Anatomy Flashcards
(130 cards)
Pectoral Girdle Where is the following on the posterior view: - suprascapular notch - Acromion - supraspinous fossa - infraspinous fossa - spine of scapula
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Pectoral Girdle
Where is the following on the clavicle?
- sternal end
- Acromial end
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- What are the two joints of the clavicle to surrounding bones?
- What type of joint are they?
- What is their innervation?
Acromioclavicular joint = synovial plane joint = C4
Sternoclavicular joint = synovial ball and socket joint = C6
- Which joint is more likely to dislocate, SC or AC?
- A clavicular structure on the lateral 1/3 of the clavicle will make which nerve vulnerable?
- What two things pass through the cervicoaxillary canal?
- AC joint
- Suprascapular nerve
- Brachial plexus and subclavian vessels
- What physiological joint does the scapula move over the thoracic cage on?
- Name the nerves responsible for the following moves of the scapula:
- lateral rotation
- protraction
- retraction
- elevation
- Scapulothoracic joint
- Lateral rotation: CN11 and C5-C7
Protraction: C5-C7
Retraction: CN11 and C3-C5
Elevation: CN11 and C3-C4
Where is the following on the humerus (anterior view)?
- articular head
- greater and lesser tubercles
- anatomical neck
- surgical neck
- shaft
- supraepicondylar ridge
- epicondyles
- capitulum
- trachea
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Where is the following on the humerus (posterior view)?
- deltoid tuberosity
- radial groove
- olecranon fossa
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A fracture in the following parts of the humerus would affect with nerve:
- Neck of the numerus
- Midshaft humerus
- Supraepicondylar ridge
- Axillary nerve
- Radial nerve
- All nerves and arteries
Shoulder joint:
- What type of joint is the shoulder joint?
- What is the glenoid labrum?
- What does it do?
- What two things do the bursa in the joint do?
- Synovial ball and socket joint
- Fibrocartilage ring
- Deepens glenoid fossa and stabilises joint
- Bursa protect overlying tendons from erosion and also some communicate with joint cavity
Shoulder joint
- What around this joint prevents superior dislocation?
- What two things is it made out of?
- What is the innervation of the shoulder joint?
- Where is pain referred to?
- Coracoacromial arch
- Acromion and coracoacromial ligament
- C5-C6
- Into proximal, lateral arm
Shoulder joint capsule
- What two ligaments make up the joint capsule?
- Is dislocation usually anterior or posterior? How does it end up?
- Which nerve is vulnerable in dislocation?
- Coracohumeral ligament and glenohumeral ligament
- Usually anterior and ends up inferior
- Axillary nerve
Name the nerves responsible for the following movements of the shoulder joint:
- Flexion
- Extension
- Abduction
- Adduction
- Lateral rotation
- Medial rotation
- Flexion = C5-C6
- Extension = C7-C8
- Abduction = C5-C6
- Adduction = many + gravity
- Lateral rotation = C5-C6
- Medial rotation = C5-C8
Where are the following features on the elbow:
- coronoid fossa
- medial epicondyle
- capitulum
- trochlea
- head of radius
- radius
- ulna
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Elbow joint - Ulna (lateral view) Where are the following features: - olecranon - trochlea notch - radial notch - coronoid fossa
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Elbow joint:
- What nerve is related to the neck of the radius?
- Which nerve and which artery passes into the forearm from the ulna?
- What 4 things are vulnerable in a fracture or dislocation of the elbow joint?
- Radial nerve
- Median nerve and brachial artery
- Brachial artery, ulnar nerve, median nerve and radial nerve.
Elbow joint capsule
- The elbow joint capsule is weaker in which two parts?
- What 3 ligaments make up the joint capsule? What is the test for two of these?
- What nerve are responsible for flexion?
- What nerves are responsible for extension?
- Anteriorly and posteriorly
- Lateral collateral ligament (varus test)
Medial collateral ligament (valgus test)
Anular ligament - C5-C6
- C7-C8
Posterior pectoral girdle muscles
- What is the overall function of these muscles?
- What are the 5 muscles and what is their nerve supply?
- Attach girdle to axial skeleton
- Levator scapulae = dorsal scapular nerve, C4-C5
Rhomboid minor = dorsal scapular nerve, C4-C5
Rhomboid major = dorsal scapular nerve, C4-C5
Trapezius = CN11
Latissimus dorsi = thoracodorsal nerve, C6-C8
- What are the 3 anterior pectoral girdle muscles and what is their nerve supply?
- What is their overall function?
- Pectoralis major = C5-C8, T1
Pectoralis minor = C8-T1
Serratus anterior = long thoracic nerve, C5-C7 - Attach girdle to ventral thoracic wall
Anterior pectoral girdle muscles Pectoralis major 1. What are the two heads called? 2. What 3 things do both heads do? 3. Which head flexes from extension? 4. Which head extends from elevation? 5. Which head is innervated by the lateral pectoral nerve (C5-C7)? 6. Which head is innervated by the medial pectoral nerve (C8-T1)?
- Clavicular head and sternocostal head
- Adduct, medially rotate and accessory breathing muscles
- Clavicular head
- Sternocostal head
- Clavicular head
- Sternocostal head
Anterior pectoral girdle muscles
Pectoralis minor
1. What does this muscle do?
2. What is it innervated by?
- Depresses scapula
2. C8-T1
Anterior pectoral girdle muscles
Serratus anterior
1. What 2 things does this muscle want to do?
2. What nerve innervates this muscle?
- Protects scapula and holds it close to thoracic wall
2. Long thoracic nerve, C5-C7
Girdle to humerus muscles
- Humerus and girdle muscles include rotator cuff muscles and which other muscle?
- What nerves is it innervated by?
- What 3 things does this muscle do?
- What nerve is vulnerable in a shoulder dislocation or fracture of the neck of the humerus?
- Loss of deltoid would cause what kind of anaesthesia?
- Deltoid muscle
- Axillary nerve, C5-C6
- Flexion, extension and abduction
- Axillary nerve
- Regimental badge anaesthesia
- What are the 4 rotator cuff muscles?
- What is the innervation for all of them?
- What is their overall function?
- What is the additional muscle around here and what is its innervation?
- Supraspinatus, infraspinatus, teres minor and subscapular
- C5-C6
- Stabilise shoulder joint
- Teres major = lower subscapular nerve, C6
Rotator cuff muscles - posterior view (plus one anterior)
What is the innervation and function of each rotator cuff muscle:
1. Supraspinatus
2. Infraspinatus
3. Teres minor
4. Subscapularis
- Supraspinatus = suprascapular nerve = starts abduction
- Infraspinatus = suprascapular nerve and axillary nerve = lateral rotator
- Teres minor = suprascapular nerve and axillary nerve = lateral rotator
- Subscapularis = subscapular nerves = medial rotator