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Anatomy of Upper Extremities > Shoulder Joint > Flashcards

Shoulder Joint Flashcards

0
Q

What are the Scapular Landmarks?

A 
~Glenoid Fossa
~Subscapular Fossa
~Infraspinous Fossa
~Supraspinous Fossa
~Lateral Border
~Medial Border
~Labrum (Fibrocartilaginous)
~Acromion Process
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1
Q

What are the four groups of motions that are possible at the shoulder?

A

Flexion/Extension
ABduction/ADduction
Medial/Lateral Rotation
Horizontal ABduction/ADduction

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2
Q

What are the Humeral Landmarks?

A 
~Head of Humerous
~Anatomical Neck
~Surgical Neck
~Shaft of the Humerous
~Greater Tubercle
~Lesser Tubercle
~Deltoid Tuberosity
~Intubecular Groove
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3
Q

What muscles make up the Rotator Cuff?

A

Supraspinatus S
Infraspinatus I
Teres Minor T
Subscapularis S

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4
Q

What are two types of Bursae?

A

Subdeltoid (located between the deltoid and the joint capsule)
Subacromial (Lies below the acromion and coracoacromial ligament.)

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5
Q

What does the rotator cuff do?

A

These muscles help keep the head of the humerus “rotating” against the glenoid fossa during joint motion.

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6
Q

What all is involved in shoulder stability?

A
  • Glenoid Labrum
  • Glenoid Fossa Anterior/Lateral and Upward Direction
  • Coracohumeral and Glenohumeral Ligaments Reinforce Joint Capsules
  • Capsule completely surrounds the fossa, creates partial vaccum
  • Rotator Cuff Muscle
  • Shoulder Muscle
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7
Q

Define the OIAN of the Anterior Deltoid.

A 
O: Anterior: Lateral 1/3 of clavicle 
I: Deltoid Tuberosity
A: Flexion
    Medially Rotate
    Horizontal ADduction
    ABduction

N: Axillary C5,6

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8
Q

Define the OIAN of the Middle Deltoid.

A

O: Acromion Process
I: Deltoid Tuberosity
A: ABduction

N: Auxillary C5,6

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9
Q

Define the OIAN of the Posterior Deltoid.

A

O: Spine of Scapula
I: Deltoid Tuberosity
A: Extension, Lateral Rotation, Horizontal ABduction, ADduction

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10
Q

Define the OIAN of the Supraspinatus.

A

O: Supraspinous Fossa of Scapula
I: Greater Tuberosity of Humerous
A: Shoulder ABduction, Stabilizes head of Humerus in Glenoid Cavity

N: Suprascapular, C5,6

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11
Q

Define the OIAN of the Pectoralis Major.

A 
O: Medial Half of Clavicle
     Sternum
     Cartilage of ribs 1-6
I: Crest of Greater Tubercle of Humerous
A: (all fibers) ADduct the Shoulder
     Medially Rotate
     Assist in Elevating Thorax during Inhalation
     (Upper Fibers) Flex Shoulder
     Horizontally ADduct
     (Lower Fibers) Extend the Shoulder

N: Lateral and Medial Pectoral, C5-T1

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12
Q

Define the OIAN of the Teres Major.

A 
O: Inferior Angle
     1/3 Lateral Border of Scapula
I: Crest & Lesser Tubercle of Humerus
A: Shoulder Extension
     ADduct
     Medially Rotate
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13
Q

Define the OIAN of the Latissimus Dorsi.

A 
O: Inferior Angle of Scapula
     Spinous Process of Last 6 Thoracic Vertebrae
     Last 3-4 Ribs
     Thorocolumbar aponeurosis 
     Post Illiac Crest
I: Intertubercular Groove of Humerus
A: Shoulder Extension
    ADduct
    Medially Rotate

N: Thoracodorsal C6,7,8

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14
Q

Define the OIAN of the Infraspinatus.

