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Upper Limb > Pectoral > Flashcards

Pectoral Flashcards

1
Q

What muscles make up the pectoral region?

A

Pectoralis major
Pectoralis minor
Serratus anterior
Subclavius

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2
Q

What are the parts of pec major?

A

Pectoral head

Clavicular head

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3
Q

What is the origin of pec major?

A

Pectoral - anterior sternum, superior 6 costal cartilages, aponeurosis of external oblique

Clavicular - anterior medial clavicle

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4
Q

What is the insertion of pec major?

A

Intertubular sulcus

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5
Q

What is the action of pec major?

A

Adduct arm
Medial rotation
Draw scapula anteroinferiorly

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6
Q

What is the innervation of pec major?

A

Medial + lateral pectoral nerve

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7
Q

What is the origin of pec minor?

A

3-5th rib

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8
Q

What is the insertion of pec minor?

A

Coracoid process

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9
Q

What is the action of pec minor?

A

Stabilise scapula

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10
Q

What is the innervation of pec minor?

A

Medial pectoral nerve

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11
Q

What is the origin of serratus anterior?

A

Lateral ribs 1-8

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12
Q

What is the insertion of serratus anterior?

A

Medial border scapula

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13
Q

What is the action of serratus anterior?

A

Rotate scapula

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14
Q

What is the innervation of serratus anterior?

A

Long thoracic nerve

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15
Q

What is the origin of subclavius?

A

1st rib/cartilage

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16
Q

What is the insertion of subclavius?

A

Clavicle

17
Q

What is the action of subclavius?

A

Anchor/depress clavicle

18
Q

What is the innervation of subclavius?

A

Nerve to subclavius

Upper Limb (12 decks)

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