Scalene Muscles – Functional Anatomy

Scalenes are 3 (sometimes 4) muscles on either side of the neck. The three bellies are named for their position; scalenus anterior, scalenus medius, scalenus posterior. The anomalous belly is called scalenus minimus.They are lateral cervical muscles that connect the cervical vertebrae to the upper thoracic cage. They are long muscles with fibers of uneven …

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