Test 1 Shoulder Flashcards

1
Q

6 muscles that support and move the scapula

A

1) trapezius 2) rhomboids 3) levator scapulae 4) serratus

anterior 5) Latissimus Dorsi 6) Pectoralis Minor

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2
Q

3 types of acromion morphology

A

1) flat undersurface
2) slightly convex
3) hooked, which
can predispose the
shoulder to rotator
cuff pathology

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3
Q

Coracoid process is a lever for the ___ to help stabilize the ___

A

pectoralis major

scapula

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4
Q

What attaches at the greater tuberosity of humerus?

A

Supraspinatus, infraspinatus, teres minor

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5
Q

What attaches at lesser tuberosity?

A

Subscapularis

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6
Q

Superior GH ligament limits which motions?

A

external rotation and inferior translation of humeral head with arm at the side

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7
Q

Middle GH ligament limits which motions?

A

External rotation and anterior translations of humeral head with arm in 0 degrees and 45 degrees of abduction

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8
Q

Inferior GH ligament consists of a __ and __ band and an ___ with varying functions

A

Anterior
Posterior
Axillary pouch

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9
Q

Coracohumeral ligament covers the __ ligament ___, and fills the space beween the tendons of __ and __ muscles, uniting these tendons to complete the rotator cuff in this area.

A

GH
anterior-superiorly
supraspinatus
subscapularis

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10
Q

Coracoacromial ligament function

A

Prevents separation of A-C joint surfaces

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11
Q

What forms the coracoacromial arch?

A

Anterior-inferior sapect of acromion, coracoacromial ligament, inferior surface of AC joint

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12
Q

When is the Suprahumeral/subacromial space at it’s narrowest?

A

Between 60-120 degrees of scaption

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13
Q

Muscle imbalances or capsular contractures can cause increases in superior translation in __ and narrow the suprahumeral soace, leading to ___.

A

humeral head

Subacromial impingemet syndrome

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14
Q

Impingement syndrome definition

A

pain in subacromial space when the humerus is elevated or internally rotated

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15
Q

What are the ranges of the pain arc of abduction (glenohumeral joint)?

A

from 45-60 degrees to 110-120 degrees

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16
Q

What are the ranges for the acromioclavicular painful arc?

A

170-180 degrees

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17
Q

Impingement syndrome: During ___ ___ the ___ tendon and __ become entrapped between the __ corner of the ___ and ___.

A
humeral flexion
supraspinatus
bursa
anteroinferior
acromion
greater tuberosity
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18
Q

Where is the hypovascular zone of the supraspinatus tendon?

A

Critical zone just proximal to the supraspinatus insertion point

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19
Q

Once the supraspinatus (and infraspinatus) tendon is disrupted there will often be further impingement and irritation which can lead to __ and further ___

A

biceps tendonitis

rupture

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20
Q

Impingement Syndrome pain is often worse at ___, as the ___ becomes ___

A

night
subacromial bursa
hyperemic

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21
Q

Subacromial Bursa provides two smooth ___ layers, one of which adheres to the overlying ___ muscle and the other to the ___ beneath.

A

serosal
deltoid
rotator cuff

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22
Q

Erbs palsy is an ____ brachial plexus injury can be from forceful ___ of the shoulder during birth or trauma later in life. Patient presents with a ___ and ___ shoulder. ___ reflex is lost.

A
Upper
depression
internally rotated
adducted 
biceps
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23
Q

Klumpke’s Palsy is a ___ brachial plexus injury from forceful pulling of the ___ during birth. This impairs ___ ___ and movements of the ___ muscles of the ___

A
Lower (C8 & T1)
upper arm
wrist flexion
intrinsic
hand
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24
Q

