ALS Lecture 1 - Functional and Clinical Anatomy of the Shoulder DONE Flashcards

(85 cards)

1
Q

clavicle connects to sternum at

A

suprasternal notch

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2
Q

glenohumeral joint type

A

ball and socket

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3
Q

glenohumeral joint is between

A

scapula and humerus

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4
Q

label skeletal surface anatomy of shoulder

A

done

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5
Q

anterior axillary fold

A

fold in front of axilla

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6
Q

posterior axillary fold

A

fold behind axilla

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7
Q

deltoid

A

bulk of shoulder tip

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8
Q

deltopectoral groove is where

A

deltoid meets pectoralis

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9
Q

deltopectoral/clavipectoral triangle is between the

A

clavicle, top of pectoralis, deltoid

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10
Q

label the anterior muscular surface anatomy of the shoulder

A

done

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11
Q

label the posterior muscular surface anatomy of the shoulder

A

done

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12
Q

latissimus dorsi goes from

A

lower back to axilla, diagonally

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13
Q

label the proximal humerus

A

done

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14
Q

proximal humerus is made up of

A

head, anatomical neck, surgical neck, greater and lesser tubercles, deltoid tuberosity

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15
Q

head of humerus articulates with

A

glenoid cavity of scapula

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16
Q

anatomical neck

A

narrow constriction immediately below head

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17
Q

where is the epiphysis of the humerus?

A

anatomical neck (site of growth)

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18
Q

greater and lesser tubercles of humerus serve as attachment sites for

A

4 rotator cuff muscles of glenohumeral joint

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19
Q

greater and lesser tubercles of humerus are separated by

A

deep intertubercular groove

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20
Q

surgical neck of humerus

A

long bone part below anatomical neck, most likely area of fracture

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21
Q

deltoid tuberosity of humerus

A

deltoid muscle inserts

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22
Q

fracture of surgical neck of humerus can cause loss of sensation because

A

axillary nerve winds round it

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23
Q

fracture of surgical neck of humerus causes loss of sensation in…

A

sergeant’s stripe area (check diagram)

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24
Q

label the scapula

A

done

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25
processes on anterior side of scapula
coracoid and acromion
26
subscapular fossa
where subscapularis lies
27
spine of scapula ends in the...
acromion process
28
suprapinous fossa of scapula
above spine, where supraspinatus lies
29
infraspinous fossa of scapula
below spine, where infraspinatus lies
30
acromial end of clavicle is the most
lateral
31
acromial (lateral) end of clavicle articulates with
acromion process of scapula
32
sternal end of clavicle is the most
medial
33
sternal (medial) end of clavicle articulates with
manubrium of sternum and 1st costal cartilage
34
inferior surface of lateral 3rd of clavicle has a tuberosity made of the
conoid tubercle and trapezoid line
35
short muscles of rotator cuff
supraspinatus, infrapsinatus, teres minor, subscapularis
36
supraspinatus connects
supraspinous fossa of scapula to superior facet on greater tubercle on head of humerus
37
innervation of supraspinatus
suprascapular nerve (C5)
38
supraspinatus function
abducts humerus
39
infraspinatus connects
infraspinous fossa of scapula to posterior facet on greater tubercle on head of humerus
40
innervation of infraspinatus
suprascapular nerve (C5-C6)
41
infraspinatus function
externally rotates humerus
42
teres minor connects
lateral edge of scapula to inferior facet on greater tubercle on head of humerus
43
innervation of teres minor
axillary nerve (C5)
44
teres minor function
externally rotates humerus
45
subscapularis connects
subscapular fossa of scapula to lesser tubercle of humerus
46
innervation of subscapularis
subscapular nerve (C5-C6)
47
subscapularis function
internally rotates humerus
48
label short muscles of rotator cuff
done
49
label extrinsic long muscles of shoulder
done
50
coracoclavicular ligament connects
coracoid process of scapula and clavicle
51
coracoclavicular ligament is divided into
trapezoid and conoid ligament
52
coracoacromial ligament connects
coracoid and acromion processes of scapula
53
coracoaromial ligament function
deepens shoulder cavity
54
acromioclavicular ligament connects
clavicle and acromion of scapula
55
coracohumeral ligament connects
coracoid process of scapula and greater tubercle of humerus
56
glenohumeral ligament connects
lateral scapula and lesser tubercle of humerus
57
sternoclavicular ligament connects
clavicle and sternum
58
label the ligaments of the shoulder
done
59
shoulder joint
glenohumeral joint
60
glenoid cavity is ____ ____ in comparison to head of humerus
very small
61
acromioclavicular joint is the joint between the
acromion of scapula and clavicle
62
acromioclavicular joint is stablised by the
acromioclavicular ligament and coracoclavicular ligament
63
acromioclavicular joint gives us the ability to
raise arm above head
64
falls on outstretched hands force
glenoid medially, forces transmitted to clavicle via coracoclavicular ligament leading to tear of ligament or fracture of clavicle
65
sternoclavicular joint connects
manubrium of sternum and clavicle
66
labrum
fibrocartilaginous ring lines glenoid cavity
67
labrum function
deepens glenoid cavity
68
torn labrum is often the cause of
shoulder dislocation
69
frequent shoulder dislocation can lead to
labral tear
70
shoulder flexion
lift arm straight up
71
shoulder extension
move arm backwards straight
72
shoulder abduction
move arm away from body
73
shoulder adduction
move arm towards body
74
internal (medial) rotation of the shoulder
rotate forearm toward body
75
external (lateral) rotation of the shoulder
rotate forearm away from body
76
label the movements of the shoulder
done
77
between muscle and tendons at the shoulder tip is a
bursa
78
bursa is between
muscle and tendons at shoulder tip
79
a bursa is a
fluid-filled sac
80
bursa purpose
reduces friction
81
glenohumeral arc is between
60 and 120 degrees of arm lift
82
acromioclavicular arc is between
170 and 180 degrees of arm lift
83
supraspinatus tendonitis and bursitis tend to cause pain in the
glenohumeral arc
84
issues at the acromioclavicular joint tend to cause issues in the
acromioclavicular arc
85
why is abduction of the shoulder so complex?
scapula has to rotate to be fully abducted above head