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Clinical Anatomy- Term 1 > week 8- Shoulder > Flashcards

week 8- Shoulder Flashcards

1
Q

Which ribs do the scapulae usually override

A

1-8

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2
Q

Where is the inferior angle located

A

Inferior.y on the scapulae
Where the medial edge curves and goes superiorly

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3
Q

What type of joint is the shoulder joint

A

Ball and socket

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4
Q

Where is the acromium located

A

Anteriorly and laterally on the scapulae

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5
Q

Where is the acromioclavicular joint located

A

Between clavichord facet on entermomed end of acromium and

Acromial facet at lateral end of clavicle

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6
Q

What type of joint is the acromioclavicular joint

A

Synovial

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7
Q

What is the acromioclavicular joint covered by

A

Hyaline cartilage

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8
Q

What lines the capsule of acromioclavicular joint

A

Synovial membranes

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9
Q

What type of joint is the sternoclavicular joint

A

Synovial selllar
Saddle joint

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10
Q

What is the artcicular surface of the clavicle larger than

A

Sternum surface

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11
Q

What does the sternoclavicular joint allow

A

Movement of the clavicle

  • upward elevation
  • forward and backwards movement
  • rotation
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12
Q

Name the ligaments which re in force the sternoclavicular joint

A

Anterior sternoclavicular ligament
Posterior sternoclavicular ligament
Intercalvicukar lig
Costoclavicular lig

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13
Q

pectorals minor

A

3rd - 5th ribs near their costal cartilages

I= Medial border and superior surface of coracoid process of scapulae

A= Protraction
Depression
Medial rotation of scapulae

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14
Q

What type of joint is the acromioclavicul joint

A

Plane, synovial joint

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15
Q

Where does the humoral head sit

A

Glenoid cavity

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16
Q

Where is the Conoid tubercle

A

Located on the clavicle
Located quite laterally
Allows conoid ligament to attach to it and coracoid process

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17
Q

Where does the conoid ligament attach

A

Conoid tubercle (clavicle)
Medially on the Coracoid process

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18
Q

What makes up the coracoclavicular ligament

A

Conoid and trapezoid ligament

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19
Q

Where does the trapezoid ligament bind

A

Laterlly and inferior on clavicle to superior part of coracoid process

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20
Q

Where is the acromion located

A

Curve on superior part of scapulae

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21
Q

What shape is conoid ligament

A

Triangular

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22
Q

Shape of trapeziod ligament

A

Square shaped

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23
Q

Where is the medial supracondylar ridge located

A

The ridge Superior to medial epicondylitis

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24
Q

Where is the capitellum located

A

Rounded and lateral, inferior on numerous

Cap for round cap

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25
Q

Where is the trochlea located

A

Infeiorlu and medially square on end of numerous

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26
Q

What makes up the condyle of the humorous

A

Capitellum
Trochlea

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27
Q

Where is the deltoid tuberosity located

A

Superior to anterior lateral surface of the numerous

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28
Q

Where is the crest of greater tuberosity located

A

Laterally and infeiorly of the greater tuberosity

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29
Q

Where is the intertubercular located

A

Anteriorly and slightly lateriorly on the humorous. Next to lesser and Greater trochanter

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30
Q

Where is the anatomical neck located

A

Infeirorly and laterally to thr head of the numerous

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31
Q

What type of joint is the scapulothoracic joint and where is it located

A

Pseudo joint

Between scapula and posterior thorax

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32
Q

What shape is the humoral head

A

Sphere

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33
Q

Sarrautus anterior

A

0= Digitations
Upper 8 ribs and anterior intercostal membranes from mid clavicular line
Lower 4interdigitating with external oblique

I= Inner medial border scapula
1-2 upper angle
3-4 length of costal surface
5-8 inferior angle

A= Laterally rotates and protracts
Steadies scapula In initial abduction of scapula

