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Osteology 100 > Scapula > Flashcards

Scapula Flashcards

1
Q

Where on the Skeleton is the Scapula Located

A

Pectoral/Shoulder Girdle

Appendicular Skeleton

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2
Q

Describe the Shape of the Scapulae

A

Flat and Triangular

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3
Q

The Scapulae are Located on the Trunk of the Body between which 2 Ribs

A

2nd and 7th

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4
Q

How to Differentiate between L and R

A

Glenoid Fossa faces Laterally

Coracoid Process faces Anteriorly

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5
Q

How to Differentiate between Ant and Post

A

Spine of Scapula faces Posteriorly

Subscapular Fossa faces Rib Cage (Anteriorly)

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6
Q

What Type of Bone is the Scapula

A

Flat Bone

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7
Q

Which 3 Joints are Associated with the Scapulae

A

1) Acromioclavicular Jt
2) Glenohumeral Jt
3) Scapulothoracic Jt

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8
Q

Describe the Articulating Surfaces of the Acromioclavicular Jt

A

Acromial (Lateral) end of Clavicle and Acromion Process of Scapula

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9
Q

Describe the Articulating Surfaces of the Glenohumeral Jt

A

Glenoid Fossa of Scapula and Head of the Humerus

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10
Q

Describe the Articulating Surfaces of the Scapulothoracic Jt

A

Subscapular Fossa of Scapula and Posterior Upper Rib Cage

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11
Q

Structural Classification of Acromioclavicular Jt

A

Synovial Planar/Gliding

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12
Q

Structural Classification of Glenohumeral Jt

A

Synovial Ball and Socket

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13
Q

Structural Classification of Scapulothoracic Jt

A

Not a Synovial Jt

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14
Q

Muscle Actions Associated with the Scapula (9)

A

1) Scapula Retractors
2) Scapula Protractors
3) Elevators
4) Scapula Depressors
5) Internal Rotators of Humerus
6) External Rotators of Humerus
7) Extensors of Humerus
8) Flexors of Humerus
9) ABductors of Humerus

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15
Q

What are the 11 Palpable Landmarks on the Scapula

A

1) Spine
2) Angles (3 Corners) - Superior, Medial, Inferior
3) Borders - Superior, Medial, Lateral
4) Supraglenoid Tubercle
5) Infraglenoid Tubercle
6) Tubercle of the Spine
7) Acromion Process
8) Coracoid Process
9) Supraspinous Fossa
10) Infraspinous Fossa
11) Subscapular Fossa

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16
Q

Function of Spine of Scapula

A

MA: Trapezius and Posterior Deltoid

17
Q

Function of Superior Angle

A

MA: Levator Scapula

18
Q

Function of Medial Angle (Root of the Spine)

A

MA: Rhomboid Minor and Lower Trapezius

19
Q

Function of Inferior Angle

A

MA: Teres Major and Latissimus Dorsi

20
Q

Function of Superior Border

A

MA: Levator Scapula and Omohyoid

21
Q

Function of Medial (Vertebral) Border

A

MA: Levator Scapula, Rhomboid Minor, Rhomboid Major, and Serratus Anterior (on Ant. Aspect of Medial Border)

22
Q

Function of Lateral (Axillary) Border

A

MA: Teres Minor (Superior) and Teres Major (Inferior)

23
Q

Function of Supraglenoid Tubercle

A

MA: Biceps Brachii Long Head

24
Q

Function of Infraglenoid Tubercle

A

MA: Triceps Brachii Long Head

25
Q

Function of Tubercle of the Spine

A

Widest Portion of Spine; Generally 1/3 of way from Medial Angle

26
Q

Function of Acromion Process

A

Joint Surface: Acromioclavicular Jt
MA: Trapezius and Deltoid
LA: Coracoacromial Lig., Sup and Inf Acromioclavicular Lig.

27
Q

Function of Coracoid Process

A

MA: Biceps Brachii Short Head, Pectoralis Minor, and Coracobrachialis
LA: Coracoclavicular Lig. and Coracoacromial Lig.

28
Q

Function of Supraspinous Fossa

A

MA: Supraspinatus

29
Q

Function of Infraspinous Fossa

A

MA: Infraspinatus

30
Q

Function of Subscapular Fossa

A

MA: Subscapularis

31
Q

4 Non-Palpable Landmarks of Scapula

A

1) Neck
2) Suprascapular Notch
3) Spinoglenoid Notch
4) Glenoid Fossa

32
Q

Where is the Neck of the Scapula Located

A

Medial of the Glenoid Projection

33
Q

Function and Location of Suprascapular Notch

A

F: Passageway for Nerve (Suprascapular)
MA - Infraspinatus and Supraspinatus
LA - Transverse Scapular Lig.
L: Lateral End of Superior Border

34
Q

Function and Location of Spinoglenoid Notch

A

F: Passageway for Suprascapular Nerve AND Artery
L: At Junction of Spine and Neck

35
Q

Function of Glenoid Fossa

A
  • Joint Surface: Glenohumeral Jt
  • Receives Head of Humerus
  • Attachment for Glenoid Labrum

Osteology 100 (10 decks)

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