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Shoulder, Arm, wrist & finger > Shld & Arm act/nerve Origin/Insertion > Flashcards

Shld & Arm act/nerve Origin/Insertion Flashcards

1
Q

Deltoid act/nerve

A

All fibers abduct the shoulder. Ant. fibers flex the shoulder, med. rot., the shoulder and horizontally adduct. Post fibers extend, lat. rot. and horizontally abduct.

Axillary nerve

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2
Q

Trapezius act/nerve

A

Upper fibers: Bil extend the head and neck, ipsilaterally flex head/neck, contralaterally rotate head/neck, elevate scapula, upwardly rotate the scapula

Middle fibers: adduct the scap,and stabilize the scap

Lower fibers: depress the scap, upwardly rotate the scap (force couple with UT and Ser Ant.)

Spinal accessory/Ventral ramus nerves

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3
Q

Latissimus Dorsi act/nerve

A

Extend the shoulder, adduct the shoulder, med. rot. the shoulder

Thoracodorsal nerve

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4
Q

Teres Major act/nerve

A

Extend the shoulder, adduct the shoulder, med. rot. the shoulder

Lower subscapular nerve

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5
Q

Supraspinatus act/nerve

A

Abduct the shoulder, stabilize the head of the humerus in the glenoid cavity

Suprascapular nerve

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6
Q

Infraspinatus act/nerve

A

Lat. rot sholder, adduct shoulder, stabilize the head of the humerus

Suprascapular nerve

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7
Q

Teres minor act/nerve

A

Lat rot. shoulder, adduct the shoulder, stabilize the head of the humerus in the glenoid cavity

Axillary nerve

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8
Q

Subscapularis act/nerve

A

Med rot shoulder, stabilize the head of the humerus in the glenoid cavity

Upper & lower subscapular nerve

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9
Q

Rhomboid major act/nerve

A

Adduct the scapula, elevate the scapula, downwardly rotate the scapula

Dorsal scapular nerve

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10
Q

Rhomboid minor act/nerve

A

Adduct the scapula, elevate the scapula, downwardly rotate the scapula

Dorsal scapular

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11
Q

Levator scapula act/nerve

A

Uni: Elevate the scapula, downwardly rotate scap, laterally flex head/neck, ipsilaterally rotate head/neck. Bil: Extend the head/neck

Cervical 3,4, Dorsal scapular nerve

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12
Q

Serratus Anterior act/nerve

A

With origin fixed: Abduct the scap (protraction), upwardly rotate the scap, depress the scap, hold the medial border of the scap to the rib cage.

With scapula fixed: May elevate thorax during forced inhalation.

Long thoracic nerve

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13
Q

Pectoralis major act/nerve

A

All fibers: Adduct the shoulder, med rot the shoulder, assist to elevate the thorax during forced inhalation.
Upper fibers: Flex the sholder, horizontally adduct the shoulder
Lower fibers: Extend the shoulder to lateral midline

Upper: Lateral pectoral nerve
Lower: Lateral and medial pectoral nerve

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14
Q

Pectoralis minor act/nerve

A

Depress the scapula, abduct the scap, downwardly rotate the scap.

With scapula fixed: Assist to elevate thorax during forced inhalation.

Medail pectoral nerve

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15
Q

Subclavius act/nerve

A

Depress the clavicle & draw it anteriorly, elevate the first rib, stabilize the sternoclavicular joint

Subclavian nerve

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16
Q

Biceps brachii act/nerve

A

Flex the elbow, supinate the forearm, flex the shoulder.

Musculocutaneous nerve

17
Q

Triceps brachii act/nerve

A

All heads: Extend the elbow
Long head: Extend the shoulder, adduct the shoulder

Radial nerve

18
Q

Coracobrachialis act/nerve

A

Flex the shoulder, adduct the shoulder

Musculocutaneous nerve

19
Q

Deltoid Origin/Insertion

A

O: Lateral 1/3 of the clavicle, acromion and spine of scapula
I: Deltoid tuberosity

20
Q

Trapezius Origin/Insertion

A

O: External occipital protuberance, medial portion of the superior nuchal line of the occiput, ligamentum nuchae and spinous processes of C7-T12
I: Lateral 1/3 of the clavicle, acromion and spine of scapula

21
Q

Latissimus Dorsi Origin/Insertion

A

O: Inferior angle of the scapula , spinous processes of the last six vertebrae, last three or four ribs, thoracolumbar fascia and posterior iliac crest
I: Intertubercular groove of the humerus

22
Q

Teres Major Origin/Insertion

A

O: Inferior angle and lower 1/3 of the lateral border of the scapula
I: Crest of the lesser tubercle of the humerus

23
Q

Supraspinatus Origin/insertion

A

O: Supraspinious fossa of the scapula
I: Greater tubercle of the humerus

24
Q

Infraspinatus Origin/Insertion

A

O: Infraspinious fossa of the scapula
I: Greater tubercle of the humerus

25
Q

Teres Minor Origin/Insertion

A

O:Upper 2/3 of the lateral border of the scapula
I: Greater tubercle of the humerus

26
Q

Subscaularis Origin/Insertion

A

O: Subscaular fossa of the scapula
I: Lesser tubercle of the humerus

27
Q

Rhomboid Major Origin/Insertion

A

O: Spinous processes of T2-T5
I: Medial border of the scapula between the spine of the scapula and the inferior angle

28
Q

Rhomboid Minor Origin/Insertion

A

O: Spinous processes of C7 and T1
I: Upper portion of the medial border of the scapula, at the level of the spine of the scapula

29
Q

Levator Scapula Origin/Insertion

A

O: Transverse processes of the first through fourth cervical vertebrae
I: Medial border of the scapular, between the superior angle and superior portion of the spine of the scapula

30
Q

Serratus Anterior Origin/Insertion

A

O: External surfaces of the upper eight or nine ribs
I: Anterior surface of the medial border of the scapula

31
Q

Pectoralis Major Origin/Insertion

A

O: Medial 1/2 of the clavicle, sternum and cartilage of the first through sixth ribs
I: Crest of the greater tubercle of the humerus

32
Q

Pectoralis Minor Origin/Insertion

A

O: Third fourth and fifth ribs
I: Medial surface of the coracoid process of the scapula.

33
Q

Subclavius Origin/Insertion

A

O: First rib and cartilage
I: Inferior surface of the middle 1/3 of the clavicle

34
Q

Biceps Brachii Origin/Insertion

A

O: Short head-coracoid process of the scapula. Long head-supraglenoid tubercle of the scapula
I: Tuberosity of the radius and aponeurosis of the biceps brachii

35
Q

Triceps Brachii Origin/Insertion

A

O: Long head-Infraglenoid tubercle. Lateral head-Posterior surface and proximal half the humerus. Medial head: Posterior surface of the distal half of the humerus.
I: Olecranon process of the ulna

36
Q

Coracobrachialis Origin/Insertion

A

O: Coracoid process of the scapula
I: Medial surface of the mid-humeral shaft

Shoulder, Arm, wrist & finger (1 decks)

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