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What back muscle originates on the vertebral spinous processes?
The rhomboid major originates on the spinous processes of the second to fifth thoracic border and inserts on the medial border of the scapula. It retracts the scapula.
Where is the supraspinatus muscle originates in the medial rotation of the scapula?
Center of the shoulderblade and attaches to the spine.
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.
Which muscle is attached to the vertebral edge of the scapula?
Posterioly there are the Rhomboideus major and minor and levator scapula. While anteriorly is the upper three digitations of serratus anterior.
What is the strongest protractor of the scapula?
The strongest protractor of the scapula is the serratus anterior muscle. It originates from the upper ribs and inserts along the medial border of the scapula. Contraction of the serratus anterior muscle pulls the scapula forward around the rib cage.
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.
What muscle group is your scapula from?
The scapula is not a muscle; it is a bone.
What upper arm muscle is named for its shape often the site of injections that abducts and rotates the arm is?
injections are normally given in the deltoid muscle which attaches to itself to the scapula and acromion
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.
Where is the rhomboid major?
The rhomboid major is a muscle located in the upper back, beneath the trapezius muscle. It originates from the spinous processes of the T2 to T5 vertebrae and inserts into the medial border of the scapula, between the spine and the inferior angle. This muscle plays a key role in retracting and stabilizing the scapula.
What muscle attaches to the external occipital protuberance?
The muscle that attaches to the external occipital protuberance is the trapezius muscle. This large, triangular muscle extends from the back of the skull and the cervical and thoracic vertebrae down to the spine of the scapula. Its upper fibers are particularly responsible for elevating the shoulder blades and extending the neck. Additionally, this attachment point plays a role in head and neck movement.
What is the origin and insertion point for the deltoids?
The deltoid is very interesting muscle. It arise from the outer and lateral border of the clavicle and outer and lateral border of the spine of the scapula. From the corresponding inner border, you have insertion of the trapezius muscle. The deltoid muscle is inserted on the deltoid tuberosity on the lateral and middle part of the humerus bone. So it looks that the trapezius muscle continue as the deltoid muscle.
