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Interdigitus muscles of waist, chest and neck
Last reviewed: 18.10.2021
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The intersporeal muscles of the waist, chest and neck (mm., Intertransversari lumborum, thoracis et cervicis) are formed by short beams connecting the transverse processes of adjacent vertebrae, are better expressed at the level of the lumbar and cervical spine. The interdigitic muscles of the waist are divided into lateral and medial muscles. In the neck region, the anterior (connecting the anterior tubercles of the transverse processes) and the posterior intertransverse muscles of the neck are distinguished, which have a medial and lateral parts.
Function: tilt the corresponding parts of the spinal column to its side.
Innervation: posterior branches of cervical, thoracic and lumbar spinal nerves.
Blood supply: lumbar, posterior intercostal arteries, deep cervical artery.