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Scapular and pectoral region > Scapular and Pectoral Region > Flashcards

Scapular and Pectoral Region Flashcards

1
Q

What is one of the most freq. fractured bones?

A

Clavicle

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2
Q

What type of joint is the sternoclavicular joint, what else is unique about this attachment

A

Saddle joint

Only place of bony attachment of the UE to the axial skeleton

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3
Q

Where is the clavicle likely to break about 70% of the time

A

In the middle

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4
Q

Where do about 25 % of clavicular fractures occur

A

the lateral third

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5
Q

Where is the fracture of the clavicle most rare ( 2-5%)- what is an additional risk to injuring this part

A

Meidal 1/3 where it attaches to the sternum

may puncture the veins/arteries in this region

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6
Q

How does tenting/ clavicular shortening occur

A

Muscles pull the clavicle superior, and the lateral portion anterioly and inferiorly (pectoralis major) resulting in tenting and clavicular shortening

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7
Q

What ligament traverses the suprascapulrar notch

A

Superior transverse scapular ligament

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8
Q

What goes over and what goes under the superior transverse scapular ligamen

A

Suprascapular Nerve goes UNDER

Suprascapular artery goes Over

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9
Q

What nerve is in direct contact with the surgical neck

A

axillary n.

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10
Q

What nerve is in direct contact with: radial groove

A

radial

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11
Q

Distal end of the humerus is in contact with what nerve

A

Median

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12
Q

What nerve is in contact with the Medial epicondyle

A

Ulnar

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13
Q

What ligaments support the sternoclavicular joint

A

anterior and posterior sternoclavicular ligaments, interclavicular ligament, costoclavicular ligament

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14
Q

What type of joint is the acromioclavicular joint

A

Plane (synovial)

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15
Q

What ligaments are involved in the AC joint

A

acromioclavicular ligament
Coracoclavicular ligaments
Conoid
Trapezoid

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16
Q

What ligament is involved in reinforcing the glenohumeral joint and NOT articulation of the clavicle and scapula

A

Coracoacromial ligament

- stops abduction

17
Q

3 types of shoulder separations

A

Type 1- no torn ligaments, only sprained/strained AC ligament

Type 2- Torn AC ligament, sprained coracoclavicular ligaments

Type 3- Torn AC and CC ligaments

18
Q

What type of joint is the glenohumeral joint

A

Ball and socket (synovial)

19
Q

What are the three ranges of motion of the glenohumeral joint

A
  1. Transverse/horizantal (thru the head of the humerus into the glenoid fossa): Flexion and extension
  2. Anterior/Posterior: Abduction and adduction
  3. Long axis (down the shaft of the humerus): medial and lateral rotation
20
Q

Borders of the quadrangular space

A

Teres minor (superior)
Teres Major (inferior)
Surgical neck of the humerus (lateral)
Long head of triceps (medially)

21
Q

Whats in the quadrangular space

A 
Posterior circumflex humeral artery (3rd branch) 
Axillary Nerve (C5 and 6)
22
Q

What are the borders of the triangular interval

A

Long head of triceps (medially)
Teres Major
Lateral head of triceps (laterally)

23
Q

What is found in the triangular interval

A

profundus brachii a.

Radial N

24
Q

What is in the triangular space

A

circumflex scapular artery

25
Q

What are the borders of the triangular space

A 
Teres Minor (superiorly) 
Teres major (Inferiorly)
Long head of triceps (laterally)
26
Q

What would a “winged scapula” indicate

A

Injured long thoracic nerve affecting serratus anterior
scapula moves laterally and posteriorly away from thoracic wall (esp. when pushing against a wall)
Cant abduct more than horizantally

27
Q

Borders of triangle of ascultation

A

Trapezius
Medial border of scapula
Latissimus dorsi
* no muscles can hear breath sounds

28
Q

Sx of accessory Nerve

A

ipsilateral weakness when shoulders are elevated (shrugged) against resistance

29
Q

Sx of thoracodrosal n, injury

A
  • surgery in axilla
  • unable to raise the truk with the upper limbs
    cannot use axillary clutch

Scapular and pectoral region (1 decks)

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