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34
Q

Rhomboidal origin

A

Minor- nuchal ligament and spinous process of C7 and t1

Major- spinous processes of T2- T5

i=Medial border of scapulae from level of spine to inferior angle

a=Minor- retraction and stabilisation of scapula

Major- retraction and medial rotation to depress glenoid cavity

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35
Q

Trapezious origin

A

Occiput
Nuchal ligament
Spinous process C7- t12

iLateral 1/3 clavicle
Acromion
Spine of scapula

a=Elevates, retracts and rotates
Superior fibres elevate
Middle fibres retract

Superior and inferior fibres act together to assist lateral rotation of scapula

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36
Q

What makes up the shoulder cuff

A

Teres minor- muscle

Supraspinatous tendon
Subscapularis tendon
Infraspinatus tendon

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37
Q

What is located superiorly on the rotator cuff

A

Supraspinatus

38
Q

What is located inferiority on shoulder cuff

A

Teres minor

39
Q

Where is subscapularis located

A

Most laterally, end of ball of shoulder

40
Q

What is the nerve plexus called of the shoulder

A

Brachial plexus

41
Q

Name the shallow cavity in the scapulae

A

Glenoid cavity (for socket head)

42
Q

What is attached around the Glenoid fossa

A

Fibrocartilaginous
Fir ours ring

Lined by synovial membrane internally and at the£ to capsule externally

43
Q

What is the shape if the clavicle

A

S

44
Q

Where does the clavicle run

A

From the manubrium of the sternum laterally to the scapula

45
Q

Name the facets of the clavicle

A

Eternal facet
Chromium facet

46
Q

Where does the eternal end of the facet articulate

A

First costal cartilage (first rib)
Manubriosternum

47
Q

Name the joint on the acomium (scapula)

A

Acromioclavicular joint

48
Q

Name the synovial saaddle joint between manubrium and clavicle
What does it have

A

Sternoclavicular joint
Has a fibrocartilginous disc

49
Q

What type of joint is the acromioclavicular joint

A

Plane
Bone on bone

50
Q

What ligaments run between sternum and clavicle

A

Sternoclavicular ligaments
Anterior + posterior ^

51
Q

Where is the interclavicular ligament located

A

Between clavicle
Runs over jugular notch

52
Q

What ligaments joins the acromium to the clavicle
What does it support

A

Acromioclavicular ligament
Acromioclavicular joint

53
Q

What is the scapula attatched to

A

Clavicle
Humerous

54
Q

What edge of the scapula is thicker

A

Lateral edge

55
Q

biceps brachii origin and insertion

A

Long head originates from the supraglenoid tubercle of the scapula, and the short head originates from the coracoid process of the scapula.

Both heads insert distally into the radial tuberosity and the fascia of the forearm via the bicipital aponeurosis.

a=Supination of the forearm, flexion at the elbow and shoulder.

brachial artery

56
Q

levator scapulae

A

transverse proess of C1-C4

i=medial border of scapulae

a=elevatoin of scapulae

Innervation: Dorsal scapular nerve.
Blood Supply: Dorsal scapular artery.

57
Q

trapezis origin

A

Originates from the skull, nuchal ligament and the spinous processes of C7-T12.

i= fibres attach to the clavicle, acromion, and the scapula spine

a=Abduction of the upper limb at the shoulder (by rotating the scapula).
upper fibres of trapezius elevate the scapula
middle fibres retract,
lower fibres depress.

58
Q

rhoboid minor

A

Originates from the spinous processes of C7-T1 vertebrae.

i= Attaches to the medial border of the scapula, at the level of the spine of scapula.

Actions: Retraction and rotation of the scapula.

59
Q

rhomboid major

A

Originates from the spinous processes of T2-T5 vertebrae.

i= Attaches to the medial border of the scapula, between the scapula spine and inferior angle.

Retracts and rotates the scapula.

60
Q

teres major

A

Originates from the posterior surface of the inferior angle of the scapula.

i=It attaches to the medial lip of the intertubercular groove of the humerus.

a=Adduction, extension and medial rotation of the upper limb at the shoulder.

