Ligamentum Plantare Longum

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Original Editor - Anna Fuhrmann

Top Contributors - Anna Fuhrmann, Kim Jackson and Aminat Abolade

Description[edit | edit source]

The long plantar ligament is the longest and strongest ligament of the foot. Running along the base of the foot from the heel bone (calcaneus) to the base of the metatarsal bones, it assists in forming the longitudinal arch of the foot and keeping the calcaneocuboid joint and the midtarsal (Chopard) joint stable. [1] [2]

Attachments[edit | edit source]

Originating from the bottom surface of the calcaneus, adjacent to the Processus medialis tuberis calcanei, the long plantar ligament forms a flat, fibrous ligament that attaches at the base of the second to fifth metatarsal bones, and the posterior cuboid bone. [2]

Function[edit | edit source]

The long plantar ligament closes the Sulcus tendinis musculi fibularis (peronei) longi, which is a meatus running along the base side of the cuboid bone and the three cuneiforme bones. This meatus holds the tendon of the long peroneal muscle, which is kept in this sulcus through the long plantar ligament. [2] Alongside the plantar calcaneonaviculare ligament and the plantar aponeurosis, the long plantar ligament passively supports the longitudinal arch of the foot. [2]

Clinical relevance[edit | edit source]

Assessment[edit | edit source]

Treatment[edit | edit source]

Resources[edit | edit source]

References[edit | edit source]

  1. Feger J. Long plantar ligament. Available from: https://radiopaedia.org/articles/long-plantar-ligament (accessed 15 October 2020).
  2. 2.0 2.1 2.2 2.3 Putz R, Pabst R. Atlas der Anatomie des Menschen Limitierte Jubiläumsausgabe: der komplette Atlas in einem Band. 21. Aufl. München: Urban & Fischer, 2004.