origin and insertion of shoulder girdle Flashcards

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1
Q

origin and insertion of anterior head of deltoid

A

origin - lateral third of clavicle

insertion - deltoid tuberosity lateral side of humerus

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2
Q

if origin of deltoid is lateral third of clavicle and insertion of deltoid is deltoid tuberosity actions of anterior head of deltoid

A

flexion and medial rotation

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3
Q

origin and insertion of middle head of deltoid

A

origin - acromion

insertion - deltoid tuberosity lateral side of humerus

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4
Q

if origin and insertion of middle head of deltoid is acromion and deltoid tuberosity of humerus what are its actions

A

abduction

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5
Q

origin and insertion of posterior head of deltoid

A

origin - spine of scapula

insertion - deltoid tuberosity lateral side of humerus

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6
Q

if origin and insertion of posterior head of deltoid was spine of scapula and deltoid tuberosity of humerus what are its actions

A

extension and lateral rotation

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7
Q

origin and insertion of infraspinatus

A

origin - posterior surface of scapula

insertion - middle facet of humerus

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8
Q

origin and insertion of supraspinatus

A

origin - supraspinatus fossa of scapula

insertion - superior facet of humerus

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9
Q

if origin and insertion of infraspinatus is posterior surface of scapula and middle facet of humerus what are its actions

A

lateral rotation

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10
Q

if origin and insertion of supraspinatus is supraspinatus fossa of scapula and superior facet of humerus what are its actions

A

assist in abduction and stabilise humerus

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11
Q

origin and insertion of teres minor

A

origin - lateral border of scapula

insertion - inferior facet of humerus

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12
Q

if origin and insertion of teres minor is lateral border of scapula and inferior facet of humerus what are its actions

A

lateral rotation

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13
Q

origin and insertion of teres major

A

origin - inferior angle of scapula

insertion - intertubercular groove of humerus

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14
Q

if origin and insertion of teres major is inferior angle of scapula and intertubercular groove of humerus what are its actions

A

extension,
abduction
medial rotation

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15
Q

origin and insertion of subscapularis

A

origin - subscapular fossa of scapula

insertion - lesser tubercle of humerus

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16
Q

if origin and insertion of subscapularis is subscapular fossa of scapula and lesser tubercle of humerus what are its actions

A

medial rotation

prevent anterior displacement of humerus

17
Q

Origin and insertion of coracobrachialis

A

origin - coracoid process of scapula

insertion - medial surface border of humerus

18
Q

if origin and insertion of coracobrachialis is coracoid process of scapula and medial surface border of humerus what are its actions

A

adduction

flexion

19
Q

origin and insertion of latissimus dorsi

A

origin - spinous process of T7-12, L1-5, sacrum thoracolumbar fascia
insertion - intertubercular groove

20
Q

action of latissimus dorsi

A

medial rotation, adduction, extension

21
Q

origin and insertion of pectoralis major

A

origin - anterior surface of sternal portion of clavicle, sternum,
insertion - crest of greater tubercle of humerus

22
Q

action of pectoralis major

A

adduction
flexion
medial rotation

23
Q

origin and insertion of trapezius

A

origin - occipital bone, ligamentum nuchae, spinous process of T1-12
insertion - lateral third of clavicle, acromion, spine of scapula

24
Q

action of trapezius

A
rotation
retraction
elevation
depression
extends neck
25
Q

origin and insertion of rhomboid minor

A

origin - spinous process C7-T1

insertion - medial border of scapula and scapula spine

26
Q

action of rhomboid minor

A

steadies scapula

27
Q

origin and insertion of rhomboid major

A

origin - spinous process T2-5

insertion - medial border of scapula

28
Q

action of rhomboid major

A

steadies scapula