Chap 2, Divisions of the Back (Spinal Column) Flashcards

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1
Q

Cervical (C)

A

Neck region. There are seven cervical vertebrae (C1 to C7).

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2
Q

Thoracic (T)

A

Chest region. There are 12 thoracic vertebrae (T1 to T12). Each bone is joined to a rib.

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3
Q

Lumbar (L)

A

Loin (waist) or flank region (between the ribs and the hipbone). There are five lumbar vertebrae (L1 to L5).

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4
Q

Sacral (S)

A

Five bones (S1 to S5) are fused to form one bone, the sacrum.

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5
Q

Coccygeal

A

The coccyx (tailbone) is a small bone composed of four fused pieces.

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6
Q

Divisions of the back (Spinal Column)

A

The spinal column is composed of a series of bones that extend from the neck to the tailbone. Each bone is a vertebra (plural: vertebrae).

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7
Q

Note: Spinal column vs spinal cord

A

Do not confuse the spinal column (back bones or vertebrae) with the spinal cord (nerves surrounded by the column). The column is bone tissue, whereas the cord is nervous tissue.

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8
Q

Note: Intervertebral spaces, i.e.: L5-S1

A

the spaces between the vertebrae (intervertebral spaces) are identified according to the two vertebrae between which they occur - for example, the L5-S1 space is between the fifth lumbar vertebra and the first sacral vertebra;

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9
Q

T2-3

A

is between the second and third thoracic vertebrae.

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10
Q

disc

A

within the space and between vertebrae is a small pad called a disc. The disc, composed of water and cartilage, is a shock absorber.

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11
Q

herniated disc or slipped disc

A

occasionally, a disk may move out of place (herniate) and put pressure on a nerve. This can cause pain in an area of the body affected by the nerve.

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