Anatomy: Shoulder Flexors Flashcards

1
Q

Coracobrachialis Origin

A

Coracoid process of scapula

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2
Q

Coracobrachialis Insertion

A

Medial surface of middle shaft of humerus

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3
Q

Coracobrachialis Action

A
  • Flexes shoulder (GH joint)
  • Adducts shoulder
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4
Q

Coracobrachialis Texture & Depth

A

Non-Ropy; Superficial & Deep

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5
Q

Pectoralis Major Origin

A

Medial half of clavicle, sternum, cartilage of ribs 1 through 6

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6
Q

Pectoralis Major Insertion

A

Crest of greater tubercle of humerus

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7
Q

Pectoralis Major Action of All Fibers

A
  • Adducts shoulder
  • Medially rotates shoulder
  • Assists in elevating thorax in forced inspiration
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8
Q

Pectoralis Major Additional Actions of Upper Fibers

A
  • Flexes shoulder
  • Horizontally adducts shoulder
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9
Q

Pectoralis Major Additional Action of Lower FIbers

A
  • Extend shoulder
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10
Q

Pectoralis Major Texture & Depth

A

Non-ropy; Superficial

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11
Q

Lats Little Helper

A

Teres Major

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12
Q

Teres Major Origin

A

Interior angle & lower 1/3 of lateral border of scapula

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13
Q

Teres Major Insertion

A

Crest of the lesser tubercle of humerus

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14
Q

Teres Major Actions

A
  • Extends shoulder
  • Adducts shoulder
  • Medially rotates humerus
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15
Q

Teres Major Texture & Depth

A

Non-ropy; Superficial

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