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Origins and Insertions > Back Muscles > Flashcards

Back Muscles Flashcards

1
Q

Origin of Trapezius

A

External Occipital Protuberance, Superior Nuchal Line, Ligamentum Nuchae, Spinous Processes of C7-T12

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2
Q

Insertion of Trapezius

A

Clavicle, Acromion, Scapular Spine

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3
Q

Actions of Trapezius

A

Elevate, Retract, and Depress the Scapula. Superior Rotation of the Glenoid Cavity.

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4
Q

Innervation of Trapezius

A

Cranial Nerve XI (Spinal Accessory Nerve)

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5
Q

Blood Supply of Trapezius

A

Transverse Vertebral Artery

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6
Q

Latissimus Dorsi Origin

A

Iliac Crest, Thoracolumbar fascia, Spinous Processes of T7-12

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7
Q

Insertion of Lat Dorsi

A

Floor of intertubercular sulcus of humerus

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8
Q

Actions of Lat Dorsi

A

Adducts the arm, Medially rotates the arm, Extends the arm

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9
Q

Innervation of Lat Dorsi

A

Thoracodorsal Nerve

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10
Q

Blood supply of Lat Dorsi

A

Thoracodorsal Artery

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11
Q

Levator Scapulae Origin

A

Transverse Processes of C1-4

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12
Q

Levator Scapulae Insertion

A

Superior Angle of Scapula

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13
Q

Levator Scapulae Action

A

Elevate Scapula

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14
Q

Levator Scapulae Innervation

A

Dorsal Scapular Nerve

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15
Q

Blood Supply of Levator Scapulae

A

Dorsal Scapular Artery

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16
Q

Rhomboid Major Origin

A

T2-5 Spinous Processes

17
Q

Rhomboid Major Insertion

A

Medial Border of Scapula below Scapular Spine

18
Q

Rhomboid Major Action

A

Retracts Scapula

19
Q

Rhomboid Major Innervation

A

Dorsal Scapular Nerve

20
Q

Rhomboid Major Blood Supply

A

Dorsal Scapular Artery

21
Q

Rhomboid Minor Origin

A

Ligamentum Nuchae, C7-T1 Spinous Processes

22
Q

Rhomboid Minor Insertion

A

Medial Border of Scapula at Scapular Spine

23
Q

Rhomboid Minor Action

A

Retracts Scapula

24
Q

Rhomboid Minor Innervation

A

Dorsal Scapular Nerve

25
Q

Rhomboid Minor Blood Supply

A

Dorsal Scapular Artery

26
Q

Iliocostalis, Longissimus, Spinalis Origin

A

Sacrum and Iliac Crest

Origins and Insertions (1 decks)

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