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When this muscle contracts the head rotates so that the face turns downward and to the opposite side?
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∙ 11y ago
sternocleidomstoid
Wiki User
∙ 11y ago
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When this muscle contracts the head rotates so that the face turns downward and to the opposite side.?
sternocleidomstoid
When one muscle contracts what do the opposite do?
It relaxes
When a muscle contrats what happens to its opposite muscle?
depends on which muscle but the opposite muscle sometimes contracts aswell to stabalize the joint some relaxes ...
When you flex your arm muscle what happens?
The muscle in your arm contracts. The muscle on the other side of your arm, opposite from the side that you are flexing, stretches.
Muscles that work as opposite pairs to move bones are called?
Agonist & AntagonistsAgonist is the muscle responsible for the primary movement ( muscle that contracts)Antagonist is the opposite muscle that must relax to allow the agonist to move a joint.
What does a muscle become when it contracts?
A muscle becomes shorter when it contracts.
When a muscle contracts how does its form change?
A muscle that contracts shortens whereas a muscle that relaxes lengthens.
What is a muscle that rotates the upper arm?
There is not a single muscle that rotates the upper arm. The name of the muscle that contributes in rotation of the upper arm is deltoid muscle.
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 muscle rotates the arm medially?
The "Subscapularis" This muscle rotates the arm medially (sub = below, scapulo = shoulderblade)
What muscle compress and move downward when you inhale?
the diaphragm. It is right above the heart and lungs, and expands and contracts when you breathe in and out. You can almost feel it move down a little, when you release air.
What is the prayer muscle?
; Sternocleidomastoid muscle - this branchiomeric muscle flexes the head (prayer muscles) when both left and right members contract. The neck twists or rotates when only one contracts. Its antagonist is the splenius capitis, a somatic muscle (which extends the head). Both these muscles act as 1st class levers.
