Chp 10-Muscles That Move The Shoulder Flashcards

1
Q

6 Muscles that move the shoulder

A
  1. Pectoralis major
  2. Deltoid
  3. Latissimus dorsi
  4. Coracobrachialis
  5. Teres major
  6. Serratus Anterior
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2
Q

Pectoralis major - O =

A

O: clavicle, sternum

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3
Q

Pectoralis major - I =

A

I: intertubercular groove

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4
Q

Pectoralis major - A =

A

A: ADduct & rotate internally humerus, assist flexion

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5
Q

Deltoid - O =

A

O: acromion process & clavicle

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6
Q

Deltoid - I =

A

I: deltoid tuberosity of humerus

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7
Q

Deltoid - A =

A

A: ABduct humerus 30-90 degrees , some ext & flex

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8
Q

Latissimus dorsi - O =

A

O: thoracodorsal fascia, T & L spinous processes, ilium

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9
Q

Latissimus dorsi - I =

A

I: intertubercular groove

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10
Q

Latissimus dorsi - A =

A

A: extend, internally rotate, ADduct arm

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11
Q

Coracobrachialis - O =

A

O: coracoid process of scapula

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12
Q

Coracobrachialis - I =

A

I: humeral shaft

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13
Q

Coracobrachialis - A =

A

A: shoulder flexion

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14
Q

Teres major - O =

A

O: scapula

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15
Q

Teres major - I =

A

I: intertubercular groove

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16
Q

Teres major - A =

A

A: internal rotation, extension, ADduct humerus

17
Q

Serratus Anterior - O =

A

O: Ribs 1-8

18
Q

Serratus Anterior - I =

A

I: infero-medial scapula

19
Q

Serratus Anterior - A =

A

A: abduct arm > 90 degrees