Aponeurose toracolombar - Fascia thoracolumbalis

Hierarquia Anatômica

Termos gerais > Miologia > Músculos do dorso > Aponeurose toracolombar

Estruturas subjacentes



The thoracolumbar fascia is the portion of the deep fascia of the trunk covering the erector spinae muscle in the thoracic and lumbar region.

It attaches to the spinous processes of the thoracic, lumbar and sacral vertebrae, the supraspinous ligament, the sacral tuberosity, the iliac crest and the coxal tuberosity. Cranioventrally, it continues as the axillar fascia, caudally as the gluteal fascia and ventrally as the abdominal tunic..

The thoracolumbar fascia may be divided in different layers, varying between authors and not included in the NAV. In major sources, two layers are described (three are listed in human):

  • The superficial leaf (superficial layer) gives rise to the latissimus dorsi cranially and the two oblique abdominal muscles and the serratus caudalis caudally.
  • The deep leaf (deep layer) lies medial to the scapula, medial to the rhomboideus and and lateral to the erector spinae muscles.

Illustrated Veterinary Anatomical Nomenclature - 3rd edittion - Gheorghe M. Constantinescu, Oskar Schaller - Enke

Miller's Anatomy of the Dog, 4th Edition - Evans & de Lahunta- Elsevier
Anatomie comparée des mammifères domestiques - 5th edtion - Robert Barone - Vigot


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