Vascular supply to the rotator cuff muscles

A

Thoracoacromial A
Suprahumeral A
Subscapular A

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25
The ___ artery provides the dominant arterial supply to each of the two heads of the biceps.
brachial
26
Describe the close packed position of the GH joint
90 degrees of glenohumeral abduction and full external rotation, or full abduction and external rotation
27
Describe the open packed position of the GH joint.
55 degrees of semi-abduction and 30 degrees of horizontal abduction
28
The AC joint serves as the main articulation suspending the upper extremity from the trunk, and it is at this joint about which the ___ moves
scapula
29
The ___ and ___ ligaments are the primary support for the AC joint. These ligaments provide mainly ___ stability, with control of ___ and ___ translation as well as ___ ___ rotation
``` Conoid Trapezoid vertical superior anterior anterior axial ```
30
AC joint innervation
Suprascapular N Lat. Pectoral N Axllary N.
31
AC joint blood supply
Branches of Suprascapular and Thoracoacromial Arteries
32
At the SC joint in close-packed position, the joint is maximum arm ___ and ___
elevation | protraction
33
At the __ joint in open-packed position is yet to be determined, but is likely to be when the arm is by the ___.
SC | side
34
Name the ligaments that support the SC joint
Anterior Sternoclavicular Posterior Sternoclavicular Interclavicular Costoclavicular
35
Tzitze's Syndrome AKA ___: Etiology is ___. Pain and swelling of one or more ___ may occur gradually or suddenly. Pain may radiate to _(3)_. ___ and ___ can irritate the junctions.
``` Costochondritis unknown costocartilages shoulder, neck, arm direct trauma coughing ```
36
What muscles are the scapular pivoters?
Trapezius Serratus Anterior Levator Scapular Rhomboids
37
What muscles are the Shoulder Protectors?
Rotator Cuff muscles and Biceps Brachii
38
What muscles are the humeral positioners?
Three parts of deltoid
39
Frozen Shoulder is an an inflammation of the ___ layers causing and outpouring secretion of exudate which contains ___. The microscopic layers attach from adjacent synovial layers which then multiply, thickcn, and shorten (___ process)
synovial protein adhesive
40
With frozen shoulder, the patient will have no __ motion, only __ motion. Progressive limitation of motion continues until complete ___ stops the pain.
GH ST Ankylosing
41
During the first 30 degrees of upward rotation of the scapula, the __ and upper and lower divisions of the ___ muscle are the principle upward rotators.
serratus anterior | trapezius
42
3 possible causes of Shoulder Girdle Dysfunction
1. Compromise of passive restraint components 2. Compromise of neuromusular system's production or control of motion 3. Compromise of one or more of the neighboring joints
43
Most common complaints associated with shoulder pathology
``` Pain Instability Swelling Stiffness Deformity ```
44
Overhead exertion with repetitive motion is common in which Diagnoses?
Subacromial Bursitis Impingement Syndromes Rotor Cuff problems
45
FOOSH injuries can result in what Diagnoses?
``` Sprain/Strains AC separation Clavicular fx GH fx Dislocations ```
46
Most common dislocation of the GH joint
Anterior/Inferior
47
Recurrent dislocations after initial GH joint disloction is greater than __% in pts. aged 25 years or younger. Presents with __ shoulder appearance. Recurrent dislocations can lead to __ ___.
95 squared degenerative Arthritis
48
Grade 2 and 3 AC separations cause a considerable amount of ___. Grade 3 separations usually cause a noticeable __ on the shoulder.
swelling | bump
49
MOI for clavicular fractures is usually __ injuries. Pt has difficulty __ the arm past __ degrees. Horizontal ___ is painful
FOOSH elevating 60 adduction
50
What is one of the most common causes of numbness in the shoulder and down into the arm?
Cervical or upper thoracic nerve root involvement- either from segmental nerve roots or brachial plexus
51
What are possible causes of insidious shoulder pain?
``` RA Lupus Gallbladder Liver Disease Chronic Resp. and CV conditions ```
52
Sprengel's Deformity is a ___ abnormality characterized by a partially ___ scapula. This condition develops prior to the ___ month of skeletal development and shows a __ ratio of female predominance.
Congenital undescended 3rd 2:1
53
In Sprengel's Deformity, pt. shows __ of scapula with reduction of ___ in the arm.
elevation | abduction
54
Scapular winging mode of injury is usually caused by stretching during ___, severance of the nerve during surgery (___), or a direct trauma to the side of the neck to the base of the ___.
heavy lifting mastectomy cervical vertebrae
55
Juvenile Kyphosis AKA
Scheuermann's Disease
56
*Scheuermann's Disease is evident in mid and lower thoracic regions in which at least ___ contiguous involved vertebrae are wedged ___ more than ___ degrees. Shows a slight __ predominance and is most common from __-__ years of age
``` 3 anteriorly 5 males 13-17 ```
57
Scheuermann's Disease etiology is ___ and shows a cosmetic deformity with a predesposition thoracic disk ___ and premature ___ changes.
unknown heniation degenerative
58
Characteristic radiological features of Scheuermann's include ___ wedging, irregular ___, and loss of Intervertebral disc ___.
Anterior vertebral end plates heights
59
Some __-__% of scoliosis cases occur in women. Initial complaint may be fatigue in __ region after sitting and standing for long periods. This may be followed by ___ backaches in area of strain, such as ___ pain. Pain may increase as irritation of ___ increases.
``` 60-80 lumbar muscular lumbosacral ligaments ```
60
Many people with severe curvatures (scoliosis) suffer from __ and __ disease secondary to reduced ___ volume.
Cardiovascular Pulmonary Thoracic Cage
61
* Functional Scoliosis is a ___ problem. There are no extra structural parts or rib problems, but ___ result in muscular problems.
muscular | subluxations
62
*The etiology of Structural/Congenital scoliosis is ___ and results from insult to embryo at _-_ weeks of gestation. Can be classified as failure of ___ or ___, or a combination of both.
unknown 6-8 formation segmentation