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a10. MSK (Anatomy: Upper limb) > 1.3.3. The Scapula > Flashcards

1.3.3. The Scapula Flashcards

1
Q

What is the Scapula commonly known as?

A

The Shoulder Blade

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2
Q

What does the Scapula articulate with?

A
  1. The Humerus
  2. The Clavicle
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3
Q

What is the name of the joint at which the Scapula connects with the Humerus?

A

Glenohumeral Joint

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4
Q

What is the name of the joint at which the Scapula connect with the Clavicle?

A

Acromioclavicular Joint

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5
Q

What does the Scapula connect, given its attachment to the Humerus and Clavicle?

A

The Upper Limb to the Trunk

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6
Q

What is the Shape of the Scapula?

A

It is a Triangular, Flat Bone

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7
Q

How many muscles are attached onto the Scapula?

A

17

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8
Q
  1. What is the Anterior Surface of the Scapula known as?
  2. Why?
A
  1. The Costal Surface
  2. Because it is the side facing the Ribcage
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9
Q

What is the name of the Concave depression over the Costal Surface of the Scapula?

A

The Subscapular Fossa

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10
Q

Which Rotator Cuff Muscle originates from the Subscapular Fossa?

A

The Subscapularis Muscle

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11
Q

Where does the Coracoid Process originate from?

A

The Supero-Lateral surface of the Costal Scapula

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12
Q

What does the Coracoid Process look like?

A

A “Hook Projection”

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13
Q

Where does the Coracoid Process lie?

A

Just underneath the Clavicle

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14
Q

What muscles are attached to / originate from the Coracoid Process?

A
  1. The Pectoralis Major (attaches to)
  2. Coracobrachialis (originates from)
  3. Biceps Brachii (originates from)
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15
Q

What does the Lateral surface of the Scapula face?

A

The Humerus

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16
Q

What is found on the Lateral surface of the Scapula?

A
  1. The Glenohumeral Joint
  2. Other muscle attachments
17
Q

What is the name of the shallow cavity which articulates with the Humerus (to form the Glenohumeral Joint)?

A

The Glenoid Fossa

18
Q

What is the name of the Tubercle directly above the Glenoid Fossa?

A

The Supraglenoid Tubercle

19
Q

What attaches to the Supraglenoid Tubercle?

A

The Long Head of the Biceps Brachii

20
Q

What is the name of the Tubercle directly below the Glenoid Fossa?

A

The Infraglenoid Tubercle

21
Q

What attaches to the Infraglenoid Tubercle?

A

The Long Head of the Triceps Brachii

22
Q

What are attached to the posterior surface of the Scapula?

A

The majority of the Rotator Cuff Muscles

23
Q

What is the name of the most prominent feature on the posterior surface of the Scapula?

A

The Spine

24
Q

How does the Spine of the Scapula run?

A

Transversely, dividing the Posterior Surface of the Scapula into 2

25
Q

What are the 2 divisions of the Posterior Surface of the Scapula (made by the Spine)?

A
  1. Supraspinous Fossa (Above the Spine)
  2. Infraspinous Fossa (Below the Spine)
26
Q

Which is larger of the Supraspinous Fossa, and the Infraspinous Fossa?

A

The Infraspinous Fossa

27
Q

What is the shape of the Supraspinous Fossa?

A

Convex

28
Q

What muscle originates from the Supraspinous Fossa?

A

The Supraspinatus Muscle

29
Q

What is the shape of the Infraspinatus Fossa?

A

Convex

30
Q

What muscle originates from the Infraspinous Fossa?

A

The Infraspinatus Muscle

31
Q

What is the name of the Projection off of the Spine?

A

The Acromion

32
Q

What does the Acromion:
1. Articulate with?
2. Arch over?

A
  1. The Clavicle
  2. The Glenohumeral Joint
33
Q

What type of joint is the Acromioclavicular Joint?

A

A Synovial Plane

34
Q

What type of Joint is the Sternoclavicular Joint?

A

A Synovial Saddle

a10. MSK (Anatomy: Upper limb) (48 decks)

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