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

week 8- Shoulder Flashcards

(90 cards)

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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
Where is the trochlea located
Infeiorlu and medially square on end of numerous
26
What makes up the condyle of the humorous
Capitellum Trochlea
27
Where is the deltoid tuberosity located
Superior to anterior lateral surface of the numerous
28
Where is the crest of greater tuberosity located
Laterally and infeiorly of the greater tuberosity
29
Where is the intertubercular located
Anteriorly and slightly lateriorly on the humorous. Next to lesser and Greater trochanter
30
Where is the anatomical neck located
Infeirorly and laterally to thr head of the numerous
31
What type of joint is the scapulothoracic joint and where is it located
Pseudo joint Between scapula and posterior thorax
32
What shape is the humoral head
Sphere
33
Sarrautus anterior
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
34
Rhomboidal origin
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
35
Trapezious origin
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
36
What makes up the shoulder cuff
Teres minor- muscle Supraspinatous tendon Subscapularis tendon Infraspinatus tendon
37
What is located superiorly on the rotator cuff
Supraspinatus
38
What is located inferiority on shoulder cuff
Teres minor
39
Where is subscapularis located
Most laterally, end of ball of shoulder
40
What is the nerve plexus called of the shoulder
Brachial plexus
41
Name the shallow cavity in the scapulae
Glenoid cavity (for socket head)
42
What is attached around the Glenoid fossa
Fibrocartilaginous Fir ours ring Lined by synovial membrane internally and at the£ to capsule externally
43
What is the shape if the clavicle
S
44
Where does the clavicle run
From the manubrium of the sternum laterally to the scapula
45
Name the facets of the clavicle
Eternal facet Chromium facet
46
Where does the eternal end of the facet articulate
First costal cartilage (first rib) Manubriosternum
47
Name the joint on the acomium (scapula)
Acromioclavicular joint
48
Name the synovial saaddle joint between manubrium and clavicle What does it have
Sternoclavicular joint Has a fibrocartilginous disc
49
What type of joint is the acromioclavicular joint
Plane Bone on bone
50
What ligaments run between sternum and clavicle
Sternoclavicular ligaments Anterior + posterior ^
51
Where is the interclavicular ligament located
Between clavicle Runs over jugular notch
52
What ligaments joins the acromium to the clavicle What does it support
Acromioclavicular ligament Acromioclavicular joint
53
What is the scapula attatched to
Clavicle Humerous
54
What edge of the scapula is thicker
Lateral edge
55
biceps brachii origin and insertion
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
levator scapulae
transverse proess of C1-C4 i=medial border of scapulae a=elevatoin of scapulae Innervation: Dorsal scapular nerve. Blood Supply: Dorsal scapular artery.
57
trapezis origin
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
rhoboid minor
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
rhomboid major
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
teres major
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
teres minor origin
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
serratus anerior origin
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
what is the labrum
fibrous cartilage tht surrounds socket makes it more stable, more support deepens socket
64
name the joints of hsoulder girlde
Sternoclavicular joint * Acromioclavicular joint * Glenohumeral joint( Shoulder joint) * Scapulo-thoracic joint
65
movements of sternoclavicular joint
Elevation, depression of shoulders * Protraction and retraction ofshoulders * Some rotation
66
scapulo thoracic jint movements
Elevation, depression, protraction, retraction, rotation
67
movements of shoulder girdle
Elevation* Depression* Protraction* Retraction* Medial rotation* Lateral rotation
68
which ,uscles allow flexion of shoulder
*Pectoralis major *Deltoid (anterior fibres) *Coracobrachialis *Biceps brachii
69
coracobrachialis origin
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
extensors of shoulder
*Deltoid (posteriorfibres) *Teres major* From fully flexed position *Latissimus dorsi *Pectoralis major(sternocostal part)
71
deltoid origin
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
abductors of shoulder
0° - 15° - Supraspinatus*15°-90° - Deltoid* 90° -180°- TrapeziusSerratus anterior
73
adductors of shoulder
Pectoralis major *Latissimus dorsi*Teres major *Deltoid (anterior and posteriorfibres
74
medial rotators
Pectoralis major Deltoid (anterior fibres) Latissimus dor
75
lateral rotators
Infraspinatus Teres minor
76
what does painful arc syndrome affec
Chronic thickening of rotator cuff Impingement and pain between 60° to 120° abduction
77
Supraspinatus origin and insertion
Origin: Supraspinous fossa of scapula Insertion: greater tubercle of humerous
78
Infraspinatus origin and insertion
Origin: infraspanatus fossa Insertion: tuberosity of humerous
79
Subscapularis origin and insertion
Origin: Subscapularis fossa Insertion: lesser tubercle of humerous
80
Teres minor origin and insertion
Origin: posterior surface of scapula Insertion: greater tubercle of the humerous
81
What is axis of motion of internal rotation , arm bent 90 tucked into side
70
82
What is axis of motion of external rotation, arm bent 90
60
83
What is axis of motion of abduction
160
84
What is axis of motion of addiction from anatomical position
20-40
85
What is range of movement, from side straight arm, posteriorly
40-50
86
What is range of movement, from side straight arm, anteriorly
130-160
87
What is range of movement, from anatomical position, superior extension of straightened arm
150-170
88
What is range of movement, from anatomical position, posteiroly extension of straightened arm
40
89
What is the external rotation (Up) of a 90 degree flexed arm
90
90
What is the internal rotation degree from an arm 90 degree flexed (down)
70

Clinical Anatomy- Term 1 (16 decks)

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