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*** Muscles *** > Pectoral Region > Flashcards

Pectoral Region Flashcards

1
Q

Pectoral region muscles

A

Pectoralis major
Pectoralis minor
Serrated anterior
Subclavius

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2
Q

Pectoralis major

Origin

A

Clavicle are head = anterior surface of the medial clavicle

Sternocostal head = sternum/superior 6 costal cartilages

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3
Q

Pectoralis major

Insertion

A

Intertubercular sulcus of the humerus

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4
Q

Pectoralis major

Innervation

A

Lateral and medial pectoral nerves

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5
Q

Pectoralis major

Function

A

Adducts and medially rotates upper limb

Draws scapula anteroinferiorally

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6
Q

Pectoralis minor

Origin

A

3-5th ribs

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7
Q

Pectoralis minor

Insertion

A

Coracoid process of the scapula

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8
Q

Pectoralis minor

Innervation

A

Medial pectoral nerve

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9
Q

Pectoralis minor

Function

A

Stabilises scapula by drawing it anteroinferiorally

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10
Q

Serratus anterior

Border

A

Medial border of axilla

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11
Q

Serratus anterior

Origin

A

Lateral aspects of ribs 1-8

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12
Q

Serratus anterior

Insertion

A

Costal surface of the medial border of the scapula

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13
Q

Serratus anterior

Innervation

A

Long thoracic nerve

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14
Q

Serratus anterior

Function

A

Rotates scapula - allows the arm to be abducted over 90 degrees

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15
Q

Subclavius

Origin

A

Junction of the 1st rib and its costal cartilage

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16
Q

Subclavius

Insertion

A

Inferior surface of the middle third of the clavicle

17
Q

Subclavius

Innervation

A

Nerve to subclavius

18
Q

Subclavius

Function

A

Anchors clavicle

*** Muscles *** (9 decks)

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