Patella

00:01 Now let's move on to the patella.

00:03 The patella is quite a small disc-shaped bone within the lower limb and we don't actually have a patella when we are born.

00:10 It's really ossified within the tendon that's connecting the thigh down to the leg via the quadriceps.

00:16 What we're gonna see here is the patellar actually emerged within the tendons of quadriceps femoris.

00:23 So superiorly within the anterior aspect of the thigh, we have the quadriceps muscle.

00:29 Quadriceps is then giving rise to this thick tendon that goes and attaches to the tibial tuberosity.

00:35 And as it does so it passes over the anterior aspect of the knee.

00:39 Thickening and ossification occurs within that tendon and we have the patella.

00:44 If we look at the patella in more detail, here we've got the anterior surface and we're looking here at a right patella.

00:51 Here we've got the anterior surface, we have a base, a lateral border, a medial border, and that apex were really the inverted triangle there, the upside down triangle is converging at a tip which is the apex.

01:04 If we look at the posterior surface, again, we can see this broad posterior surface, but it's really only the superior half of it, which forms this articular surface and then articulates with the distal end of the femur forming the knee joint.