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Myology 2 > Midterm part 2 muscles > Flashcards

Midterm part 2 muscles Flashcards

1
Q

Levator Scapulae

A

O: TP C1-C4
I: medial border of the scapula
A: elevate, retract and downwardly rotate scapula
N: dorsal scapular nerve

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2
Q

Rhomboid major and minor

A

Minor O: SP C7-T1
Major O: SP T2-T5
I: medial border of scap, root of spine of scap, inferior angle of scap
A: retracts, elevation and downwardly rotate scap
N: dorsal scapular nerve

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3
Q

Pectoralis minor

A

O: anterior border ribs of 3-5
I: coracoid process of the scapula
A: protracts, depress and downward rotate
N: medial pectoral nerve

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4
Q

Serratus anterior

A

O: outer boarder of the 1st through 9th ribs
I: anterior surface of the entire medial border of scapula
A: protracts, upward rotate, stabilizes the scap
N: long thoracic nerve

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5
Q

Supraspinatus

A

O: supraspinatus fossa of scapula
I: greater tubercle of the humerus
A: initiates abduction of the humerus
N: supra scapular nerve

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6
Q

Infraspinatus

A

O: Infraspinatus fossa of the scapula
I: greater tubercle of the humerus
A: lateral/external rotation and extension of humerus
N: supra scapular nerve

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7
Q

Teres minor

A

O: lateral border of the scapula
I: greater tubercle of the humerus
A: lateral/external rotation and extension of the humerus
N: axillary nerve

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8
Q

Subscapularis

A

O: Subscapularis fossa
I: lesser tubercle of the humerus
A: medial/internal rotation of the humerus
N: upper and lower subscapular nerve

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9
Q

Anterior Deltoid

A

O: lateral clavicle
I: deltoid tuberosity of the humerus
A: entire muscle is a powerful abductor of the arm, flexes, medially rotate, horizontal adduct arm
N: axillary nerve

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10
Q

Middle deltoid

A

O: acromion process
I: deltoid tuberosity of the humerus
A: entire muscle is a powerful abductor of the arm, abducts the arm
N: axillary nerve

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11
Q

Posterior deltoid

A

O: spine of scapula
I: deltoid tuberosity of the humerus
A: entire muscle is a powerful abductor of the arm, extends, lateral rotate, horizontal abduct the arm
N: axillary nerve

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12
Q

Trapezius

A 
O: EOP, C7-T12, nuchal ligament. 
I: upper-clavicle & acromion 
Middle-spine of scap 
Lower-root of spine of scap
A: elevate, retract, depress, upward rotate 
N:CN11
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Myology 2 (3 decks)

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