Bones of the Axial Skeleton Continued Agenda:. Double curvature of the spine - adaptation for...
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Transcript of Bones of the Axial Skeleton Continued Agenda:. Double curvature of the spine - adaptation for...
• Bones of the Axial Skeleton Continued
Agenda:
Double curvature of the spine -adaptation for upright posture
Vertebral Column
C1 = atlasC2 = axisC1 – C7 = cervical vertebrae
T1 – T12 = thoracic vertebrae
L1 – L5 = lumbar vertebrae
Page 219 – Draw and label a vertebra
Please know:•Superior articular process•Inferior articular process•Vertebral body•Spinous process•Transverse process
How to distinguish between vertebrae types
Cervical Thoracic Lumbar
smaller, more larger, U body, largest, doesflexible, bifid shape, rigid, not articulateprocess, narrow articulates with with ribs, largenerve passage, the ribs, medium nerve passage,no rib articulation, nerve passage circular body oval body shape shape (oval)
Sacrum & Coccyx
Thoracic Cage True ribs (pairs 1 – 7)False ribs (pairs 8 – 12)Floating ribs (pairs 11 – 12)
Parts of Sternum:•Manubrium•Body•Xiphoid Process