61
Q

teres minor origin

A

Originates from the posterior surface of the scapula, adjacent to its lateral border (most lateral)

i=t attaches to the greater tubercle of the humerus.

a=lateral rotation of the arm

62
Q

serratus anerior origin

A

Upper 8 ribs and anterior intercostal membranes from mid clavicular line. Lower 4 interdigitating with external oblique

i=Inner medial border scapula

1-2 upper angle
3-4 length of costal surface
5-8 inferior angle

a=Laterally Rotates and protracts . Steadies scapula in initial abduction of scapula

63
Q

what is the labrum

A

fibrous cartilage tht surrounds socket
makes it more stable, more support
deepens socket

64
Q

name the joints of hsoulder girlde

A

Sternoclavicular joint
* Acromioclavicular joint
* Glenohumeral joint( Shoulder joint)
* Scapulo-thoracic joint

65
Q

movements of sternoclavicular joint

A

Elevation, depression of shoulders
* Protraction and retraction ofshoulders
* Some rotation

66
Q

scapulo thoracic jint movements

A

Elevation, depression, protraction, retraction, rotation

67
Q

movements of shoulder girdle

A

Elevation* Depression* Protraction* Retraction* Medial rotation* Lateral rotation

68
Q

which ,uscles allow flexion of shoulder

A

*Pectoralis major
*Deltoid (anterior fibres)
*Coracobrachialis
*Biceps brachii

69
Q

coracobrachialis origin

A

coracoid process of scapula

i= passes through the axilla and attaches the medial aspect of the humerus shaft (at the level of the deltoid tubercle).

a=Flexion of the arm at the shoulder. It is also a weak adductor at the shoulder.

blood supply= Brachial artery.

70
Q

extensors of shoulder

A

*Deltoid (posteriorfibres)
Teres major

From fully flexed position
*Latissimus dorsi
*Pectoralis major(sternocostal part)

71
Q

deltoid origin

A

Originates from the lateral third of the clavicle
, the acromion and the
spine of the scapula.

i= deltoid tuberosity on the lateral aspect of the humerus.

a=Anterior fibres – flexion and medial rotation at the shoulder

Posterior fibres – extension and lateral rotation at the shoulder

Middle fibres – abduction at the shoulder (takes over from the supraspinatus, which abducts the first 15 degrees).

72
Q

abductors of shoulder

A

0° - 15° - Supraspinatus*15°-90° -

Deltoid* 90° -180°- TrapeziusSerratus anterior

73
Q

adductors of shoulder

A

Pectoralis major
Latissimus dorsiTeres major
*Deltoid (anterior and posteriorfibres

74
Q

medial rotators

A

Pectoralis major
Deltoid (anterior fibres)
Latissimus dor

75
Q

lateral rotators

A

Infraspinatus
Teres minor

76
Q

what does painful arc syndrome affec

A

Chronic thickening of rotator cuff

Impingement and pain between 60° to 120° abduction

77
Q

Supraspinatus origin and insertion

A

Origin: Supraspinous fossa of scapula
Insertion: greater tubercle of humerous

78
Q

Infraspinatus origin and insertion

A

Origin: infraspanatus fossa
Insertion: tuberosity of humerous

79
Q

Subscapularis origin and insertion

A

Origin: Subscapularis fossa
Insertion: lesser tubercle of humerous

80
Q

Teres minor origin and insertion

A

Origin: posterior surface of scapula
Insertion: greater tubercle of the humerous

81
Q

What is axis of motion of internal rotation , arm bent 90 tucked into side

A

70

82
Q

What is axis of motion of external rotation, arm bent 90

A

60

83
Q

What is axis of motion of abduction

A

160

84
Q

What is axis of motion of addiction from anatomical position

A

20-40

85
Q

What is range of movement, from side straight arm, posteriorly

A

40-50

86
Q

What is range of movement, from side straight arm, anteriorly

A

130-160

87
Q

What is range of movement, from anatomical position, superior extension of straightened arm

A

150-170

88
Q

What is range of movement, from anatomical position, posteiroly extension of straightened arm

A

40

89
Q

What is the external rotation (Up) of a 90 degree flexed arm

A

90

90
Q

What is the internal rotation degree from an arm 90 degree flexed (down)

A

70

Clinical Anatomy- Term 1 (15 decks)

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