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UNIT 7 MSK > P1 ANATOMY > Flashcards

P1 ANATOMY Flashcards

Movements of shoulder joint

1
Q

Most of the motor and
sensory nerves of the
upper limb are derived
from the

A

brachial plexus

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2
Q

name the joint and its type

A
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3
Q

name the joint and its type

A
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4
Q

name the ligament

A

coracoclavicular ligament

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5
Q

name the ligament

A

Coracoacromial
ligament

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6
Q

name the ligament

A

Costoclavicular
ligament

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7
Q

showing the interior surface of the clavicle
Q: Identify the ligament seen in this impression

A

costoclavicular ligament

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8
Q

showing lateral view of the scapula
Q: name the tubercle & what muscle originates from it

A
  • Infraglenoid tubercle
  • origin of long head of triceps
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9
Q

showing lateral view of the scapula
Q: name the tubercle & what muscle originates from it

A

-Supraglenoid tubercle
- origin of long head of biceps

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10
Q

what is the shoulder girdle

A

scapula + clavicle

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11
Q

what is the importance of the shoulder girdle

A

connects the upper limb to the axial skeleton

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12
Q

type of GLENOHUMERAL joint

A

ball & socket joint , synovial joint

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13
Q

fibrocartilage rim seen in glenoid cavity known as

A

glenoid labrum

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14
Q

Importance of glenoid labrum

A

Stability of the joint as it widens & deepens glenoid cavity

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15
Q

Fibrous capsule will be Medially attached to the

A

margin of glenoid cavity outside glenoid labrum.

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16
Q

Fibrous capsule will be laterally attached to the

A

Anatomical neck of the humerus
also medial part of surgical neck

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17
Q

Synovial membrane lines the capsule and all
intraarticular structures of joint except

A

articular cartilage.

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18
Q

name the ligament pointed by the arrow

A

Coracohumeral ligament

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19
Q

name the ligament pointed by the arrow

A

Superior transverse scapular ligament

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20
Q

name the ligament pointed by the arrow

A

Transverse humeral ligament

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21
Q

the transverse humeral ligament bridges over which muscle

A

long head of biceps

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22
Q

name the ligament pointed by the arrow

A

Coracoacromial ligament

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23
Q

Importance of Coracoacromial
ligament

A

Prevents superior displacement of
humeral head.

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24
Q

name the part of the Coracoclavicular ligament pointed by the arrow

A

Trapezoid part

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25
Q

name the part of the Coracoclavicular ligament pointed by the arrow

A

Conoid part

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26
Q

Opened shoulder joint , identify the intracapsular structure pointed by the arrow

A

long head of biceps brachii

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27
Q

mention the bursae’s found in the GLENOHUMERAL joint

A
  • subacromial / subdeltoid
  • sub-scapular
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28
Q

bursae functions as

A

Cushion between tendons & joint structures

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29
Q

showing the Ant. view of glenohumeral joint
Identify which bursae is pointed at by the arrow

A

subacromial / subdeltoid

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30
Q

showing the Ant. view of glenohumeral joint
Identify which bursae is pointed at by the arrow

A
  • sub-scapular
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31
Q

mention the 4 muscles that forms the rotator cuff

A

1- supra-spinatus
2-infra-spinatus
3- teres minor
4- subscapularis

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32
Q

showing Post. View of the joint
Identify the space marked by the blue box

A

Quadrangular space

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33
Q

what is the inferior border of of the Quadrangular space

A

teres major muscle

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34
Q

what is the lateral border of of the Quadrangular space

A

Surgical neck of humerus

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35
Q

what is the medial border of of the Quadrangular space

A

long head of triceps

36
Q

what is the superior border of of the Quadrangular space

A

teres minor

37
Q

what are the contents of the

A

axillary / circumflex nerve
post. Circumflex humeral Art.

38
Q

most common site of shoulder joint dislocation

A

Inferiorly

39
Q

what nerve is injured incase of inferior dislocation of shoulder

A

axillary nerve

40
Q

what Deformity is seen incase of axillary nerve injury

A

flat shoulder deformity

41
Q

Mention the 4 muscles that causes flexion

A

-Pectoralis major
-biceps brachii
-deltoid
- coracobrachialis

42
Q

which fibers of the deltoid are responsible for flexion

A

Anterior fibers

43
Q

Mention the 4 muscles that causes extension

A
  • Latissimus dorsi
    -teres major
  • triceps
  • Deltoid
44
Q

which fibers of the deltoid are responsible for extension

A

Posterior fibers

45
Q

muscle thats responsible for 0-15 degree abduction

A

supraspinatus

46
Q

muscle thats responsible for 15-90 degree abduction

A

middle fibers of deltoid

47
Q

muscles responsible for abduction beyond 90 degree

A

serratus anterior & trapezius.

