increased variability between segments indicates their association with sports injuries. Consequently, prolonged cycling and fatigue may contribute to an elevated prevalence and diversity of sports injuries among semi-skilled cyclists.
 
 
 
 

تازه های تحقیق

 

Mohammadtaghi Amiri-Khorasani:googel scholar

کلیدواژه‌ها
Coordination؛ Cycling؛ Fatigue؛ Kinematics؛ Lower Extremity؛ proprioception
مراجع
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Figure 1: Study time line overview of events.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 1. Dependent variables of joint proprioception before and after fatigue protocol.

 

Variables
Mean ± SD
P-Value
Joint
Angle (deg)
Pre-Test
Post-Test
Knee
15 (Flexion)
15.86 ± 2.82
25.17 ± 8.79
0.001*
30 (Flexion)
30.05 ± 3.28
39.89 ± 5.76
0.001*
60 (Flexion)
60.91 ± 4.10
70.61 ± 6.79
0.001*
Ankle
20 (Plantar Flexion)
18.52 ± 4.03
27.12 ± 4.51
0.001*
10 (Dorsi Flexion)
13.40 ± 5.42
19.20 ± 6.27
0.001*
(*: Level of Significant)

 

 

 

 

 

 

 

 

 

Table 2. Dependent variables of lower limb coordination and variability before and after fatigue protocol.

 

Variables
Mean ± SD
P-Value
Pre-Test
Post-Test
Coordination of Thigh-Shank 
177.14 ± 1.34
121.28 ± 1.99
0.001*
Variability of Thigh-Shank 
194.67 ± 1.47
132.07 ± 2.16
0.001*
Coordination of Thigh-Foot 
71.29 ± 1.79
26.29 ± 1.81
0.001*
Variability of Thigh-Foot 
86.26 ± 2.16
32.07 ± 2.35
0.001*
Coordination of Shank-Foot 
27.02 ± 1.14
-18.57 ± 2.07
0.001*
Variability of Shank-Foot 
30.53 ± 1.28
-14.67 ± 2.24
0.001*
(*: Level of Significant)

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