Lecture 12

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Question 1 of 47

What is the brachium?= The arm

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Question 2 of 47

What does the upper limb include? (4)= Arm, forearm, hand, pectoral girdle

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Question 3 of 47

What does the pectoral girdle include? (2)= Clavicle, scapula

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Question 4 of 47

What does the clavicle articulate with? (2)= Manubrium (sternum), acromion (scapula)

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Question 5 of 47

What is posterior/anterior movement of the scapula called?= Protraction/retraction

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Question 6 of 47

What is superior/inferior movement of the scapula called?= Elevation, depression

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Question 7 of 47

What is rotation of the scapula called?= Superior/inferior rotation

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Question 8 of 47

What rotation is it when the glenoid fossa points more superiorly?= Superior rotation

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Question 9 of 47

What is the purpose of the clavicle?= Resists tension of thoracic muscles pulling arm into thorax

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Question 10 of 47

What is the articulation between the clavicle and sternum called?= Sternoclavicular

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Question 11 of 47

What is the articulation between the scapula and clavicle called?= Acromioclavicular joint

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Question 12 of 47

What attaches to the costoclavicular roughened area?= Costoclavicular ligament

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Question 13 of 47

What attaches to the subclavian groove?= Subclavius muscle

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Question 14 of 47

Which muscle/ligament attaches to the distal end of the clavicle?= Coracoclavicular ligament

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Question 15 of 47

What marks the end of the deltoid origin on the clavicle?= Deltoid tubercle

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Question 16 of 47

Where does the deltoid origin extend to?= Over the acromion of the scapula

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Question 17 of 47

What muscle inserts posteriorly to the deltoid?= Trapezius

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Question 18 of 47

Where does the pec major originate? (3)= Proximal clavicle, SC joint, manubrium

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Question 19 of 47

What is a foosh injury?= Fall on outstretched hand

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Question 20 of 47

What happens when a clavicle breaks? (2)= Sternocleidomastoid pulls proximal portion up, upper limb drops

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Question 21 of 47

What is cleidocranial dysostosis?= Cleido = clavicle, cranial = skull, dysostosis = dysfunction ossification

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Question 22 of 47

Where is the scapula found?= Covers the posters-lateral surface of ribs 2-7

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Question 23 of 47

What is the shape and bone type of the scapula?= Triangular flat bone

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Question 24 of 47

What are the points of the scapular triangle named? (3)= Superior angle, inferior angle, glenoid fossa

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Question 25 of 47

What are the three borders of the scapular triangle? (3)= Medial border, lateral border, superior border

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Question 26 of 47

Which is the thicker border?= Lateral border

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Question 27 of 47

What are the protuberances of the scapula? (3)= Acromion, coracoid, spine

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Question 28 of 47

What are the surfaces of the scapula? (3)= Superspinous fossa, infraspinous fossa, subscapula fossa

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Question 29 of 47

What type of joint is the sternoclavicular joint?= Synovial

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Question 30 of 47

What are the ligaments of the sternoclavicular joints? (4)= Costoclavicular ligament, interclavicular ligament, anterior and posterior sternoclavicular joint

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Question 31 of 47

Which ligaments of the SC joint make the joint capsule? (2)= Anterior, posterior sternoclavicular ligaments

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Question 32 of 47

What is the shape of the intra-articular disc in the AC joint?= Wedge shaped

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Question 33 of 47

What is the feature of the saddle shaped synovial SC joint?= Fibrocartilaginous disc (intra-articular disc)

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Question 34 of 47

Which SC ligament is strongest? = Posterior SC ligament

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Question 35 of 47

What ligament attaches the clavicle to the coracoid process?= Coracoclavicular ligaments

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Question 36 of 47

What is the purpose of the coracoclavicular ligaments?= Suspend the scapula from the clavical

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Question 37 of 47

Which ligaments attach the clavicle to the acomion process?= Acromiclavicular ligaments

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Question 38 of 47

What is the conceptual joint?= Where the medial border of the scapula gets pulled up against the thorax for stability

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Question 39 of 47

Describe the origin, insertion and primary action for subclavius?= Origin: costal cartilage of 1st rib , Insertion: proximal clavicle, braces clavicle

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Question 40 of 47

Describe the origin, insertion and primary action for pectorals minor?= Origin: 3-5 rib, insertion: coracoid process, depresses scapula

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Question 41 of 47

Describe the origin, insertion and primary action for serratus anterior? (2)= Origin: 1-9, insertion: medial border of scapula, protracts scapula, lower fibres help superiorly rotate scapula

Question 41 of 47

Question 42 of 47

Describe the origin, insertion and primary action for trapezius?= Origin: spine, skull insertion: acomion, clavicle, spine of scapula, retracts scapula (all), elevates scapula, retracts scapula (middle), depresses scapula, superior rotation (superior, inferior only)

Question 42 of 47

Question 43 of 47

Describe the origin, insertion and primary action for levator scapulae?= Origin: C1-C4, insertion: superior angle, elevates scapula

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Question 44 of 47

Describe the origin, insertion and primary action for rhomboid minor?= Origin: C7-T1, insertion: superior medial border, retracts scapula

Question 44 of 47

Question 45 of 47

Describe the origin, insertion and primary action for rhomboid major?= Origin: T2-T5, insertion: medial border, retracts scapula

Question 45 of 47

Question 46 of 47

Describe the origin, insertion and primary action for pectorals major?= Origin (clavicle head): proximal clavicle, (sternocostal head): sternum, insertion: lateral lip of intertubercular groove, adducts humerus, internally rotates humerus, humerus protracts scapula

Question 46 of 47

Question 47 of 47

Describe the origin, insertion and primary action for latissimus dorsi?= Origin: T7 to S5, insertion: floor of intertubercular groove, iliac, adducts humerus, internally rotates humerus, lower fibres depress scapula by pulling on humerus

Question 47 of 47