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Last updated 5:12 PM on 6/8/26
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41 Terms

1
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Trapezius Origin

External occipital protuberance, superior nuchal line, ligamentum nuchae, spinous processes C7

2
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Trapezius Insertion

Lateral 1/3 clavicle, acromion, spine of scapula

3
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Trapezius Action

Upper fibers elevate scapula; middle fibers retract scapula; lower fibers depress scapula

4
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Trapezius Nerve

Spinal accessory nerve (CN XI)

5
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Trapezius Blood Supply

Transverse cervical artery

6
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7
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Latissimus Dorsi Origin

Spinous processes T7

8
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Latissimus Dorsi Insertion

Intertubercular sulcus of humerus

9
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Latissimus Dorsi Action

Extends, adducts, and medially rotates arm

10
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Latissimus Dorsi Nerve

Thoracodorsal nerve (C6

11
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Latissimus Dorsi Blood Supply

Thoracodorsal artery

12
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13
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Levator Scapulae Origin

Transverse processes C1

14
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Levator Scapulae Insertion

Vertebral border of scapula above spine

15
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Levator Scapulae Action

Elevates scapula

16
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Levator Scapulae Nerve

Dorsal scapular nerve; C3

17
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Levator Scapulae Blood Supply

Dorsal scapular artery

18
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19
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Rhomboid Minor Origin

Spinous processes C7

20
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Rhomboid Minor Insertion

Vertebral border of scapula at root of spine

21
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Rhomboid Minor Action

Retracts and stabilizes scapula

22
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Rhomboid Minor Nerve

Dorsal scapular nerve

23
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Rhomboid Minor Blood Supply

Deep branch of transverse cervical artery

24
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25
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Rhomboid Major Origin

Spinous processes T2

26
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Rhomboid Major Insertion

Vertebral border of scapula below spine

27
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Rhomboid Major Action

Retracts and stabilizes scapula

28
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Rhomboid Major Nerve

Dorsal scapular nerve

29
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Rhomboid Major Blood Supply

Deep branch of transverse cervical artery

30
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31
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Serratus Posterior Superior Origin

Spinous processes C7

32
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Serratus Posterior Superior Insertion

Ribs 2

33
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Serratus Posterior Superior Action

Elevates ribs

34
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Serratus Posterior Superior Nerve

Intercostal nerves T2

35
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Serratus Posterior Superior Blood Supply

Intercostal arteries

36
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37
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Serratus Posterior Inferior Origin

Spinous processes T11

38
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Serratus Posterior Inferior Insertion

Ribs 9

39
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Serratus Posterior Inferior Action

Depresses ribs

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Serratus Posterior Inferior Nerve

Intercostal nerves T9

41
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Serratus Posterior Inferior Blood Supply

Intercostal arteries