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Glossary of Muscles that move the Pectoral Girdles

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What actions do the muscles that move the clavicle bone allow?
Depression and elevation
What actions do the muscles that move the scapula allow?
Depression, elevation, abduction, adduction, and rotation
Which muscle originates on the first rib and inserts on the clavicle bone?
a. Pectoralis minor
b. Trapezius
c. Subclavius
d. Rhomboid major
C. Subclavius
There are three divisions of the trapezius. The upper trap originates here___. The Middle originates here___, and the lower trap originates here___.
a. Occipital LN/and spinal segments C1-7
b. T1-4 The trapezius originates on all thoracic vertabrae
c. T5-12
Where does the upper trapezius muscle insert?
a. Spine of scapula
b. Clavicle and acromion of scapula
c. Acromion of scapula
d. Occipital LN and c1-7
B. Clavicle and acromion of scapula
Where does the pectoralis minor originate?
The 3rd through 5th ribs
Where does the pectoralis minor insert?
a. the 3rd through 5th ribs
b. the acromial process
c. the coracoid process of the scapula
d. the hyoid bone
C. The Coracoid process of the scapula
Which muscle abducts the scapula and rotates it downward? It also elevates the 3rd through 5th rib during forced inhalation.
a. Serratus Anterior
b. Subclavius
c. Trapezius
d. Pectoralis Minor
D. pectoralis minor
Which muscle abducts the scapula and rotates it upward?
a. Serratus Anterior
b. Subclavius
c. Trapezius
d. Pectoralis Minor
A. Serratus Anterior
Where does the Serratus Anterior Originate and insert?
The superior eight or nine ribs, and the vertabral border of the scapula (anteriorly)
What is the nerve innervation for the trapezius muscle?
Accessory XI Nerve
What other muscle has the same nerve innervation as the trapezius muscle?
a. Levator Scapulae
b. coccygeus
c. sternocleidomastoid
d. splenius capitis
C. sternocleidomastoid
What muscle originates on the transverse process of the cervical vertebrae and inserts in the superior vertebral border of the scapula?
a. Trapezius
b. Pectoralis Minor
c. Subclavius
d. Levator Scapulae
D. Levator Scapulae
What is the action of the Levator Scapulae?
a. Abducts the scapula and rotates it upward
b. elevates scapula and rotates it downward
c. depresses clavicle
d. depresses scapula
B. Elevates scapula and rotates it downward
Which muscle elevates and adducts the scapula and rotates it downward, while also stabalizing it?
a. Trapezius
b. Rhomboid Major
c. Rhomboid Minor
d. b and c are correct
D. b and c are correct
which muscle originates at the 5th thoracic vertebrae and inserts on the verterbal border of the scapula inferior to the spine?
Rhomboid major
Which muscle originates on the spines of the seventh cervical and first thoracic vertebrea and inserts on the vertebral border of the scapula superior to the spine?
Rhomboid minor
which muscle has an origin where the trapezius inserts?
deltoid muscle

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