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The elevation is accomplished by the trapezius, levator scapulae, and rhomboid muscles. Depression is accomplished through the force of gravity and the actions of the latissimus dorsi, serratus anterior, pectoralis major and minor, and the trapezius muscles.Rhomboid major and minor muscles attach from the vertebral column to the medial border of the scapula, slightly below the levator scapulae muscles. These muscles retract and elevate the scapula.Levator scapulae muscle
It originates from the transverse processes of vertebrae C1-C4 and inserts onto the medial margin of the scapula. The main function of this muscle is to elevate the scapula, just like its name suggests.
- Trapezius – elevate, depress, adduct scapula.
- Latissimus dorsi m. – adduct scapula.
- Levator scapulae m. – elevate scapula.
- Rhomboid minor – elevate and adduct scapula.
- Rhomboid major – elevate and adduct scapula.
- Serratus anterior m. – …
- Pectoralis minor m. –
Which muscles elevate the scapula?
The elevation is accomplished by the trapezius, levator scapulae, and rhomboid muscles. Depression is accomplished through the force of gravity and the actions of the latissimus dorsi, serratus anterior, pectoralis major and minor, and the trapezius muscles.
What muscles elevate and retract the scapula?
Rhomboid major and minor muscles attach from the vertebral column to the medial border of the scapula, slightly below the levator scapulae muscles. These muscles retract and elevate the scapula.
Manual Muscle Test for Scapular Elevation
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What major back muscle elevates the scapula?
Levator scapulae muscle
It originates from the transverse processes of vertebrae C1-C4 and inserts onto the medial margin of the scapula. The main function of this muscle is to elevate the scapula, just like its name suggests.
What structure elevates the scapula?
The levator scapulae muscle extends from the transverse processes of vertebrae C1-C4 to the medial border of scapula. As its name suggests, the main function of this muscle is to elevate the scapula.
What muscles cause scapular upward rotation?
The middle and lower serratus anterior muscles produce scapular upward rotation, posterior tilting, and external rotation. Upper trapezius produces clavicular elevation and retraction. The middle trapezius is primarily a medial stabilizer of the scapula.
Does the pectoralis minor elevate or depress the scapula?
Answer. The pectoralis minor originates on the third to the fifth ribs, depresses the scapula and elevates ribs…
What muscle and or muscles elevate depress retract and protract the scapula?
Pectoralis minor is a “fan” shaped muscle that assists in pulling the scapula anteriorly or “protracting” it, as well as depression of the shoulder.
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muscles that elevate scapula Flashcards | Quizlet
Terms in this set (10) ; trapezius action. elevate and superiorly rotate scapula, retract scapula, depress scpaula ; trapezius innervation. accessory nerve CN XI.
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Which muscles elevate the scapula? Trapezius, Levator scapulae, Rhomboid major and minor.
EXAM 2 Flashcards | Quizlet
Which muscles elevates the Mandible? Temporalis, Masseter, Medial and Lateral Pterygoid.
Muscles that Act on the Scapula Flashcards | Quizlet
Trapezius Action: Stabilizes, Elevates, Retracts, and Rotates Scapula · Levator Scapulae Action: Elevates and Adducts Scapula · Rhomboid Major Action: Stabilize …
Which of these elevates and adducts the scapula?
| Muscle Name | Origin | Action |
|---|---|---|
| Pectoralis major | Clavicle Sternum Ribs | Adducts arm Flexes arm Rotates arm |
| Pectoralis minor | Ribs | Stabilizes scapula Elevates ribs |
| Rectus abdominis | Pubis | Compresses andomen |
| Muscle Name | Origin | Action |
What muscle is responsible for retracting the scapula?
The muscles involved in scapular retraction are the upper trapezius, middle and lower trapezius, rhomboids, and latissimus dorsi.
What is the multifidus muscle?
The multifidus muscle is an important stabilizer of the lumbar spine. It functions together with transversus abdominis and pelvic floor muscles for spine stability. Multifidus muscle weakness and atrophy is associated with chronic low back pain.
Muscles of the Scapula | Musculoskeletal Anatomy
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What are the rhomboid muscles?
The rhomboids are a collective group of muscles formed by the rhomboid major and minor. The rhomboids are important in upper limb movement and stability of both the shoulder girdle and scapula. Both rhomboids receive innervation from the dorsal scapular nerve and supplied by the dorsal scapular artery.
Where is the subscapularis muscle?
Subscapularis is a triangular shoulder muscle located in the subscapular fossa of scapula. Attaching between the scapula and the proximal humerus, it is one of the four muscles of the rotator cuff, along with supraspinatus, infraspinatus and teres minor.
What does the levator muscle do?
Structure and Function
The major function of the levator ani muscle is supporting and raising the pelvic visceral structures. It also helps in proper sexual functioning, defecation, urination, and allowing various structures to pass through it.
What is shoulder elevation?
Elevation of the Shoulder Girdle – a movement where the scapula moves in a superior or upward direction occurring at the Sterno clavicular joints.
What causes shoulder elevation?
Overhead athletes with impingement have delayed onset of middle and lower trapezius fibers in response to a sudden downward movement. If the lower trapezius reacts too slowly when compared to the upper trapezius, the upper trapezius may become overactive, leading to scapular elevation rather than upward rotation.
Does the pectoralis minor rotate the scapula downward?
Function. The primary actions of this muscle include the stabilization, depression, abduction or protraction, internal rotation and downward rotation of the scapula.
Where is the serratus muscle?
The serratus anterior muscle is very thin and covers the side of the ribcage. The main part of the serratus anterior lies deep to the scapula and the pectoral muscles and is easily palpated between the pectoralis major and latissimus dorsi muscles.
How does pec major depress the scapula?
With the origin fixed, the pectoralis major adducts, medially rotates, and transversely adducts arm at glenohumeral joint. It assists in extension of the arm (via the sternocostal head) at the glenohumeral joint. It depresses the shoulder girdle at acrimioclavicular and sternoclavicular joints.
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What muscles abduct the scapula?
The trapezius and serratus anterior muscles work in tandem to coordinate rotation and movement of the scapula to accommodate the full range of motion of the arm. Specifically, they facilitate abduction of the arm from 90 degrees and further upwards.
Does the serratus anterior protract the scapula?
The serratus anterior acts to pull the scapula forward around the thorax. The muscle is named from Latin: serrare = to saw, referring to the shape, anterior = on the front side of the body. The left side of the thorax. protracts and stabilizes scapula, assists in upward rotation.
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