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Normal ranges of hip motion of preterm infants
K Katz1, S Davidson, F Dulitzky
1Department of Orthopaedic Surgery, Beilinson Medical Center, Petah Tiqvah.
Developmental Medicine and Child Neurology
|November 1, 1991
Insights
Hip motion in preterm infants changes with increasing gestational age after 25–27 weeks. This finding is crucial for understanding infant development and potential early interventions for motor function.
Area of Science:
- Neonatal development
- Pediatric orthopedics
- Infant biomechanics
Background:
- Understanding typical hip joint development is essential for identifying deviations.
- Preterm infants may exhibit altered motor patterns compared to term infants.
- Limited data exists on hip motion changes in early preterm infants.
Purpose of the Study:
- To quantify hip motion in preterm infants.
- To determine the relationship between hip motion and gestational age in preterm infants.
- To compare hip motion in preterm infants with established data for term infants.
Main Methods:
- Hip motion was measured in 158 preterm infants.
- Infants had gestational ages ranging from 25 to 36 weeks.
- Data was compared to previous studies on term infants.
Main Results:
- Hip motion demonstrated significant changes with increasing gestational age.
- These changes were observed in preterm infants with gestational ages above 25–27 weeks.
- Developmental trends in hip motion were identified.
Conclusions:
- Gestational age is a key factor influencing hip motion in preterm infants.
- The findings provide normative data for preterm infant hip development.
- This research aids in the early detection of potential motor impairments.
Abstract:
The hip motion of 158 preterm infants with gestational ages between 25 and 36 weeks was measured. The results of this study, compared with those of previous studies of term infants, show that hip motion changes with increasing gestational age above 25 to 27 weeks.