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Functional Anatomy > Shoulder and Pelvic Girdle > Flashcards

Shoulder and Pelvic Girdle Flashcards

1
Q

What are the 3 bones that make up the coxal/innominate bone?

A

Pubis, Ischium and Ilium

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2
Q

What are the two joints of the pelvis?

A

The Pubic Symphysis and the Sacroiliac Joint

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3
Q

What are the three primary movements of the pelvis?

A
  • APT/PPT
  • Lateral Tilting
  • Rotation
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4
Q

What spinal movements are typically associated with each pelvic movement?

A
  • APT and Lumbar Extension
  • PPT and Lumbar Flexion
  • Lateral Tilt and the opposite lateral spinal flexion
  • Rotation and the corresponding spinal rotation
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5
Q

What are the 3 types of bone in the shoulder girdle?

A

Scapulae, Clavicles, and Sternum

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6
Q

How many bones are there in the shoulder girdle?

A

5

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7
Q

what are the 5 bones of the shoulder girdle?

A

2 Scapulae, 2 Clavicles, 1 Sternum

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8
Q

What are the three joints of the shoulder girdle?

A

Sternoclavicular Joint
Acromioclavicular Joint
Scapuluthoracic Joint

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9
Q

What type of joint is the Sternoclavicular joint?

A

A fibrous saddle joint with small ROM

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10
Q

What type of joint is the Acromioclavicular joint?

A

A synovial plane/gliding joint with small ROM

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11
Q

What type of joint is the Scapulothoracic joint?

A

False or Gliding joint. Non-diarthrodial

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12
Q

What is the Glenoid Fossa?

A

A pear shaped fossa located on the lateral aspect of the scapula which acts as an articulating surface for the humerus

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13
Q

What is the Acromion process?

A

A palpable and bony prominance at the end of the scapular spine which acts as an articulating surface for the clavicle

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14
Q

What is the coracoid process?

A

a finger-like bony spur protruding from the anterior aspect of the scapula

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15
Q

What is the supraspinous fossa?

A

Fossa found on the dorsal aspect of the scapula, superior to the scapular spine

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16
Q

What is the scapular spine?

A

A raised ridge on the dorsal/posterior aspect of the scapula

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17
Q

What is the medial border of the scapula?

A

The border closest to the spine

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18
Q

What is the infraspinous fossa?

A

A fossa found on the dorsal aspect of the scapula, inferior to the scapular spine

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19
Q

What is the Origin, Insertion and Action of the Subclavius muscle?

A
  • O: First Rib and Costal Cartilage
  • I: Middle third of the clavicle
  • A: Stabilises clavicle, brings down and forward
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20
Q

What is the Origin, Insertion and Action of the Pec Minor?

A
  • O: Ribs 3-5
  • I: Medial border and superior surface of coracoid process
  • A: Scapular protraction and anterior tilting
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21
Q

What is the Origin, Insertion and Action of the Serratus anterior?

A
  • O: Ribs 1-8/9
  • I: Costal surface of medial border of scapula
  • A: Scapular Protraction and upward rotation (along with lower trap)
22
Q

What is the Origin of the Trapezius?

A
  • Occipital bone: Superior Nuchal line and external occipital protuberance
  • Ligamentum Nuchae
  • C7-T12: Spinous process and intervening supraspinous ligaments
23
Q

What is the insertion of the upper trap fibres?

A

Lateral aspect of the clavicle

24
Q

What is the insertion for the middle trap fibres?

A

Medial border of the acromion and upper lip of scapular spine

25
Q

What is the insertion for the lower trap fibres?

A

The tubercle of the spine of the scapula

26
Q

What is the function of the upper trap fibres alone?

A

Scapular Elevation

27
Q

What is the function of the middle trap fibres alone?

A

Scapular retraction

28
Q

what is the function of the upper and lower trap fibres together?

A

Upward Scapular Rotation

29
Q

What is the function of both sides of traps working together when the scaps are fixed?

A

Neck Extension

30
Q

What is the function of one side of the traps working on its own when the scaps are fixed?

A

Side flexion of neck

31
Q

What is the Origin, Insertion and Action of the Levator Scapulae?

A
  • O: C1-4 Transverse Process
  • I: Medial border of the scapula
  • A: scapular elevation, retraction and stabilisation
32
Q

What is the Origin and Insertion of the Rhomboid Major?

A
  • O: T2-5 spinous process and intervening supraspinous ligaments
  • I: Medial border of scap between spine and inferior angle, opposite the infraspinous fossa
33
Q

What is the Origin and Insertion of the Rhomboid Minor?

A
  • O: C7-T1 spinous processes and intervening supraspinous ligaments
  • I: Medial border of the scapula at the level of the scapular spine
34
Q

What is the Action of the Rhomboid Major and Minor?

A

Retraction when elevated and Downward Rotation of the Scapula

35
Q

What is the sacrum?

A

Fused vertebrae at the bottom of the spine

36
Q

What is the ilium?

A

Superior bone of the coxal/innominate bone

37
Q

What is the ischium?

A

Posterior Inferior bone of the coxal/innominate bone

38
Q

what is the pubis?

A

anterior inferior bone of the coxal/innominate bone

39
Q

What is the pubic symphysis?

A

a joint between the two articulating surfaces of the both pubic bones

40
Q

What is the sacro-iliac joint?

A

Joint between the two ilium and the sacrum

41
Q

What is the iliac crest?

A

convex superior border of the ilium

42
Q

what is the ASIS (Anterior Superior Iliac Spine)?

A

The anterior projection at the end of the iliac crest (Rectus femoris and Sartorius attachment)

43
Q

What is the PSIS (Posterior Superior Iliac Spine)?

A

Posterior projection at the end of iliac crest

44
Q

What is the ischial tuberosity?

A

Posterior projection of the ischium (hamstring attachment)

45
Q

What are the different movements of the scapula?

A
  • Elevation/Depression
  • Protraction/Retraction
  • Upward/Downward Rotation
  • Anterior/Posterior Tipping
46
Q

In/about what plane/axis of movement does Scapular protraction/retraction occur?

A

Transverse/Longitudinal

47
Q

In/about what plane/axis of movement does Scapular Elevation and Depression occur?

A

Frontal/Anteroposterior

48
Q

In/about what plane/axis of movement does Anterior and Posterior Scapular Tilting occur?

A

Sagittal/Mediolateral

49
Q

In/about what plane/axis of movement does Upward and Downward Scapular Rotation occur?

A

Frontal/Anteroposterior

50
Q

What is important to bear in mind when referring to joint movements in the shoudler girdle?

A

Movement doesn’t just happen at the scapula, but also the AC and SC joints

Functional Anatomy (8 decks)

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