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Musculoskeletal System > Shoulder Girdle and Joint > Flashcards

Shoulder Girdle and Joint Flashcards

(61 cards)

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1
Q

Ligaments

A

Glenohumeral ligaments
- Superior
- Middle
- Inferior
Coracohumeral ligament
Transverse humeral ligament
Coraco-acromial ligament

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2
Q

Bursae

A

Subtendinous bursa
Subacromial bursa
Subdeltoid bursa

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3
Q

TRAPEZIUS (Origin)

A

Superior nuchal line
External Occipital protuberance
Nuchal ligament
Spinous Process C7 to T12

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4
Q

TRAPEZIUS (Insertion)

A
  1. UPPER fibres - lateral 1/3 clavicle
  2. MIDDLE fibres - acromion and scapula spine
  3. LOWER fibres - tubercle of scapula spine
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5
Q

TRAPEZIUS (Action)

A
  1. UPPER = Elevation, Abduction beyond 90°
  2. MIDDLE = Retraction
  3. LOWER = Depression
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6
Q

TRAPEZIUS (Innervation)

A

Accessory Nerve (CN XI)

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7
Q

LEVATOR SCAPULAE (Origin)

A

Transverse processes C1-C4

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8
Q

LEVATOR SCAPULAE (Insertion)

A

Superior part of Medial border of scapula

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9
Q

LEVATOR SCAPULAE (Action)

A

Elevation of shoulder
Lateral rotation of scapula

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10
Q

LEVATOR SCAPULAE (Innervation)

A

Dorsal Scapular Nerve (C5)
Anterior rami C3- C5

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11
Q

RHOMBOID MINOR (Origin)

A

Lower end nuchal ligament
Spinous Process C7-T1

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12
Q

RHOMBOID MINOR (Insertion)

A

Medial border of scapula … to … root of spine of scapula

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13
Q

RHOMBOID MAJOR (Origin)

A

Spinous Process T1-T4

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14
Q

RHOMBOID MAJOR (Insertion)

A

Medial border of scapula … to … inferior angle of scapula

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15
Q

RHOMBOID MINOR AND MAJOR (Action)

A

Holds scapula against thoracic wall
Retracts scapula
Assists in elevation of scapula

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16
Q

RHOMBOID MINOR AND MAJOR (Innervation)

A

Dorsal Scapular Nerve (C4-C5)

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17
Q

SERRATUS ANTERIOR (Origin)

A

Ribs 1-8
(Finger-like processes)

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18
Q

SERRATUS ANTERIOR (Insertion)

A

Costal surface of Medial border of scapula

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19
Q

SERRATUS ANTERIOR (Action)

A

Holds scapula against thoracic wall
Protraction and Rotation of scapula

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20
Q

SERRATUS ANTERIOR (Innervation)

A

Long Thoracic Nerve (C5-C7)

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21
Q

SUBCLAVIUS (Origin)

A

1st Rib and costal cartilage

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22
Q

SUBCLAVIUS (Insertion)

A

Inferior surface of Middle 1/3 clavicle

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23
Q

SUBCLAVIUS (Action)

A

Anchors and Depresses clavicle

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24
Q

SUBCLAVIUS (Innervation)

A

Nerve to subclavius (C5-C6)

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25
PECTORALIS MAJOR (Origin)
Anterior border of Medial half of clavicle Anterior surface of Sternum and Ribs 1-7 costal cartilage Aponeurosis of External Oblique muscle
26
PECTORALIS MAJOR (Insertion)
Lateral lip of intertubercular sulcus of humerus
27
PECTORALIS MAJOR (Action)
Adduction Medial rotation Clavicular fibres flex at shoulder joint
28
PECTORALIS MAJOR (Innervation)
Medial Pectoral Nerve Lateral Pectoral Nerve
29
PECTORALIS MINOR (Origin)
Anterior surfaces and Superior border of Ribs 3-5
30
PECTORALIS MINOR (Insertion)
Medial border of Coracoid process of scapula
31
PECTORALIS MINOR (Action)
Protracts and Depresses shoulder
32
PECTORALIS MINOR (Innervation)
Medial Pectoral Nerve
33
LATISSIMUS DORSI (Origin)
Spinous Processes T7- L5 Posterior surface of Sacrum Posterior part of Iliac crest Rib 9-12
34
LATISSIMUS DORSI (Origin)
Floor of intertubercular sulcus
35
LATISSIMUS DORSI (Action)
Extension Medial rotation Adduction
36
LATISSIMUS DORSI (Innervation)
Thoracodorsal Nerve (C6-C8)
37
DELTOID (Origin)
Anterior border of Lateral 1/3 of Clavicle Inferior lip of spine of scapula Lateral border of Acromion
38
DELTOID (Insertion)
Deltoid tuberosity of humerus
39
DELTOID (Action)
Abduction 15°-90° ANTERIOR fibres - flex and medially rotate POSTERIOR fibres - extend and laterally rotate
40
DELTOID (Innervation)
Axillary Nerve (C5-C6)
41
TERES MAJOR (Origin)
Posterior surface of inferior angle of Lateral border of scapula
42
TERES MAJOR (Insertion)
Medial lip of intertubercular sulcus
43
TERES MAJOR (Action)
Medial rotation Extension
44
TERES MAJOR (Innervation)
Lower Subscapular Nerve (C5-C7)
45
ROTATOR CUFF MUSCLES
Supraspinatus Muscle Infraspinatus Muscle Teres Minor Muscle Subscapularis Muscle
46
SUPRASPINATUS (Origin)
Supraspinous fossa
47
SUPRASPINATUS (Insertion)
Superior facet of greater tubercle of humerus
48
SUPRASPINATUS (Action)
Abduction 0°-15°
49
SUPRASPINATUS (Innervation)
Suprascapular Nerve (C5-C6)
50
INFRASPINATUS (Origin)
Infraspinous fossa
51
INFRASPINATUS (Insertion)
Middle facet of greater tubercle of humerus
52
INFRASPINATUS (Action)
Lateral Rotation
53
INFRASPINATUS (Innervation)
Suprascapular Nerve (C5-C6)
54
TERES MINOR (Origin)
Upper 2/3 of Posterior surface of Lateral border of scapula
55
TERES MINOR (Insertion)
Inferior facet of greater tubercle of humerus
56
TERES MINOR (Action)
Lateral Rotation
57
TERES MINOR (Innervation)
Axillary Nerve (C5-C6)
58
SUBSCAPULARIS (Origin)
Subscapular fossa
59
SUBSCAPULARIS (Insertion)
Lesser tubercle of humerus
60
SUBSCAPULARIS (Action)
Adduction Medial Rotation
61
SUBSCAPULARIS (Innervation)
Upper and Lower Subscapular Nerves (C5-C6)

Musculoskeletal System (17 decks)

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