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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 knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
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The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
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[Knee dysfunction in the general population and associated factors].

José Luis Solis-Hernández1, David Rojano-Mejía2, Marlene Marmolejo-Mendoza3

  • 1Servicio de Laboratorio de Análisis Clínicos, Unidad de Medicina Familiar N.(o) 20, Instituto Mexicano del Seguro Social, México, D.F., México.

Cirugia Y Cirujanos
|December 22, 2015
PubMed
Summary

Knee joint dysfunction is more common in older adults, women, and obese individuals. Factors like age over 65, obesity, and female gender significantly increase the risk of knee disability.

Keywords:
AgedArticulación de la rodillaBody mass indexGenderGéneroKnee jointWestern Ontario and McMaster Universities Osteoarthritis IndexÍndice de masa corporal

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Area of Science:

  • Gerontology
  • Public Health
  • Rheumatology

Background:

  • Knee joint dysfunction affects 80% of individuals over 50.
  • Women face a 1.5x higher risk of knee dysfunction than men.
  • Obesity triples the risk of functional limitations in the knee joint.

Purpose of the Study:

  • To identify knee joint dysfunction in adults over 50.
  • To determine factors associated with knee joint dysfunction.

Main Methods:

  • An analytical and descriptive study of 218 individuals over 50.
  • Physical examination and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) questionnaire.
  • Logistic regression and ANOVA for data analysis (p<0.05).

Main Results:

  • Mean age was 64.27 years.
  • Increased odds of disability: 4.50 for >65 years, 2.90 for obese, 2.02 for women.
  • Higher WOMAC scores correlated with increased body mass index.

Conclusions:

  • Women experience greater knee disability, especially at older ages.
  • Obesity increases the risk of knee joint dysfunction up to 3 times.
  • Age, gender, and obesity are significant factors in knee dysfunction.