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Functional Musculoskeletal Anatomy A > Week 2: Introductory Myology > Flashcards

Week 2: Introductory Myology Flashcards

1
Q

What are the groups of muscles that are in the shoulder region?

A

axio/scapulo/claviculo-humeral muscles (attach to humerus), axioscapular muscles and rotator cuff muscles

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2
Q

What are the attachments of pectoralis major?

A

sternal head= sternum to intertubercular groove of humerus

clavicular head= clavicle to humerus

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3
Q

What are the actions of pectoralis major?

A

adduction, medial rotation and flexion

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4
Q

What are the attachments of latissimus dorsi?

A

T7-S5, ribs 9-12, inferior angle scapula to intertubercular groove of humerus

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5
Q

What are the actions of latissimus dorsi?

A

adduction, medial rotation and extension

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6
Q

What are the three parts of the deltoid?

A

posterior, middle and anterior

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7
Q

What are the attachments of the deltoid?

A

scapula spine, acromion, clavicle to deltoid tuberosity on humerus

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8
Q

What are the action of the deltoid?

A 
superior= extension, abduction, external rotation
middle= abduction
anterior= flexion, abduction
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9
Q

What are the attachments of teres major?

A

scapula to intertubercular groove on humerus

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10
Q

What are the attachments of the coracobrachialis?

A

coracoid process to mid shaft of humerus

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11
Q

What are the actions of the coracobrachialis?

A

adduction and flexion

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12
Q

What are the attachments of biceps brachii?

A

long head= supraglenoid tubercle to radial tuberosity

short head= coracoid process to radial tuberosity

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13
Q

What are the actions of biceps brachii?

A

flexion of glenohumeral joint, elbow flexion and forearm supination

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14
Q

What are the attachments of triceps brachii?

A

long head= scapula-infraglenoid tubercle to olecranon process of elbow
lateral head= superior of radial groove to olecranon
medial head= inferior to radial groove to olecranon

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15
Q

What are the actions of triceps brachii?

A

extension of shoulder and elbow

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16
Q

What are the attachments of the trapezius?

A

T1-T12 to clavicle, acromion and spine of scapula

17
Q

What are the actions of the trapezius?

A 
upper= elevation and lateral rotation of scapula
middle= retraction of scapula
lower= retraction and lateral rotation of scapula
18
Q

What is the attachment of levator scapulae?

A

C1-C4 to medial border of scapula

19
Q

What are the actions of levator scapulae?

A

elevation of scapula

20
Q

What is the attachment of rhomboid minor?

A

C7-T1 to medial border of scapula

21
Q

What are the actions of rhomboid minor?

A

retract scapula

22
Q

What is the attachment of rhomboid major?

A

T2-T5 to medial border of scapula

23
Q

What are the actions of rhomboid major?

A

retract scapula

24
Q

What are the attachments of pectoralis minor?

A

ribs 3-5 to coracoid process

25
Q

What are the actions of pectoralis minor?

A

protraction, medial rotation and forward tilting of scapula

26
Q

What are the attachments of serratus anterior?

A

ribs 1-9 to medial border and inferior angle of scapula

27
Q

What are the actions of serratus anterior?

A

lateral rotation and protraction of scapula

28
Q

What are the attachments of the supraspinatus?

A

supraspinous fossa to greater tubercle

29
Q

What are the actions of supraspinatus?

A

external rotation and abduction

30
Q

What are the attachments of infraspinatus?

A

infraspinous fossa on posterior border of scapula to greater tubercle

31
Q

What are the actions of infraspinatus?

A

externa rotation of humerus

32
Q

What are the attachments of teres minor?

A

lateral border of scapula to greater tubercle

33
Q

What are the actions of teres minor?

A

external rotation of humerus

34
Q

What are the attachments of subscapularis?

A

anterior surface of scapula (subscapular fossa) to lesser tubercle

35
Q

What are the actions of the subscapularis?

A

internal rotation of humerus

36
Q

What are the different skeletal muscle attachments?

A

tendons (cord), aponeurosis (sheet), ‘fleshy’ (epimysium) and raphe (directly attach to another muscle)

Functional Musculoskeletal Anatomy A (12 decks)

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