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11 Cards in this Set
- Front
- Back
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Diaphragm
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O: crus, caudal margins of R8-10 medially on costal and chondral portions, xiphoid process, arcuate ligaments on transverse process of L1
I: central tendon L: draws central tendon down caudally to increase the vertical dimension of the thorax M: C3-C5 |
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Ext. Intercostals
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O: caudal margin of rib above
I: rostral margin of rib below L: flex rostral and lateral to caudal and medial to oppose action of internal intercostals M: T2-T12 |
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Int. Intercostals Intercartilaginous
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O: caudal margin of rib above
I: rostral margin of rib below L: flex ribs rostrally, oppose ext. intercostals M: T2- T12 |
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Costal Elevators
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O: transverse processes of C6-T10
I: rostral side of dorsal side of R1-R12 L: lateral and caudal to medial and rostral to elevate the ribs M: T2-T12 |
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Serratus Post. Superior
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O: C7-T3 spinous processes
I: R2-R5 on the dorsal surface of rib as far out as the angle L:Medial and rostral to lateral and caudal to flex the ribs rostrally M: T1-T4/5 |
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Sternocleidomastoid?
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O: manubrium, clavicle medially and rostrally
I: caudal surface of mastoid process L: rostral and lateral to elevate sternum M: XI (+C1-C4) |
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Scalenes?
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O: transverse processes of C2-C7
I: R1-R2 rostrally and far laterally L: caudal and lateral to rostral and medial to elevate and fix the upper ribs M: C3-C8 |
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Trapezius?
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O: rostral side of spine of scapula, to acromion, and around to rostral side of the clavicle
I: caudal occipital bone, spinous processes of C7-T12 L: laterally and rostrally toward the scapula to elevate rib cage dorsally M:XI (+C1-C4) |
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Pectoralis Major?
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O: medial area of the clavicle, sternum, and R1-R6
I: ventral, superficial humerus' rostral tubercle L: laterally to elevate the ribs M: C5-C8 + T1 |
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Pectoralis Minor?
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O: medial side of coracoid process
I: R3-R5 rostrally L: rostrally to elevate ribs M: C5-C8 + T1 |
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Serratus Anterior?
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O: ventral medial border of scapula
I: ventral/ lateral side of R8-R9 L: expands ribs ventrally and laterally M: C5-C7 |