48
Q

mention the 5 muscles that are responsible for adduction

A
  • Pectoralis major
  • latissimus dorsi
  • teres major
  • teres minor
  • subscapularis.
49
Q

mention the 3 muscles that are responsible for external or lateral rotation

A

-Infraspinatus
- teres minor
- posterior fibres of deltoid

49
Q

mention the 5 muscles that are responsible for internal or medial rotation

A
  • Subscapularis
  • pectoralis major
  • teres major
  • latissimus dorsi
  • deltoid anterior fibers
50
Q

Arterial supply to shoulder joint

A

Ant. & Post. Circumflex humeral arteries
suprascapular artery

51
Q

innervation to the shoulder joint

A

Suprascapular, axillary and lateral pectoral nerves.

52
Q

what Ligamentous factor is responsible for 2nd socket that prevents upwards dislocation

A

Coraco-acromial arch

52
Q

2 origins of PECTORALIS MAJOR MUSCLE

A

1- clavicle
2- sternocostal

53
Q

insertion of PECTORALIS MAJOR MUSCLE

A

into the lateral lip of bicipital groove

54
Q

nerve supply to PECTORALIS MAJOR MUSCLE

A

medial & lateral pectoral nerves

55
Q

origin of pectoralis minor

A

3rd , 4th & 5th ribs

56
Q

insertion of pectoralis minor

A

coracoid process of the
scapula.

57
Q

innervation of perctoralis minor

A

medial pectoral nerves.

58
Q

origin of subclavius muscle

A

1st costochondral junction

59
Q

insertion of subclavius muscle

A

subclavius groove

60
Q

innervation of subcalvius muscle

A

subclavius nerve

61
Q

origin of SERRATUS ANTERIOR MUSCLE

A

eight digits from the outer
surface of the upper 8 ribs.

62
Q

insertion of serratus Ant. muscle

A

anterior surface of the medial
border and inferior angle of scapula

63
Q

innervation of serratus Ant. muscle

A

long thoracic nerve

64
Q

innervation of trapezius muscle

A

spinal accessory nerve (motor) and C3,4 nerves

65
Q

origin of trapezius muscle

A

external occipital protuberance and
superior nuchal line& ligamentum nuchae, spine of C7 vertebra & all thoracic spines
& supraspinous ligaments.

66
Q

insertion of trapezius muscle

A

posterior border of lateral 1/3 of clavicle,
medial border of acromion &
upper border of spine of crest
of scapula

67
Q

origin of LATISSIMUS DORSI

A

spines of the dorsi muscle
lower six thoracic spines, thoracolumber fascia, outer lip of the
posterior part of iliac crest, lower
four ribs and dorsal aspect of inferior
angle of scapula.

68
Q

insertion of LATISSIMUS DORSI

A

floor of bicipital groove

69
Q

innervation of LATISSIMUS DORSI

A

thoraco-dorsal nerve

70
Q

Identify the muscle & its origin

A

Levator scapulae muscle
originates from transverse processes of
upper 4 cervical vertebrae.

71
Q

insertion of levator scapulae muscle

A

Dorsal aspect of medial border of the scapula
from the superior angle to root of spine

72
Q

innervation of levator scapulae muscle

A

Dorsal scapular
nerve (C5)

73
Q

Identify the muscle & its origin

A

Rhomboideus Minor Muscle
originates fromLower part of ligamentum
nuchae and spines of C7 & T1.

74
Q

insertion of Rhomboideus Minor

A

dorsal aspect of medial border of scapula opposite root of spine

75
Q

Identify the muscle & its origin

A

Rhomboideus Major Muscle
originates from spines of T2-T5 vertebrae

76
Q

insertion of Rhomboideus major

A

dorsal aspect of the medial border of scapula from the spine to the inferior angle.

77
Q

innervation of both Rhomboideus

A

Dorsal scapular nerve

78
Q

identify the muscle & its insertion

A

teres major inserted into the medial lip of the
bicipital groove

79
Q

Innervation of teres major

A

Lower Subscapular nerve

80
Q

identify the muscle & its insertion

A

teres minor
inserted into lower facet of greater tuberosity of
humerus

81
Q

innervation of teres minor

A

axillary nerve

82
Q

identify the muscle & its innervation

A

Subscapularis Muscle
innervated by Upper & Lower Subscapular nerves

83
Q

identify the muscle & its innervation

A

Supraspinatus Muscle
innervated by Suprascapular nerve

84
Q

identify the muscle & its insertion

A

Infraspinatus Muscle
inserted in middle facet of greater
tuberosity of humerus.

UNIT 7 MSK (23 decks)

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