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Kinesiology > Chapter 5 Shoulder Joint > Flashcards

Chapter 5 Shoulder Joint Flashcards

1
Q

Pectoralis Major upper fibers O&I

A

origin: medial half of the anterior surface of clavicle
insertion: flat tendon 2 or 3 inches wide to lateral lip of intertubercular groove of humerus

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2
Q

Pectoralis Major upper fibers action

A

action: internal rotation, horizontal adduction, diagonal adduction, flexion, abduction

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3
Q

Pectoralis Major upper fibers innervation

A

innervation: lateral pectoral nerve (C5, C6, C7)

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4
Q

Pectoralis Major lower fibers O&I

A

origin: anterior surface of costal cartilages of first six ribs, and adjoining portion of sternum
insertion: flat tendon 2 or 3 inches wide to lateral lip of intertubercular groove of humerus

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5
Q

Pectoralis Major lower fibers action

A

action: internal rotation, horizontal adduction, diagonal adduction, extension from flexed position, adduction

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6
Q

Pectoralis Major lower fibers innervation

A

innervation: medial pectoral nerve (C8, T1)

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7
Q

Subscapularis O&I

A

origin: entire anterior surface of subscapular surface
insertion: lesser tubercle of humerus

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8
Q

Subscapularis action

A

action: internal rotation, adduction, extension

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9
Q

Subscapularis innervation

A

innervation: upper and lower subscapular nerve (C5, C6)

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10
Q

Coracobrachialis O&I

A

origin: coracoid process of scapula
insertion: middle of medial border of humeral shaft

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11
Q

Coracobrachialis action

A

action: horizontal adduction, diagonal adduction, flexion

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12
Q

Coracobrachialis innervation

A

innervation: musculotaneous nerve (C5, C6, C7)

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13
Q

Deltoid anterior fibers O&I

A

origin: anterior lateral third of clavicle
insertion: deltoid tuberosity on lateral humerus

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14
Q

Deltoid anterior fibers action

A

action: abduction, flexion, horizontal adduction, internal rotation, diagonal adduction

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15
Q

Deltoid anterior fibers innervation

A

innervation: axillary nerve (C5, C6)

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16
Q

Deltoid middle fibers O&I

A

origin: lateral aspect of acromion
insertion: deltoid tuberosity on lateral humerus

17
Q

Deltoid middle fibers action

A

action: abduction, horizontal abduction

18
Q

Deltoid middle fibers innervation

A

innervation: axillary nerve (C5, C6)

19
Q

Deltoid posterior fibers O&I

A

origin: inferior edge of spine of scapula
insertion: deltoid tuberosity on lateral humerus

20
Q

Deltoid posterior fibers action

A

action: abduction, horizontal abduction, external rotation, diagonal abduction

21
Q

Deltoid posterior fibers innervation

A

innervation: axillary nerve (C5, C6)

22
Q

Supraspinatus O&I

A

origin: medial two-thirds of supraspinous fossa
insertion: superiorly on greater tubercle of humerus

23
Q

Supraspinatus action

A

abduction

24
Q

Supraspinatus innervation

A

suprascapula nerve (C5)

25
Q

Latissimus Dorsi O&I

A

origin: posterior crest of ilium, back of sacrum and spinous processes of lumbar and lower six thoracic vertebrae, sips from lower three ribs
insertion: medial side of intertubercular groove of humerus

26
Q

Latissimus Dorsi action

A

extension, adduction, internal rotation, horizontal abduction

27
Q

Latissimus Dorsi innervation

A

thoracodorsal (C6, C7, C8)

28
Q

Teres Major O&I

A

origin: posteriorly on inferior third of lateral border of scapula and just superior to inferior angle
insertion: medial lip of intertubercular groove of humerus,

29
Q

Teres Major action

A

extension, adduction, internal rotation

30
Q

Teres Major innervation

A

lower subscapular nerve (C5, C6)

31
Q

Infraspinatus O&I

A

origin: infraspinous fossa just below spine of scapula
insertion: posteriorly on greater tubercle of humerus

32
Q

Infraspinatus action

A

external rotation, horizontal abduction, extension, diagonal abduction

33
Q

Infraspinatus innervation

A

suprascapula nerve (C5, C6)

34
Q

Teres Minor O&I

A

origin: posteriorly on upper and middle aspect of lateral border of scapula
insertion: posteriorly on greater tubercle

35
Q

Teres Minor action

A

external rotation, horizontal abduction, extension, diagonal abduction

36
Q

Teres Minor innervation

A

axillary nerve (C5, C6)

Kinesiology (8 decks)

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