Spring ligament complex
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The spring (plantar calcaneonavicular) ligament complex is a group of ligaments that connect the calcaneum and navicular, and support the talus.
The ligaments include:
-
superomedial ligament
- forms a sling, suspending/articulating against the head of talus
- merges with the inferior aspect of tibial spring ligament (portion of superficial deltoid ligament), as best appreciated on coronal views 2
- strongest and most important longitudinal arch stabiliser; also most commonly torn/repaired
-
medioplantar oblique ligament
- also known as the lateral calcaneonavicular ligament
-
inferoplantar longitudinal ligament
- also known as the intermedial calcaneonavicular ligament
- minor role in stabilizing hindfoot and longitudinal arch 2
These ligaments act as the primary static stabilisers of the medial arch of the foot and, together with posterior tibialis tendon (primary dynamic stabilizer), help support normal hindfoot relations. Failure of these stabilisers leads to hindfoot valgus and pes planus (pes planovalgus) 2.
-<li>forms a sling, suspending/articulating against the head of <a title="Talus" href="/articles/talus">talus</a>- +<li>forms a sling, suspending/articulating against the head of <a href="/articles/talus">talus</a>
-<li>merges with the inferior aspect of tibial spring ligament (portion of <a title="Deltoid ligament of the ankle" href="/articles/deltoid-ligament-of-the-ankle">superficial deltoid ligament</a>), as best appreciated on coronal views <sup>2</sup>- +<li>merges with the inferior aspect of tibial spring ligament (portion of <a href="/articles/deltoid-ligament-of-the-ankle">superficial deltoid ligament</a>), as best appreciated on coronal views <sup>2</sup>
-</ul><p>These ligaments act as the primary static stabilisers of the medial arch of the foot and, together with posterior tibialis tendon (primary dynamic stabilizer), help support normal hindfoot relations. Failure of these stabilisers leads to <a title="Hindfoot valgus" href="/articles/hindfoot-valgus">hindfoot valgus</a> and <a title="Pes planus" href="/articles/pes-planus">pes planus</a> (pes planovalgus) <sup>2</sup>.</p>- +</ul><p>These ligaments act as the primary static stabilisers of the medial arch of the foot and, together with posterior tibialis tendon (primary dynamic stabilizer), help support normal <a title="Hindfoot" href="/articles/hindfoot">hindfoot</a> relations. Failure of these stabilisers leads to <a href="/articles/hindfoot-valgus">hindfoot valgus</a> and <a href="/articles/pes-planus">pes planus</a> (pes planovalgus) <sup>2</sup>.</p>
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