Related Experiment Videos
The plantar muscle in human fetuses
D Gościcka1, W Stankiewicz, M Szpinda
1Department of Anatomy, Academy of Medicine, Bydgoszcz.
Insights
Human fetal plantar muscles show reduction due to slower belly development compared to tendons. This study compares these muscle reduction mechanisms with the long palmar muscle.
Area of Science:
- Embryology
- Human Anatomy
- Developmental Biology
Background:
- Understanding fetal muscle development is crucial for diagnosing congenital abnormalities.
- Previous research has indicated variations in muscle and tendon growth rates during gestation.
Purpose of the Study:
- To investigate and quantify the reduction in human fetal plantar muscles.
- To compare the developmental mechanisms of plantar muscle reduction with those of the long palmar muscle.
Main Methods:
- Study involved macroscopic analysis and measurement of 100 plantar muscles from 50 human fetuses.
- Fetuses ranged from the 4th to 8th month of intra-uterine development.
- Comparative analysis with data on long palmar muscle development was performed.
Main Results:
- A significant reduction in plantar muscle size was observed.
- The ratio of muscle belly to tendon development was found to be 1:6.
- Developmental disparities between muscle belly and tendon growth underlie this reduction.
Conclusions:
- The plantar muscle exhibits a notable reduction during fetal development, primarily due to differential growth rates between its belly and tendon.
- Comparing these findings with the long palmar muscle offers insights into common mechanisms of muscle reduction in human fetuses.
Abstract:
One hundred plantar muscles were studied and measured in fifty human fetuses from the 4th to 8th month of intra-uterine life. A reduction in the plantar muscle was observed due to slower development of the belly of muscle in relation to the tendon, which was as one to six (1:6). Mechanisms of reduction in the plantar muscle and in the long palmar muscle were compared in the study (5).