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[ANA} Appendicular Skeleton > Pectoral Girdle > Flashcards

Pectoral Girdle Flashcards

1
Q

The pectoral girdle consists of __ & __

A

Clavicle & Scapula

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2
Q

The Medial or Sternal end of the clavicle articulates with __

A

Sternum (Manubrium) and 1st Rib

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3
Q

The Lateral or Acromial end of the clavicle articulates with __

A

Scapula: Acromion

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4
Q

What part fails to complete the pectoral girdle behind?

A

Scapulae

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5
Q

Functions of the Pectoral GIrdle

A
  • Attach upper limb to trunk
  • Provides attachment site for muscle
  • Allows for mobility
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6
Q

AKA Collarbone

A

Clavicle

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7
Q

Medial __ is __ anteriorly

A

Medial 2/3 is convex anteriorly

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8
Q

Lateral __ is __ anteriorly

A

Lateral 1/3 is concave anteriorly

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9
Q

Part of the clavicle that is convex anteriorly

A

Medial 2/3

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10
Q

Part of the clavicle that is concave anteriorly

A

Lateral 1/3

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11
Q

Sternoclavicular Joint is formed by the articulation of __ & __

A

Sternal (medial) end of the Clavicle & the Manubrium of the Sternum

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12
Q

Acromioclavicular Joint is formed by the articulation of __ & __

A
  • Acromial (Lateral) End of the Clavicle
  • Acromion of the Scapula
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13
Q

What are the 2 sets of ligaments at the lateral end of the clavicle?

A

Coracoclavicular Ligaments
1. Conoid (Medial)
2. Trapezoid (Lateral)

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14
Q

Functions of the Clavicle

A
  • Provides attachment for muscles
  • Acts as a brace to hold scapula and arms laterally from the thorax
  • Transmit compressive forces from the upper limb to the Axial Skeleton
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15
Q

What is usually fractured when a person lands on his/her hand

A

Clavicle

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16
Q

AKA Shoulder Blade

A

Scapula

17
Q

Thin, traingular flat bones on the dorsum of the ribcage

A

Scapula

18
Q

The Scapula is found at which level of the ribcage

A

2nd - 7th ribs

19
Q

Medial Border of the Scapula

A

Vertebral Border

20
Q

Lateral border of the scapula

A

Axillary Border

21
Q

What forms the Shoulder Joint

A

Articulation of the Glenoid Cavity (Fossa) with the Humeral Head

22
Q

What muscles attach to the Coracoid Process

A
  • Pectoralis Minor
  • Short Head of Biceps Brachii
  • Corachobrachialis
23
Q

Passageway of the Suprascapular nerve

A

Suprascapular Notch

24
Q

What structure is found posteriorly at the level of TV3
* It ends laterally as the __ which articulates with __ to form the acromioclavicular joint

A

Spine of the Scapula
* Ends laterally as the Acromion which articulates with the Acromial end of the clavicle to form the acromioclavicular joint

25
Q

Fossa located superior to the spinous process
* What muscle attaches to this fossa

A

Supraspinous Fossa
* Supraspinatus muscle

26
Q

Fossa located inferior to the spinous process
* Muscle that attaches to this fossa

A

Infraspinous Fossa
* Infraspinatus muscle

27
Q

Fossa located anterior to the scapula
* Muscle attached

A

Subscapular Fossa
* Subscpularis muscle

[ANA} Appendicular Skeleton (4 decks)

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