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1330/2222 Human Anatomy > Unit 3 Shoulder > Flashcards

Unit 3 Shoulder Flashcards

1
Q

Blood Flow

A
  • Brachiocephalic trunk
  • Right/left subclavian artery
  • Axillary artery
  • Through brachial plexus
  • Brachial artery
  • Divide into ulnar & radial arteries
  • Superficial & deep palm arch
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2
Q

Superficial Palm Arch Flow

A
  • Ulnar to radial
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3
Q

Deep Palm Arch Flow

A
  • Radial to ulnar
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4
Q

Anastomosis

A
  • Two vessels supply same area
  • Provides collateral blood supply
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5
Q

Superficial Vein Examples

A
  • Superficial palmar venous arch
  • Median basilic vein
  • Median antebrachial vein
  • Cephalic vein
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6
Q

Median Cubital Vein

A
  • Across elbow & cubital fossa
  • Drain into brachial vein via basilic vein
  • Blood draw site
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7
Q

Deep Vein Examples

A
  • Palmar digital veins
  • Deep palmar venous arch
  • Ulnar vein
  • Radial vein
  • Interosseous vein
  • Brachial vein
  • Basilic vein
  • Axillary vein
  • Subclavian vein
  • Jugular vein
  • Superior vena cava of heart
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8
Q

Fossae

A
  • Set of Muscle
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9
Q

Fossa Types

A
  • Subscapular
  • Supraspinous
  • Infraspinous
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10
Q

Subscapular Fossa

A
  • Between scapula & rib cage
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11
Q

Supraspinous Fossa

A
  • Runs above scapular spine
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12
Q

Infraspinous Fossa

A
  • Runs below scapular spine
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13
Q

Clavicle

A
  • Anterior aspect of thorax
  • Manubrium of sternum to shoulder
  • Articulate with scapula
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14
Q

Clavicle Characteristics

A
  • Long bone
  • Concave & convex end
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15
Q

Concave Clavicle End

A
  • Articulates with sternum
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16
Q

Convex Clavicle End

A
  • Articulates with acromion of scapula
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17
Q

Greater Tubercle

A
  • Attachment site
  • Costoclavicular ligament
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18
Q

Bones of Pectoral Girdle

A
  • Clavicle
  • Acromion of scapula
  • Coracoid process
  • Glenoid fossa
  • Sternum
  • Spin of scapula
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19
Q

Shoulder Joints

A
  • Sternoclavicular
  • Acromioclavicular
  • Glenohumeral
  • Scapulothoracic
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20
Q

Sternoclavicular Joint

A
  • Between clavicle & sternum
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21
Q

Anterior Sternoclavicular Ligament

A
  • Secure head of clavicle to sternum
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22
Q

Costalclavicular Ligament

A
  • Joins clavicle to first rib
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23
Q

Interclavicular Ligament

A
  • Attachment between left & right clavicles
24
Q

Acromioclavicular Joint

A
  • Acromion & clavicle
25
Q

Ligaments of Acromioclavicular Joint

A
  • Coracoacromial
  • Acromioclavicular
  • Coracoclavicular
26
Q

Glenohumeral Joint

A
  • Articulation between humerus & glenoid fossa of scapula
  • Ball & socket joint
27
Q

Glenohumeral Ligament Function

A
  • Glenohumeral joint stability
  • Thickenings of joint capsule
28
Q

Glenohumeral Joint Ligaments

A
  • Coracohumeral
  • Superior glenohumeral
  • Middle glenohumeral
  • Inferior glenohumeral
29
Q

Scapulothoracic Joint

A
  • Allows for movement between scapula & thoracic cage
  • Arm abduction
30
Q

Shoulder Separation

A
  • Occurs at acromioclavicular & sternoclavicular joints
  • Graded on degree of tearing
31
Q

Grade 1 Shoulder Separation

A
  • Stretching of acromioclavicular ligament
32
Q

Grade 2 Shoulder Separation

A
  • Rupture of acromioclavicular ligament
  • Stretch of coracoclavicular ligament
33
Q

Grade 3 Shoulder Separation

A
  • Rupture of acromioclavicular ligament
  • Rupture of coracoclavicular ligament
34
Q

Shoulder Dislocation

A
  • Glenohumeral joint
  • Bulge in deltopectoral space
35
Q

Deltpectoral Space

A
  • Between deltoid & pectoral muscles
  • Axiallary nerve
  • Musculocutaneous nerve
36
Q

Axilla

A
  • Fat filled space in armpit
  • Passageway for blood vessels & nerves of brachial plexus
37
Q

Saturday Night Palsy Injury

A
  • Brachial plexus nerve compression RADIAL
  • Wrist drop & sensory loss in posterior arm
38
Q

Superficial Muscle Layer

A
  • Trapezius
  • Latissimus dorsi
  • Rhomboids
  • Teres major
39
Q

Deep Muscle Layer (Rotator Cuff)

A
  • Supraspinatus
  • Infraspinatus
  • Teres minor
  • Subscapular
40
Q

Pectoral Muscle Layer

A
  • Serratus anterior
  • Pectoralis major & minor
41
Q

Brachium Muscle Layer

A
  • Deltoid
  • Long head of biceps
  • Long head of triceps
42
Q

Trapezius

A
  • Innervated by accessory nerve
  • Elevate, retract & depress scapula
43
Q

Latissimus

A
  • Thoracodorsal nerve innervation
  • Extend, adduct, medially rotate humerus
44
Q

Rhomboids

A
  • Between scapula & spine
  • Dorsal scapular nerve innervation
  • Retract scapula
45
Q

Teres Major

A
  • Lower subscapular nerve innervation
  • Adduct & medially rotate arm
46
Q

Rotator Cuff Function

A
  • Glenohumeral joint stability
  • Extend around humerus head & pull glenoid fossa
47
Q

Supraspinatus

A
  • Above spine of scapula
  • Innervated by suprascapular nerve
  • Initiate & assist abduction
48
Q

Infraspinatus

A
  • Innervated by suprascapular nerve
  • Laterally rotate arm
49
Q

Teres Minor

A
  • Innervated by axillary
  • Laterally rotate arm
50
Q

Subscapularis

A
  • Innervated by upper & lower subscapular nerves
  • Medially rotate arm
51
Q

Pec Major

A
  • Innervated by lateral & medial pectoral nerves
  • Flexion & adduction
  • Attach to humerus
52
Q

Pec Minor

A
  • Innervated by medial pectoral nerve
  • Scapular protraction
  • Attach to scapula
53
Q

Winged Scapula Injury

A
  • Pulls coracoid process forwards
  • Medial boarder of scapular backwards
  • Winged up scapula off posterior aspect of thorax
54
Q

Deltoid

A
  • Innervated by axillary nerve
  • Flexion, extension, abduction
55
Q

Muscles Required for Shoulder Movement

A
  • Supraspinous
  • Deltoid
  • Trapezius
  • Serratus anterior

1330/2222 Human Anatomy (32 decks)

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