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Musculoskeletal > Muscles of Upper limbs > Flashcards

Muscles of Upper limbs Flashcards

1
Q

Latissimus Dorsi Origin

A

Origin: Spinous process of T7-L5, posterior iliac crest, posterior sacrum

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2
Q

Latissimus Dorsi Insertion

A

Insertion: Medial Lip of the Bicipital Groove of the Humerus

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3
Q

Latissimus Dorsi Innervation

A

Innervation: Thoracodorsal Nerve

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4
Q

Latissimus Dorsi Actions

A

Actions: Medially rotates, adduction, extends the arm at the GH joint

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5
Q

Supraspinatus Origin

A

Origin: supraspinous fossa of the scapula

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6
Q

Supraspinatus Insertion

A

Insertion: Greater tubercle

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7
Q

Supraspinatus Innervation

A

Innervation: Suprascapular nerve

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8
Q

Supraspinatus Actions

A

Actions: Abduct the arm, stabilizes the GH joint

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9
Q

Infraspinatus Origin

A

Origin: Infraspinous fossa of the scapula

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10
Q

Infraspinatus Insertion

A

Insertion: greater tubercle of the humerus

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11
Q

Infraspinatus Innervation

A

Innervation: Suprascapular Nerve

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12
Q

Infraspinatus Actions

A

Actions: Externally rotates the GH joint, stabilizes the GH joint

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13
Q

Teres Minor Origin

A

Origin: Superior lateral border of the scapula

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14
Q

Teres Minor Insertion

A

Insertion: Grater tubercle

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15
Q

Teres Minor Innervation

A

Innervation: Axillary Nerve

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16
Q

Teres Minor Actions

A

Actions: Externally rotates the GH, Stabilizes the GH joint

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17
Q

Subscapularis Origin

A

Origin: Subscapular fossa

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18
Q

Subscapularis Insertion

A

Insertion: Lesser Tubercle

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19
Q

Subscapularis Innervation

A

Innervation: Upper and lower Subscapular Nerve

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20
Q

Subscapularis Actions

A

Actions: Internally rotates the GH joint, Stabilizes the GH joint

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21
Q

Trapezius Origin

A

Origin: External occipital protuberance, spinous process of C1-T12

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22
Q

Trapezius Insertion

A

Insertion: Lateral 1/3 clavicle, Acromion process, spine of the scapula

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23
Q

Trapezius Innervation

A

Innervation: CN XI - spinal accessory nerve

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24
Q

Trapezius Actions

A

Actions: on scapula -
Upper - elevates, upwardly rotates, retracts
Middle - Retracts
Lower - Depresses, Retracts, Upwardly rotates
Head/neck - Laterally flexes, extends, contralaterally rotates

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25
Subclavian Origin
Origin: 1st rib
26
Subclavian Insertion
Insertion: Inferior aspect of middle 1/3 of clavicle
27
Subclavian Innervation
Innervation: Nerve to Subclavius
28
Subclavian Actions
Actions: Depresses clavicle, or by reverse action, Elevates 1st rib, stabilizes clavicle when moving UE
29
Serrated Anterior Origin
Origin: Ribs 1-9
30
Serrated Anterior Insertion
Insertion: Anterior surface of the medial border of scapula
31
Serrated Anterior Innervation
Innervation: Long thoracic nerve
32
Serrated Anterior Actions
Actions: Protracts and upwardly rotates the scapula, prevents winging of scapula
33
Rhomboid Major Origin
Origin: Spinous process of T2-5
34
Rhomboid Major Insertion
Insertion: Medial border of scapula from the root of the spine to inferior angle
35
Rhomboid Major Innervation
Innervation: Dorsal Scapular Nerve
36
Rhomboid Major Actions
Actions: Retracts, elevates, downwardly rotates the scapula
37
Rhomboid Minor Origin
Origin: Spinous process of C7-T1
38
Rhomboid Minor Insertion
Insertion: medial border of scapula at the root of the spine
39
Rhomboid Minor Innervation
Innervation: Dorsal scapular nerve
40
Rhomboid Minor Actions
Actions: retracts, elevates, downwardly rotates the scapula
41
Pectoralis Minor Origin
Origin: Ribs 3-5
42
Pectoralis Minor Insertion
Insertion: Coracoid Process of the scapula
43
Pectoralis Minor Innervation
Innervation: Medial pectoral nerve
44
Pectoralis Minor Actions
Actions: Protracts, depresses, and downwardly rotates the scapula, Elevates ribs 3-5 (by reverse action)
45
Levator Scapulae Origin
Origin: Transverse process of C1-4
46
Levator Scapulae Insertion
Insertion: Medial border of scapula from the superior angle of the scapula to the root of the scapula spine
47
Levator Scapulae Innervation
Innervation: Dorsal scapular nerve
48
Levator Scapulae Actions
Actions: On scapula - elevates, downwardly rotates, retracts On neck - extends, laterally flexes, ipsilaterally rotates
49
Teres Major Origin
Origin: Inferior angle and inferior lateral border of scapula
50
Teres Major Insertion
Insertion: Medial lip of the bicipital groove of the humerus
51
Teres Major Innervation
Innervation: lower Subscapular nerve
52
Teres Major Actions
Actions: medially rotates, adducts, extends at the GH joint
53
Pectoralis Major Origin
Origin: Medial clavicle, sternum, ribs 1-7
54
Pectoralis Major Insertion
Insertion: Lateral lip of the bicipital groove
55
Pectoralis Major Innervation
Innervation: medial and lateral pectoral nerve
56
Pectoralis Major Actions
Actions: Adducts, medially rotates, flexes, horizontally adducts the arm at the GH joint
57
Coracobrachialis Origin
Origin: Coracoid process of the scapula
58
Coracobrachialis Insertion
Insertion: medial 1/3 of the shaft of the humerus
59
Coracobrachialis Innervation
Innervation: musculocutaneous nerve
60
Coracobrachialis Actions
Actions: Flexes and adducts the arm at GH joint
61
Deltoid Origin
Origin: Lateral clavicle, Acromion process and spine of scapula
62
Deltoid Insertion
Insertion: Deltoid tuberosity
63
Deltoid Innervation
Innervation: Axillary nerve
64
Deltoid Actions
Actions: Anterior - Flex, internal rotation, horizontally adducts Posterior - Extension, external rotation, horizontally abducts All - abducts GH joint

Musculoskeletal (2 decks)

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