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Updated: Mar 19, 2026
Lower Limb Biomechanical Analysis of Healthy Participants
Published on: April 15, 2020
Partial correlation between lower muscle thickness, 10-meter walk test, and the timed up & go test in children with
Chang-Kyo Yun1, Won-Hyo Kim1, Seong-Gil Kim2
1Department of Physical Therapy, College of Rehabilitation Science, Daegu University, Republic of Korea.
Insights
In children with cerebral palsy, greater lower extremity muscle thickness, particularly in knee extensors and calf muscles, is linked to improved walking and sit-to-stand abilities, enhancing overall gait performance.
Area of Science:
- Physical Therapy
- Neurology
- Pediatrics
Background:
- Cerebral palsy (CP) often affects motor function, impacting gait and mobility.
- Lower extremity muscle development is crucial for functional recovery in children with CP.
Purpose of the Study:
- To investigate the relationship between lower extremity muscle thickness and gait performance in children with spastic cerebral palsy.
- To assess correlations with the 10-meter walk test and the Timed Up and Go test.
Main Methods:
- Participants: 28 children (20 males, 8 females) with spastic cerebral palsy.
- Analysis: Partial correlation analysis between lower extremity muscle thickness and gait tests.
- Measures: 10-meter walk test, Timed Up and Go test.
Main Results:
- Positive correlation found between muscle thickness and the 10-meter walk test (Rectus Femoris [RF]=0.41, Vastus Lateralis [VL]=0.52).
- Negative correlation observed between muscle thickness and the Timed Up and Go test (VL=-0.45, Medial Gastrocnemius [MG]=-0.51, Lateral Gastrocnemius [LG]=-0.39).
Conclusions:
- Developed knee extensor muscles correlate with enhanced gait ability in children with CP.
- Developed calf muscles correlate with improved sit-to-stand ability, indicating better functional mobility.
Abstract:
[Purpose] The purpose of this study was to examine the correlation between lower extremity muscle thickness and gait ability through the 10-meter walk and timed up and go tests. [Subjects and Methods] A total of 28 children (20 males and 8 females) with spastic cerebral palsy undergoing physical therapy at D hospital in D city, South Korea participated in this study. Partial correlation analysis was performed to analyze the correlation between lower extremity muscle thickness and gait ability (10-meter walk test and timed up and go test). [Results] There was a positive correlation between muscle thickness and the 10-meter walk test (RF=0.41 and VL=0.52). Correlation between the muscle thickness and the timed up and go had a negative correlation (VL=-0.45, MG=-0.51, and LG=-0.39). [Conclusion] In children with cerebral palsy, knee extensor muscles that are more developed increased gait ability and calf muscles that are more developed increased sit to stand ability.
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