Question | Answer |
Number of Vertebrae? Cervical, Thoracic, Lumbar, sacral, coccygeal | 7 Cervical, 12 Thoracic, 5 Lumbar, 5 Sacral, 4 coccygeal |
Vertebrae that are fused? | Sacrum and coccyx |
Vertebral column is flexible because? | 1. Small parts
2. Ligaments
3. Muscles |
Weight Bearing characteristics of vertebrae | Vertebrae carry progessive more weight. Larger until sacrum |
What are the primary curvatures | Thoracic and Sacral |
What are the seconday curvatures | Cervical and lumbar |
Kyphosis is? | Hunchback excessive curvature in thoracic vertebrae |
Lordosis | Sway back, excessive lumbar curvature |
4 typical part to vertebrae | 1. Arch
2. Body
3. Several processes for muscle attachment
4. Relatively short spinous and transverse processses |
Cervical Vertebrae characgteristics | C1- Atlas, C2 Atlas, C3-6 typical
C7- transitional. |
Carotid Tubercle vertebral level? | C6. Carotid artery can be compressed |
C1 nerve exits? | Between skull and C1 |
Thoracic Vertebrae have? | Spinous Processes,
Mammillary process- for muscle attachment
transverse process |
Medial Sacral Crest formed by? | S3 and S4 spinous processes |
Sacral Groove | |