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Anatomy > Muscles Of The Back and Upper Extemity > Flashcards

Muscles Of The Back and Upper Extemity Flashcards

1
Q

Intrinsic muscles

A

Act on vertebral column, producing it movements and maintaining posture

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2
Q

Deep muscles:

A

Rotatores
Multifidus
Semisphinalis

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3
Q

Most oblique orientation
Cross 1-2 segments
Stabilizers

A

Rotatores

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4
Q

Oblique orientation

Cross 2-4 segments

A

Multifidus

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5
Q

Erect orientation

Crosses 4-6 segments

A

Semiphinalis

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6
Q

Extrinsic muscles

A

Superficial and intermediate muscles, produce and control limb and respiratory movements

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7
Q

Intermediate muscles

A

Illiocostalis
Longisimus
Spinalis

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8
Q

Attaches at illiac crest and angles of ribs

Responsible for extension and lateral flexion

A

Illiocostalis

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9
Q

Attachments at illiac crest, posterior rib, mastoid process

A

Longisimus

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10
Q

Attachments at illiac crest, spinous process, cranium

A

Spinalis

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11
Q

Superficial muscles:

A

Splenius Cervicis

Splenius Capitus

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12
Q

Extrinsic Back Muscles

A 
Upper/mid/lower trap 
Levator scapulae
Rhomboid major
Rhomboid minor 
Serratus anterior
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13
Q

What are the attachment points of trapezius?

A
  • occiput, EOP, C7-T12

- clavicle, acromion, spine of scapula

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14
Q

Attachments of sternocleidomastoid:

A

Mastoid process
Sternum
Clavicle

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15
Q

Attachments of levitator scapula:

A 
Transverse process C1-C4
Medial boarder (superiorly)
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16
Q

attachments of serratus anterior:

A

medial boarder of scapula

ribs 1-7

17
Q

Attachments of Pectoralis Minor

A

Coracoid process

ribs 3-5

18
Q

Attachments of subclavius

A

1st rib

inferior surface of the middle third of the clavicle

19
Q

Muscles that make up the shoulder girdle:

A

supraspinatus
infraspinatus
subscapularis
teres minor

20
Q

Attachments of Supraspinatus

A

supraspinous fossa

greater tubercle

21
Q

attachments infraspinatus:

A

infraspinous fossa greater tubercle

22
Q

Attachments of subscapularis:

A

subscapular fossa

lesser tubercle

23
Q

Attachments of Teres Minor

A

lateral boarder of the scapula

Greater tubercle

24
Q

Attachments of Pectoralis major

A

Medial half of clavicle
sternum
costal cartilage
Lateral lip of intertubicular groove

25
Q

Attachments of Biceps Brachii

A

Long head: Supraglenoid tubercle
short head: Coracoid process
Common: Tuberosity of the radius

26
Q

attachments of Triceps Brachii

A

Long Head: Infraglenoid tubercle
Short Head: Posterior Humerus
Medial Head: Inferior humerus
Common: Olecranon Process

27
Q

Attachments of Teres Major:

A 
Inferior angle of scapula
intertubicular groove (wraps under humerus)
28
Q

attachments of Coracobrachialis:

A

coracoid process
Middle third of humerus
deep and medial to biceps

29
Q

attachments of Brachialis

A

anterior humerus

coronoid process of the ulna

30
Q

Attachments of Deltiod

A

Anterior: Clavicle

medial: acromion process
posterior: scapular spine

31
Q

attachments of Latissimus dorsi

A

Illiac Crest, Thoralumbasic fascia, SP T6-12

intertubicular groove of humerus

32
Q

muscles responsible for shoulder Abduction:

A

supraspinatus

deltoid

33
Q

muscles responsible for External Rotation

A

Infraspinatus

teres minor

34
Q

Muscles responsable for Internal rotation

A

Subscapularis
Pectoralis Major
Teres Major
Latissimus Dorsi

35
Q

Muscles responsable for Adduction

A

Pectoralis Major
Terres Major
Coracobrachialis
Latissimus Dorsi

36
Q

Biceps brachia are responsible for which movements:

A

Shoulder flexion
elbow flexion
supination

37
Q

Muscles responsable for Shoulder Flexion:

A

biceps brachii
deltoid
coracobrachialis

38
Q

Muscles responsable for elbow Flexion

A

triceps
brachialis
Brachioradialis

39
Q

Muscles responsable for shoulder Extension

A

deltiod

Latissimus Dorsi

Anatomy (10 decks)

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