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intercostals
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∙ 12y ago
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Which muscle protracts and depresses the scapula?
The serratus anterior muscle protracts and depresses the scapula. It originates on the upper ribs and inserts along the medial border of the scapula. This muscle is important for stabilizing the scapula during movements like pushing and reaching overhead.
Which muscle is responsible for holding the scapula on the chest wall?
The Serratus Anterior muscle is responsible for holding the scapula against the chest wall. It helps stabilize the scapula and is important for proper shoulder movement and function.
Is the trapezius a flexor or an extensor?
The trapezius muscle is an extensor muscle. It is responsible for extending and laterally flexing the neck, as well as retracting and elevating the scapula.
Which muscle stabilizes the scapula by preventing extreme elevation and protraction of the clavicle?
The trapezius muscle plays a key role in stabilizing the scapula by preventing extreme elevation and protraction of the clavicle. Its upper fibers help elevate the scapula, while the middle fibers aid in retracting and stabilizing it.
What muscle is attached to the humerus bone?
The biceps muscle is attached to the humerus bone. It is a two-headed muscle located in the upper arm and is responsible for flexing the elbow and rotating the forearm.
Moves the scapula forward and downward?
The primary muscle responsible for moving the scapula forward and downward is the serratus anterior. This muscle originates along the upper eight or nine ribs and inserts along the inner border of the scapula. Contraction of the serratus anterior pulls the scapula forward and downward along the ribcage.
What muscle end with suffix coastal?
The muscle that ends with the suffix "coastal" is the external intercostal muscle. This muscle is located between the ribs and is involved in the movement of the ribcage during breathing.
A flat thoracic muscle deep to the pectoralis major that acts to draw the scapula inferiorly or to elevate the rib cage?
The muscle described is likely the serratus anterior. It originates on the surface of the upper ribs and inserts along the scapula. Its primary functions include protraction of the scapula (bringing it forward around the ribcage) and upward rotation of the scapula.
What muscle group is your scapula from?
The scapula is not a muscle; it is a bone.
Muscle that daises ribs in forceful inhalation?
Rhomboideus Major The rhomboid major helps to hold the scapula (and thus the upper limb) onto the ribcage. It also acts to retract the scapula, pulling it towards the vertebral column, and downwardly rotates the scapula with respect to the glenohumeral joint. It works collectively with the levator scapulae to elevate the medial border of the scapula.
Where is the rhomboid muscle located?
The rhomboid muscles, often simply called the rhomboids, are rhombus-shaped muscles associated with the scapula and are chiefly responsible for its retraction. There are two rhomboid muscles: Rhomboid major muscle and Rhomboid minor muscle. They are located on the back that connects the scapula with the vertebrae of the spinal column.
Name the origin of the supraspinatus muscle?
The supraspinatus muscle originates from the supraspinous fossa of 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.
Which muscle protracts and depresses the scapula?
The serratus anterior muscle protracts and depresses the scapula. It originates on the upper ribs and inserts along the medial border of the scapula. This muscle is important for stabilizing the scapula during movements like pushing and reaching overhead.
Which muscle will depress the scapula or elevate the ribs?
The muscle that depresses the scapula is the lower trapezius, while the muscle that elevates the ribs is the external intercostals.
What is the action of the serratus anterior muscle?
Abducts scapula (moves scapula away from spinal column)
