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Serratus anterior
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∙ 12y ago
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What does the pectoralis do?
depresses the point of the shoulder, drawing the scapula inferior and medial, towards the thorax, and throwing its inferior angle posteriorly.
What is the action of the levator scapulae?
elevates, adducts, depresses, or rotates the scapula
Which muscle is located between the scapula and ribcage?
intercostals
Which muscle is responsible for holding the scapula on the chest wall?
Serratus Anterior
Which muscle stabilizes the scapula by preventing extreme elevation and protraction of the clavicle?
Subclavius
Which muscle will depress the scapula or elevate the ribs?
The pectoralis minor originates on the third to the fifth ribs (and elevates ribs). It depresses the scapula (and elevates ribs).
Type of movement trapezius produces?
stabilizes, raises, retracts, and rotates scapula; adducts scapula and elevates /depresses scapula stabilizes, raises, retracts, and rotates scapula; adducts scapula and elevates /depresses scapula
What does the pectoralis do?
depresses the point of the shoulder, drawing the scapula inferior and medial, towards the thorax, and throwing its inferior angle posteriorly.
What muscle group is your scapula from?
The scapula is not a muscle; it is a bone.
What muscles can be antagonistic to themselves?
Trapezius - it elevates and depresses the scapula.
What is the action of the levator scapulae?
elevates, adducts, depresses, or rotates the scapula
What is the action of the levitor scapulae muscle?
Raises the scapula at the Scapulothoracic Joint or inclines neck to corresponding side if the scapula is fixed
Which muscle moves the scapula forward?
Serratus Anterior, moves scapula forward.
What muscle tenses the neck and depresses the mandible?
Platysma
What is the action of the serratus anterior muscle?
Abducts scapula (moves scapula away from spinal column)
Does the trapezius contract?
Trapezius muscle- located from the skull through the cervical and thoracic vertebrae to the lateral 1/3 of the clavicle and spine of scapula. Function: Elevates, Depresses, Retracts, and rotates the scapula up and down. Innervated by the Spinal Accessory Nerve
What muscle raises scapula?
Serratus anterior and trapezius
