When the Splenius Capitis the Resulting Movement Is?
When the Left and Right Splenius Capitis Contract Together, the Resulting Movement Is: Extension of the Neck. the Most Laterally Placed of the Three Erector...
When the left and right splenius capitis contract together, the resulting movement is: extension of the neck. The most laterally placed of the three erector spinae components, the ___________ group, is composed of three parts: cervical, thoracic, and lumbar.
What is the action of the splenius capitis muscle?
Function. Bilaterally, the splenius capitis muscles extend and hyper-extend the head and neck. However, acting unilaterally, the muscle flexes and rotates the head and neck to the same side; particularly in the superior and inferior lateral oblique movements.
How do the splenius muscles rotate the head?
From the sides and the back of the neck, the splenius capitis inserts onto the head region, and the splenius cervicis extends onto the cervical region. These muscles can extend the head, laterally flex it, and rotate it (Figure 7.22).
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