Shoulder Girdle
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| The shoulder girdle is formed by which two bones? | the clavicle and the scapula
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| The girdle is completed in the front by the sternum, which articulates with the: | medial end of the clavicle
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| Because the proximal humerus is included in the shoulder joint, its anatomy is considered with the: | shoulder girdle
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| The clavicle is classified as a long bone. T/F | true
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| The clavicle lies in a horizontal oblique plane just above the: | 1st rib and forms the anterior part of the shoulder girdle
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| The lateral aspect of the clavicle is termed the: | acromial extremity, and it articulates with the acromion of the scapula
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| The medial aspect of the clavicle is termed the: | sternal extremity, and it articulates with the manubrium of the sternum and the first costal cartilage
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| The clavicle is more thicker and double curved for which gender? | more for males than females
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| The scapula is classified as a: | flat bone, with a 45-60 degree angle in relation to the anatomic position
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| Triangular is shape, the scapula has: | 2 surfaces, 3 borders, 3 angles
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| The 2 surfaces of the scapula are: | anterior: sub-scapular fossa
posterior: supraspinous fossa, spine, infraspinous fossa
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| The 3 borders of the scapula are the: | superior, medial, and lateral borders
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| The 3 angles of the scapula are the: | superior, inferior, and lateral angles
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| The superior angle is formed by the: | junction of the superior and medial borders
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| The inferior angle is formed by the: | junction of the medial (vertebral) and lateral borders, and lies over the 7th rib
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| Lying on the superposterior thorax between the 2nd and 7th ribs is the: | medial border of the scapula that runs parallel with the vertebral column.
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| The dorsal surface of the scapula is divided into how many portions? | 2 portions by a prominent spinous process
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| The 2 portions of the dorsal surface of the scapula are the: | the supraspinous fossa and the infraspinous fossa
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| The dorsal surface of the medial border affords attachments to which muscles? | the levator muscles of the scapula, the greater rhomboid muscle, and the lesser rhomboid muscle
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| The superior border extends from the: | superior angle to the coracoid process
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| The lateral end has a deep depression called: | the scapular notch
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| The medial border extends from the: | superior to the inferior angles
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| The lateral border extends from the : | glenoid cavity to the inferior angle
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| The lateral angle, the thickest part of the body of the scapula, ends in a shallow, oval depression called: | the glenoid cavity
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| Where can the coracoid process be palpated? | just distal and slightly medial to the acromioclavicular (AC) articulation
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| What are common positioning landmarks for shoulder radiography? | the acromion, coracoid process, superior angle, and inferior angle
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| The proximal end of the humerus consists of: | a head, an anatomic neck, 2 prominent processes called the greater and lesser tubercles, and the surgical neck.
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| Where is the lesser tubercle situated? | on the anterior surface of the bone, immediately below the anatomical neck
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| The tendon of the subscapula muscle inserts at: | the lesser tubercle
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| The superior surface of the greater tubercle slopes posteriorly at an angle of approximately: | 25 degrees and has three flattened impressions for muscle insertion
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| What are bursae? | small. synovial fluid-filled sacs that relieve pressure and reduces friction in tissue
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| Where are bursae often found? | between the bones and the skin; and allows skin to move easily when joint is moved
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| One of the largest bursae of the shoulder is the: | subacromial bursa
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| When does the bursae become important radiographically? | when injury or age causes the deposition of calcium
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| The scapulohumeral articulation between the glenoid cavity and the head of the humerus form a: | synovial ball-and-socket joint, allowing movement in all directions
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| The scapulohumeral articulation is often referred to as: | the glenohumeral joint
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| What is the structural classification of the Scapulohumeral? | synovial, ball-and-socket, freely movable
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| What is the structural classification of the Acromioclavicular? | synovial, gliding, freely movable
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| What is the structural classification of the Sternoclavicular? | synovial, double gliding, freely movable
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| Joints of the shoulder girdle: | scapulohumeral, acromioclavicular, sternoclavicular
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| The acromioclavicular (AC) between the acromion of the scapula and the acromial extremity of the clavicle forms a: | synovial gliding joint
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| The sternoclavicular (SC) articulation is formed by the sternal extremity of the clavicle with 2 bones: | the manubrium and the 1st rib
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