Scapular muscles Flashcards
Upper Trapezius
O: Occipital Bone + Nuchal Line I: Clavicle + Acromion Process A: Scapular Elevation +Upward Rotation N: CN XI + C3/4
Middle Trapezius
O: Spinous Process C7-T3 I: Scapular Spine A: Scapular Retraction N: CN XI + C3/4
Lower Trapezius
O: Spinous Process of T Vertebrae I: Scapular Spine A: Scapular Depression + Upward Rotation N: CN XI + C3/4
Levator Scapula
O: Transverse Process C1-C4 I: Vertebral Border of the Scapula A: Scapular Elevation + Downward Rotation N: C3/4 + Dorsal Scapular Nerve (C5)
Rhomboids
O: Spinous Process C7-T5 I: Vertebral border of Scapula + Inferior Angle A: Scapular Retraction + Elevation + Downward Rotation N: Dorsal Scapular Nerve (C5)
Serratus Anterior
O: Lateral surface of ribs 1-8 I: Vertebral Border of the scapula A: Scapular Protraction + Upward Rotation N: Long Thoracic Nerve (C5-C7)
Pectoralis Minor
O: Ribs 3-5 I: Coracoid Process A: Scapular Depression + Protraction + Downward Rotation + Tilt
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Upper Trapezius
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Middle Trapezius
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Lower Trapezius
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Levator Scapula
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Rhomboids
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Serratus Anterior
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Pectoralis Minor