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Femur 3D

 

  • Femur

    •  It is the longest and the strongest bone of the body. It has two ends, an upper and a lower, and a shaft.
    •  The upper end bears a rounded head, whereas the lower end forms two large condyles.
    •  The head is directed medially.
    •  The cylindrical shaft is convex forwards.
       
  • Head Of Femur
    • * Head of femur forms about two-thirds of a sphere and is directed medially, upward, and slightly forward to fit into the acetabulum.
    • *It has a depression in its articular surface, the fovea-capitis femoris, to which the ligamentum capitis femoris is attached.
       
  • Neck Of Femur
    • * It connects the head to the body (shaft), forms an angle of about 125 degrees with the shaft, and is a common site of fractures.
    • * Intertrochanteric line separates the neck of the femur from the shaft in front.
    • * Intertrochanteric crest separates the neck of the femur from the shaft from behind.
       
  • Greater Trochanter
    • * It is quadrangular prominence located at the upper part of the junction of the neck with the shaft.
    • * It provides an insertion for the gluteus medius and minimus, piriformis, and obturator internus muscles.
    • * It receives the obturator externus tendon on the medial aspect of the trochanteric fossa.
       
  • Lesser Trochanter
    • * It is a conical eminence directed medially and backward from the junction of the posteroinferior part of the neck with the shaft.
    • * It projects at the lower end of the intertrochanteric crest and receives the insertion of the iliopsoas tendon.
       
  • Shaft Of Femur
    • * The shaft is more or less cylindrical. It is the narrowest in the middle and is more expanded inferiorly than superiorly.
    • * It is convex forwards and is directed obliquely downwards and medially.
       
  • Linea Aspera
    • * It is the rough line or ridge on the body (shaft) of the femur.
    • * It exhibits lateral and medial lips that provide attachments for many muscles and the three intermuscular septa.
       
  • Pectineal Line
    • * It runs from the lesser trochanter to the medial lip of the linea Aspera.
    • * It provides insertion for the pectineus muscle.
       
  • Adductor Tubercle
    • * It is a small prominence at the uppermost part of the medial femoral condyle.
    • * It provides insertion for the adductor magnus muscle.
       
  • Medial Condyle
    • * This condyle is convex medially. The most prominent point on it is called the medial epicondyle.
    • * Posterosuperior to the epicondyle, there is a projection, the adductor tubercle.
       
  • Lateral Condyle
    • * The lateral condyle is flat laterally and is more in line with the shaft. It, therefore, takes a more part in the transmission of body weight to the tibia.
    • * It bears lateral epicondyle and a popliteal groove.
       
  • Intercondylar Fossa
    • * This notch separates the lower and posterior parts of the two condyles.
    • * It is limited anteriorly by the patellar articular surface, and posteriorly by the intercondylar line which separates the notch from the popliteal surface.

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  • Femur

    •  It is the longest and the strongest bone of the body. It has two ends, an upper and a lower, and a shaft.
    •  The upper end bears a rounded head, whereas the lower end forms two large condyles.
    •  The head is directed medially.
    •  The cylindrical shaft is convex forwards.
       
  • Head Of Femur
    • * Head of femur forms about two-thirds of a sphere and is directed medially, upward, and slightly forward to fit into the acetabulum.
    • *It has a depression in its articular surface, the fovea-capitis femoris, to which the ligamentum capitis femoris is attached.
       
  • Neck Of Femur
    • * It connects the head to the body (shaft), forms an angle of about 125 degrees with the shaft, and is a common site of fractures.
    • * Intertrochanteric line separates the neck of the femur from the shaft in front.
    • * Intertrochanteric crest separates the neck of the femur from the shaft from behind.
       
  • Greater Trochanter
    • * It is quadrangular prominence located at the upper part of the junction of the neck with the shaft.
    • * It provides an insertion for the gluteus medius and minimus, piriformis, and obturator internus muscles.
    • * It receives the obturator externus tendon on the medial aspect of the trochanteric fossa.
       
  • Lesser Trochanter
    • * It is a conical eminence directed medially and backward from the junction of the posteroinferior part of the neck with the shaft.
    • * It projects at the lower end of the intertrochanteric crest and receives the insertion of the iliopsoas tendon.
       
  • Shaft Of Femur
    • * The shaft is more or less cylindrical. It is the narrowest in the middle and is more expanded inferiorly than superiorly.
    • * It is convex forwards and is directed obliquely downwards and medially.
       
  • Linea Aspera
    • * It is the rough line or ridge on the body (shaft) of the femur.
    • * It exhibits lateral and medial lips that provide attachments for many muscles and the three intermuscular septa.
       
  • Pectineal Line
    • * It runs from the lesser trochanter to the medial lip of the linea Aspera.
    • * It provides insertion for the pectineus muscle.
       
  • Adductor Tubercle
    • * It is a small prominence at the uppermost part of the medial femoral condyle.
    • * It provides insertion for the adductor magnus muscle.
       
  • Medial Condyle
    • * This condyle is convex medially. The most prominent point on it is called the medial epicondyle.
    • * Posterosuperior to the epicondyle, there is a projection, the adductor tubercle.
       
  • Lateral Condyle
    • * The lateral condyle is flat laterally and is more in line with the shaft. It, therefore, takes a more part in the transmission of body weight to the tibia.
    • * It bears lateral epicondyle and a popliteal groove.
       
  • Intercondylar Fossa
    • * This notch separates the lower and posterior parts of the two condyles.
    • * It is limited anteriorly by the patellar articular surface, and posteriorly by the intercondylar line which separates the notch from the popliteal surface.

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