The morphology of the human lumbar multifidus

The morphology of the human lumbar multifidus

Dissection studies revealed that the fibres of the lumbar multifidus are divided by distinct cleavage planes into five bands. Each band arises from a lumbar spinous process, and is innervated unisegmentally. The lumbar multifidus is therefore composed of five myotomes arranged such that the fibres t...

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Veröffentlicht in:Clinical biomechanics (Bristol) 1986-11, Vol.1 (4), p.196-204
Hauptverfasser: Macintosh, Janet E., Valencia, Fernando, Bogduk, Nikolai, Munro, Robert R.
Format: Artikel
Sprache:eng
Schlagworte:
Electromyograph
Lumbar region
Multifidus
Muscles
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Zusammenfassung:Dissection studies revealed that the fibres of the lumbar multifidus are divided by distinct cleavage planes into five bands. Each band arises from a lumbar spinous process, and is innervated unisegmentally. The lumbar multifidus is therefore composed of five myotomes arranged such that the fibres that move a particular segment are innervated by the nerve of that segment. Target points are described that enable electromyography to be performed on paraspinal muscles of known unisegmental innervation.
ISSN:0268-0033
1879-1271
DOI:10.1016/0268-0033(86)90146-4