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Bones - Lesson 4
Bones of the Thorax and Vertebral column
| Question | Answer |
|---|---|
| The breastbone is known as what? | Sternum |
| What are the 3 fused bones that make up the sternum? | manubrium, sternal body, xiphoid process |
| How many vertebrae does an adult have? | 26 |
| Over which rib do the great vessels and main nerves run? | First |
| What is the role of the supraspinous ligament? | Connects C7 to L5, offering strength and stability |
| Where do the clavicle and most ribs attach? | Sternum |
| What are the functions of the spine? | Stability, movement, supporting structure for the head, attachemtn site for muscles and ligaments, absorbs shock, protects the spinal cord. |
| Which ligament attaches from the occipital bone to the spinous processes of the cervical vertebrae? | Nuchal ligament |
| What are the 2 main regions of the vertebrae (except C1)? | vertebral body and the arch |
| The circle of bone that extends out from the body of the vertebra is what? | The vertebral arch |
| The spinous process projects anteriorly or posteriorly? | posteriorly |
| Each vertebra articulates with another vertebrae by what? | articular facets |
| What is the name of the opening created at the pedicles for the spinal roots to pass through? | intervertebral foramen |
| What is the name of the trench in the lamina region of the spine | lamina groove |
| What is the name of the first cervical vertebra/C1? | atlas |
| What makes the atlas different from other vertebrae? | no body, pedicles or laminae |
| Which vertebrae is known as the axis? | C2 |
| Which cervical vertebra does not possess a transverse foramen, forcing blood vessels to pass over the transverse process? | C7 - The vertebra prominens |
| Which vertebrae are the shortest and thickest? | Lumbar |
| What bone forms the central portion of the anterior chest wall? | sternum |
| What bone is the manubrium found on? | sternum |
| How many pairs of true ribs are there? | 7 |
| To what do the false ribs attach? | costal cartilage, which attaches to the sternum |
| Which ribs are considered an endangerment site in massage? | Floating ribs |
| Do the lumber vertebra curve posteriorly or anteriorly? | anteriorly |
| Which region of the vertebral column is tail shaped? | coccyx |
| Name the two parts of an intervertebral disk: | annulus fibrosus & nucleus pulposus |
| What passes through the vertebral canal? | spinal cord |
| What passes through the intervertebral foramen? | spinal roots |
| What purposes do the sacrotuberous ligament and the iliolumbar ligament possess? | stability to the vertebrae and pelvis |
| Which region of the vertebral column possesses the largest vertebral bodies? | lumbar |
| The jugular notch is located on which bone? | Sternum |
| The top of your iliac crest is in line with which vertebrae? | L-4 |
| Which cervical vertebrae has a much wider transverse process than the rest? | C-1 |
| What is the troughlike space between the spinous and transverse processes of the vertebrae? | Lamina groove |
| The junction between the manubrium and the body of the sternum is called what? | sternal angle |
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