A 
O: Infraspinous Fossa of Scapula
I: Greater Tubercle of Humerus
A: Shoulder Lateral Rotation
    ADduct Shoulder
    Stabilize Head of Humerus

N: Suprascapular, C4,5,6

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15
Q

Define the OIAN of the Teres Minor.

A 
O: Upper 2/3 of Lateral Border of Scapula
I: Greater Tubercle of Humerus
A: Laterally Rotates Shoulder
    ADducts Shoulder
    Stabilizes Head of Humerus

N: Auxillary, C5,6

16
Q

What does the long head of the Triceps separate?

A

Separates the Teres Major and Teres Minor at the axilla.

17
Q

Define the OIAN of the Subscapularis.

A

O: Subscapular Fossa
I: Lesser Tubercle of Humerus
A: Medially Rotates Shoulder
Stabilizes the Head of the Humerus

N: Subscapular, C5,6,7

18
Q

Define the OIAN of the Coracobrachialis.

A

O: Coracoid Process of Scapula
I: Medial Surface of Mid-humeral Shaft
A: Flex and ADduct Shoulder

N: Musculocutaneous, C6,7

19
Q

Define the OIAN of the Subclacius.

A

O: 1st Rib and Cartilage
I: Inferior Surface of Middle 1/3 of Clavicle
A: Depress the Clavicle
Elevate 1st Rib
Stabilize the Sternoclavicular Joint

N: Subclavian C5,6

20
Q

Define the OIAN of the Biceps Brachii.

A 
O: Supraglenoid Tubercle
     Coracoid Process
I: Radial Tuberosity
   Aponeurosis of Biceps Brachii
A: Shoulder Flexion
     Elbow Flexion
     Forearm Supination

N: Musculocutaneous, C5,6

21
Q

Define the OIAN of the Triceps Brachii.

A

O: Infraglenoid Tubercle
Posterior Surface of Proximal Half of the Humerous
Posterior Surface of Distal Half of Humerus
I: Olecranon Process of Ulna
A: (ALL) Elbow Extension
(Long Head) Extend and ADduct Shoulder

N: Radial, C6,7,8,T1

22
Q

What motion occurs when the Deltoid and the Rotator Cuff Function together?

A

These muscles cause ABduction.

23
Q

Which muscles provide Flexion?

A

Anterior Deltoid

Pectoralis Major

24
Q

Which muscles provide Extension?

A

Posterior Deltoid
Latissimus Dorsi
Teres Major
Pectoralis Major

25
Q

Which muscles cause Hyperextension?

A

Latissimus Dorsi

Posterior Deltoid

26
Q

Which muscles provide ABduction?

A

Deltoid

Supraspinatus

27
Q

Which muscles provide ADduction?

A

Pectoralis Major
Teres Major
Latissimus Dorsi

28
Q

Which muscles provide Horizontal ABduction?

A

Posterior Deltoid
Infraspinatus
Teres Minor

29
Q

Which muscles provide Horizontal ADduction?

A

Pectoralis Major

Anterior Deltoid

30
Q

Which muscles provide Lateral Rotation?

A

Infraspinatus
Teres Minor
Posterior Deltoid

31
Q

Which muscles provide Medial Rotation?

A 
Latissimus Dorsi
Teres Major
Subscapularis
Pectoralis Major
Anterior Deltoid
32
Q

What is SITS an acronym for?

A

Supraspinatus
Infraspinatus
Teres Minor
Subscapularis

33
Q

SITS is an acronym. Knowing what the acronym stands for, which ones are inserted into the Greater Tubercle and which ones insert into the Lesser Tubercle?

A

Greater:
~Supraspinatus
~Infraspinatus
~Teres Minor

Lesser:
~Subscapularis

34
Q

What Spinous Process is equal with the Spine of the Scapula?

A

T2

35
Q

When asked what type of joint the shoulder is and FLUID is mentioned with it, what is the name of that joint?

A

Synovial Joint

36
Q

When asked what type of joint the shoulder is you would say?

A

Ball and Socket

37
Q

What do all of the deltoids do together?

A

ABduct

Anatomy of Upper Extremities (8 decks)

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