Femur – Osteology of Lower Limb

by James Pickering, PhD

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    00:00 So the hip bone is actually tilted more forwards. Now let’s move on to the femur, the femur which is the thigh bone within the thigh. We can see here we have an anterior right femur, and we have a posterior right femur. Here we have the anterior view of the right femur. We’ve got the head of the femur here. It’s large, it’s spherical, and articulates with the acetabulum at the hip joint. It contains a depression medially, which is the fovea here, and this contains the attachment site for the ligaments of the head of the femur.

    00:36 The neck joins the head to the shaft. So here we can see the neck of the femur, and it contains two trochanters, a greater and a lesser trochanter. And these are clearly seen on the posterior view. Running between the two trochanters on these anterior aspects, we have the intertrochanteric line. And that’s running between the two trochanters on this anterior aspect.

    01:03 If we look at the shaft, then it’s relatively dull. It’s smooth. It’s rounded on the anterior surface. Posteriorly, there are some features we’ll mention. Distally though on this anterior surface, we can see some femoral condyles. We can also see passing towards these condyles, the medial and lateral epicondyles. And these again give rise to those condyles which articulate with the tibial condyles and form the knee joint. We can also see a smooth region here, and that is the patellar surface. If we look at the posterior view now of the femur, we can still see we’ve got our head, we’ve got our neck, and we can see we’ve got a greater trochanter now, and clearly, a lesser trochanter. But here, we can see we now have an intertrochanteric crest. We don’t have that line.

    01:55 Looking at the shaft, we can see running down from these trochanters, we have the lateral and the medial lip that forms the linea aspera. Superiorly, the lateral lip blends with the roughened gluteal trochanter, and the medial lip runs to the lesser trochanter as the pectineal line.

    02:15 And we’ll see some important muscles attached here like pectineus.

    02:20 Inferiorly, the lateral and the medial lips, they separate to form the lateral and medial supracondylar lines. So distally, we can now clearly see a large femoral condyle. We can still make out the lateral epicondyle, and the medial epicondyle would be on this side. On the medial epicondyle, we can see an adductor tubercle which is an important attachment. But the femoral condyles, medial and lateral, they’re separated by this intercondylar fossa which we’ll soon appreciate, contain some cruciate ligaments and it articulates with the tibial condyles to form the knee joint. On the medial condyle, we can see we’ve got the adductor tubercle here, and that’s located on the superomedial medial aspect of that medial condyle. Now let’s have a look at the patella. We can see the patella, this anterior and

    About the Lecture

    The lecture Femur – Osteology of Lower Limb by James Pickering, PhD is from the course Lower Limb Anatomy.

    Included Quiz Questions

    1. Ligament attachments
    2. Synovial membrane
    3. Extensor muscles of the joint
    4. Artery
    5. Lacunae of the bone
    1. Linea aspera
    2. Lateral lip
    3. Medial lip
    4. Gluteal trochanter
    5. Pectineal lines

    Author of lecture Femur – Osteology of Lower Limb

     James Pickering, PhD

    James Pickering, PhD

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