yogabook / muscles / scalenus posterior

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The scaleni are divided into three parts: in addition to the posterior scalenus, there is also the anteriorscalenus and the medialscalenus.
Origin: Proc. transversus of the 5th?7th cervical vertebra
Attachment: 2nd rib
Antagonists:
Movement: innervated on one side: Lateral flexion cervical spine; bilateral: Flexion cervical spine; auxiliary inspirator