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
2
Q
Superficial Palm Arch Flow
A
- Ulnar to radial
3
Q
Deep Palm Arch Flow
A
- Radial to ulnar
4
Q
Anastomosis
A
- Two vessels supply same area
- Provides collateral blood supply
5
Q
Superficial Vein Examples
A
- Superficial palmar venous arch
- Median basilic vein
- Median antebrachial vein
- Cephalic vein
6
Q
Median Cubital Vein
A
- Across elbow & cubital fossa
- Drain into brachial vein via basilic vein
- Blood draw site
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
8
Q
Fossae
A
- Set of Muscle
9
Q
Fossa Types
A
- Subscapular
- Supraspinous
- Infraspinous
10
Q
Subscapular Fossa
A
- Between scapula & rib cage
11
Q
Supraspinous Fossa
A
- Runs above scapular spine
12
Q
Infraspinous Fossa
A
- Runs below scapular spine
13
Q
Clavicle
A
- Anterior aspect of thorax
- Manubrium of sternum to shoulder
- Articulate with scapula
14
Q
Clavicle Characteristics
A
- Long bone
- Concave & convex end
15
Q
Concave Clavicle End
A
- Articulates with sternum
16
Q
Convex Clavicle End
A
- Articulates with acromion of scapula
17
Q
Greater Tubercle
A
- Attachment site
- Costoclavicular ligament
18
Q
Bones of Pectoral Girdle
A
- Clavicle
- Acromion of scapula
- Coracoid process
- Glenoid fossa
- Sternum
- Spin of scapula
19
Q
Shoulder Joints
A
- Sternoclavicular
- Acromioclavicular
- Glenohumeral
- Scapulothoracic
20
Q
Sternoclavicular Joint
A
- Between clavicle & sternum
21
Q
Anterior Sternoclavicular Ligament
A
- Secure head of clavicle to sternum
22
Q
Costalclavicular Ligament
A
- Joins clavicle to first rib
23
Q
Interclavicular Ligament
A
- Attachment between left & right clavicles
24
Q
Acromioclavicular Joint
A
- Acromion & clavicle
25
Ligaments of Acromioclavicular Joint
- Coracoacromial
- Acromioclavicular
- Coracoclavicular
26
Glenohumeral Joint
- Articulation between humerus & glenoid fossa of scapula
- Ball & socket joint
27
Glenohumeral Ligament Function
- Glenohumeral joint stability
- Thickenings of joint capsule
28
Glenohumeral Joint Ligaments
- Coracohumeral
- Superior glenohumeral
- Middle glenohumeral
- Inferior glenohumeral
29
Scapulothoracic Joint
- Allows for movement between scapula & thoracic cage
- Arm abduction
30
Shoulder Separation
- Occurs at acromioclavicular & sternoclavicular joints
- Graded on degree of tearing
31
Grade 1 Shoulder Separation
- Stretching of acromioclavicular ligament
32
Grade 2 Shoulder Separation
- Rupture of acromioclavicular ligament
- Stretch of coracoclavicular ligament
33
Grade 3 Shoulder Separation
- Rupture of acromioclavicular ligament
- Rupture of coracoclavicular ligament
34
Shoulder Dislocation
- Glenohumeral joint
- Bulge in deltopectoral space
35
Deltpectoral Space
- Between deltoid & pectoral muscles
- Axiallary nerve
- Musculocutaneous nerve
36
Axilla
- Fat filled space in armpit
- Passageway for blood vessels & nerves of brachial plexus
37
Saturday Night Palsy Injury
- Brachial plexus nerve compression RADIAL
- Wrist drop & sensory loss in posterior arm
38
Superficial Muscle Layer
- Trapezius
- Latissimus dorsi
- Rhomboids
- Teres major
39
Deep Muscle Layer (Rotator Cuff)
- Supraspinatus
- Infraspinatus
- Teres minor
- Subscapular
40
Pectoral Muscle Layer
- Serratus anterior
- Pectoralis major & minor
41
Brachium Muscle Layer
- Deltoid
- Long head of biceps
- Long head of triceps
42
Trapezius
- Innervated by accessory nerve
- Elevate, retract & depress scapula
43
Latissimus
- Thoracodorsal nerve innervation
- Extend, adduct, medially rotate humerus
44
Rhomboids
- Between scapula & spine
- Dorsal scapular nerve innervation
- Retract scapula
45
Teres Major
- Lower subscapular nerve innervation
- Adduct & medially rotate arm
46
Rotator Cuff Function
- Glenohumeral joint stability
- Extend around humerus head & pull glenoid fossa
47
Supraspinatus
- Above spine of scapula
- Innervated by suprascapular nerve
- Initiate & assist abduction
48
Infraspinatus
- Innervated by suprascapular nerve
- Laterally rotate arm
49
Teres Minor
- Innervated by axillary
- Laterally rotate arm
50
Subscapularis
- Innervated by upper & lower subscapular nerves
- Medially rotate arm
51
Pec Major
- Innervated by lateral & medial pectoral nerves
- Flexion & adduction
- Attach to humerus
52
Pec Minor
- Innervated by medial pectoral nerve
- Scapular protraction
- Attach to scapula
53
Winged Scapula Injury
- Pulls coracoid process forwards
- Medial boarder of scapular backwards
- Winged up scapula off posterior aspect of thorax
54
Deltoid
- Innervated by axillary nerve
- Flexion, extension, abduction
55
Muscles Required for Shoulder Movement
- Supraspinous
- Deltoid
- Trapezius
- Serratus anterior
