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Related Concept Videos

Bones of the Lower Limb: Femur and Patella01:16

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The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the...
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The thigh's motion is primarily governed by muscles originating in the pelvic girdle and inserted into the femur. One crucial muscle, the iliopsoas, is a combination of the psoas major and the iliacus muscles, sharing a common insertion point on the lesser trochanter of the femur.
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Related Experiment Video

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In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
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Femoroacetabular impingement.

José Batista Volpon1

  • 1Universidadede São Paulo, Faculdade de Medicina de Ribeirão Preto, Departamento de Biomecância, Medicina e Reabilitação do Aparelho Locomotor, Ribeirão Preto, SP, Brazil.

Revista Brasileira De Ortopedia
|January 5, 2017
PubMed
Summary
This summary is machine-generated.

Femoroacetabular impingement (FAI) arises from abnormal hip joint anatomy, causing pain and cartilage damage with movement. Understanding its progression, especially in asymptomatic cases, is crucial for effective long-term management.

Keywords:
AnatomyArthroscopyFemoroacetabular impingementHipOsteotomy

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Area of Science:

  • Orthopedics and Sports Medicine
  • Hip Biomechanics
  • Radiology

Background:

  • Femoroacetabular impingement (FAI) is a recently characterized condition involving abnormal anatomical and functional relationships between the proximal femur and acetabular border.
  • Repetitive movements exacerbate FAI, leading to labrum and acetabular cartilage injuries due to pathological femoroacetabular contact, impact, and shear forces.
  • Anatomical variations (e.g., acetabular retroversion, reduced femoroacetabular offset) and acquired conditions (e.g., malunited fractures, post-osteotomy retroverted acetabulum) contribute to FAI.

Approach:

  • Diagnosis relies on characteristic clinical findings and imaging studies.
  • Treatment involves correcting anatomical anomalies, labrum debridement or repair, and removal of degenerate articular cartilage.
  • Further research is needed to understand the natural evolution and long-term treatment outcomes, particularly in asymptomatic individuals.

Key Points:

  • FAI results from abnormal hip joint morphology leading to premature wear.
  • Pathological contact and forces during hip movement cause labral tears and cartilage degeneration.
  • Early diagnosis and appropriate intervention are key to managing FAI symptoms and progression.

Conclusions:

  • FAI necessitates a comprehensive understanding of its etiology and biomechanics for optimal patient care.
  • Long-term outcomes and the natural history of FAI, especially in asymptomatic presentations, require continued investigation.
  • Multidisciplinary approaches combining clinical assessment, imaging, and surgical intervention are essential for managing FAI.