shoulder Flashcards

1
Q

shoulder also known as what joint

A

gleno-humeral joint

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2
Q

what type of joint is the gleno-humeral joint

A

synovial ball and socket joint formed by the humeral head and the glenoid fossa of the scapula

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3
Q

shoulder girdle is formed by the

A

scapula,clavicle, proximal humerus and the deltoid and rotator cuff muscles

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4
Q

rotator cuff muscles job

A

stabilising the shoulder joint

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5
Q

muscles of the rotator cuff

A
  1. supraspinatus
  2. infraspinatus
  3. teres minor
  4. subscapularis
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6
Q

which muscles inserts onto the greater tuberosity of the humerus

A

the supraspinatus, infraspinatus and heres minor

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7
Q

which muscle inserts onto the lesser tuberosity of the humerus

A

the subscapularis

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8
Q

role of supraspinatus muscle

A

initiates abduction of the shoulder joint

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9
Q

role of infraspinatus and teres minor muscles

A

external rotators of the shoulder

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10
Q

role of subscapularis muscle

A

principal internal rotator of shoulder

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11
Q

role of deltoid muscle

A

main abductor of the shoulder joint

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12
Q

what can happen to the rotator cuff muscles

A

they are under considerable stress so acute or degenerate tears can occur

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13
Q

chronic rotatory insufficiency causes

A

glenohumeral osteoarthritis

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14
Q

most common should problem in young people

A

shoulder instability

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15
Q

most common shoulder problem in middle aged people

A

rotator cuff tears and frozen shoulder

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16
Q

most common shoulder problem in elderly

A

glenohumeral osteoarthritis