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[Growth of the components of the human hip joint.]

M Doskocil1

  • 1Anatomický ústav 1. lékarské fakulty KU, Praha.

Acta Chirurgiae Orthopaedicae Et Traumatologiae Cechoslovaca
|May 18, 2010
PubMed

Insights

The human hip joint undergoes significant changes during development, with the femoral head initially deep but becoming shallow before birth. This developmental process means the newborn hip joint is not fully functional for its intended purpose.

Area of Science:

  • Developmental biology
  • Human anatomy
  • Orthopedics

Context:

  • The hip joint's development is crucial for locomotion.
  • Understanding the maturation of the acetabulum and femoral head is key to identifying potential developmental issues.

Purpose:

  • To investigate the changing ratio between the acetabular and femoral head cartilaginous surfaces throughout human fetal and postnatal development.
  • To analyze the morphological adaptations of the hip joint during different developmental stages.

Summary:

  • Early human fetuses (2-3 months) exhibit an ellipsoid hip joint with the femoral head deeply seated in the acetabulum.
  • By the third trimester, the femoral head enlarges and sits more superficially, with incomplete contact in the acetabular cavity.
  • Near birth, the acetabular cavity deepens, but growth accelerations/retardations indicate the hip joint is not fully mature or prepared for function.

Impact:

  • Highlights the dynamic nature of hip joint development.
  • Provides insights into the functional immaturity of the newborn hip.
  • Informs understanding of potential developmental hip dysplasia and related conditions.

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