Tibiofibular Joint

00:01 Now let's look at the tibiofibular joints.

00:04 We have two tibiofibular joints.

00:07 We have a superior and an inferior or a proximal and distal.

00:12 So here we can see the superior tibiofibular joint.

00:16 It's a plane synovial joint.

00:19 Here we have the interosseous membrane, adhering the two bones in the leg.

00:23 And here we have the inferior tibiofibular joint.

00:26 And this joint is a syndesmosis joint.

00:29 Here we can see the proximal tibiofibular joint.

00:33 You can see its articulation is between the lateral condyle of the tibia, and also the tibial articular facet, which we can see here.

00:41 This articulates with the head of the fibular, which has a fibular articular facet on alongside it.

00:48 So we see the two articular facets on those two regions of both the tibia and the fibular.

00:55 These two will come together forming that proximal, or superior tibiofibular joint.

01:01 This joint itself will have a joint capsule that surrounds it.

01:05 We have an anterior ligament of the fibular head and a posterior ligament of the fibular head.

01:10 And these are thickenings of that joint capsule there to support movement.

01:14 The only movement that can occur at this joint is only slight gliding movement.

01:20 The fibular really is there to help increase muscle attachment sites.

01:24 There's not a great deal of movement that can occur.

01:28 If we then move to the distal tibiofibular joint, here, we're gonna see this is much further down, the distal one.

01:35 It's very near the ankle joint, but it's still between the fibular and the tubular.

01:40 Here on the tibia we have the fibular notch.

01:42 And this articulates with a medial aspect of the distal end of the fibular, which we can see here.

01:48 Those two areas come together and they're reinforced by an anterior tibiofibular ligament.

01:54 Notice there isn't a joint capsule here.

01:57 This is fusion very much of these two bones.

02:00 We also have anterior tibiofibular ligaments have a posterior version.

02:05 And here we can see on the posterior aspect, the posterior tibiofibular ligament.

02:10 There's hardly any movement whatsoever at that joint as these two bones have fused together, hence it being a syndesmosis joint.