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The stenrocleidomastoid muscle bilaterally does neck extension, while unilaterally, they laterally flex the Neck to the same side of the muscle contracting, and rotates th neck to the contra lateral side. So if you rotate to the left, the right sternocleidomastoid muscle is working. The right stenrocleidomastoid will also cause right lateral flexion( side bending)
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∙ 11y ago
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Where is the sternomastoid muscle located in cats?
Sternomastoid (cat) corresponds to the medial portion of the sternocleidomastoid (human).origin: manubrium and median raphe.insertion: lateral half of lambdoidal ridge and mastoid portion of temporal bone as far as the mastoid process.The sternomastoid muscle defines the anterior triangle of the neck. In humans it is the thick strap like muscle that turns the head to the left or right.
How does the sternomastoid muscle help with breathing?
If the head of the neck is fixed, then it is possible for the muscles to raise the clavicle and manubrium sterni, and hence the ribs, so that they act as accessory muscles of respiration.
What is the function of the sternocleidomastiod muscle?
The sternocleidomastoid muscle, also known as sternomastoid and comonly abbreviated as SCM, is a paired muscle in the superficial layers of the anterior portion of the neck. It acts to flex and rotate the head.
What part of the vertabrea controls head movement?
object control by head movement
What is the function of the stemocleidomastoid?
The muscle that is responsible for the movement of the head from left to right.
What are the several bones that control head movement called?
the spine
How long does it take for a newborn to get full muscle control of his head?
47 Days
What muscle originates on the temporal fossa?
The muscle that originates on the temporal fossa is the temporalis muscle. It is a fan-shaped muscle located on the side of the head. It is responsible for the movement of the jaw, including chewing and closing the mouth.
What is a pointer witch allows users with limited hand movement to control the pointer?
Head Mounted
When being hynotized is it normal for your eyes to open and roll in the back of your head?
My opinion, not factually based, but I think it is because the muscles, yes even the muscle that control the movement of your eyes are relaxed allowing your eyes to roll much like you do when you are asleep.
Why are voluntary muscle also called skeletal muscles?
Voluntary muscles are ones that you have the ability to consciously control: Arms, legs, mouth, head movement, etc. Most of the major muscle groups used or movement and communication are voluntary.Involuntary muscles would be things like your heart and the muscles around your intestines, which you generally cannot consciously control.Voluntary muscles are ones that you have the ability to consciously control: Arms, legs, mouth, head movement, etc. Most of the major muscle groups used or movement and communication are voluntary.Involuntary muscles would be things like your heart and the muscles around your intestines, which you generally cannot consciously control.
What is the name of the muscle that is most responsible for holding up the head?
There are 2 key muscles groups: Flexors push the head forward to keep it from falling backwards are comprised of the: Scalenus, Prevertebral and Sternomastoid muscles. The opposing extensors pull the head backward to prevent it from falling forwards so we arent looking at the group all the time: Splenus, Semi spinalus and capitis. These two groups oppose each other so that in a standard posture our head is facing directly forward and not up or down.
