Term
| Name the 5 sections of the vertebral column and how many vertebra in each. |
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Definition
Cervical (7)
Thoracic (12)
Lumbar (5)
Sacrum (5 fused)
Coccyx (4 segments: 1 free and 3 fused) |
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Term
| The 2 main branches of the spinal cord and what they innervate. |
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Definition
Posterior rami - deep muscles and skin of the back.
Anterior rami - (larger) innervate most other regions of the body except the head: the superficial back and upper and lower limbs. |
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Term
| How do the spinal nerves exit the vertebral canal? |
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Definition
| They exit through the intervertebral foramina |
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Term
| What innervates anterior skin (Dermatomes)? |
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Definition
Cutaneous branches of the anterior rami of spinal nerves. They innervate the skin of the anterior trunk and the entire upper and lower limbs. |
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Term
| What innervates the cutaneous skin of the posterior head and back? |
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Definition
cutaneous branches of posterior rami of spinal nerves. |
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Term
When do primary and secondary curves develop? |
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Definition
Primary - prior to birth Secondary - post natal period |
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Term
| Which areas of the vertebral column are concave anterior? |
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Definition
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Term
| Which vertebral areas are convex posterior? |
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Definition
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Term
| Primary curves of the spine? |
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Definition
| Thoracic and sacral/coccygeal curvature |
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Term
| When does the cervical curve become evident? |
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Definition
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Term
| When does the lumbar curve become evident? |
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Definition
during crawling, sitting, standing. |
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Term
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Definition
Motor: Accessory Nerve CN XI (11) Proprioception: C3 and C4 |
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Term
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Definition
1.) Elevates scapula (upper fibers) 2.) Depresses scapula (lower fibers) 3.) Assists in rotating the scapula during abduction of humerus. 4.) Middle fibers adduct 5.) Upward and outward scapular rotation |
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Term
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Definition
| Superficial branch of the transverse cervical artery |
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Term
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Definition
Can't shrug shoulder Trapezius muscle atrophy Shoulder droop |
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Term
| What type of injury can cause shoulders drooping or a pt. to lose ability to shrug shoulders? |
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Definition
Penetrating trauma - stab or bullet wound Surgery in the lateral cervical region - removal of cancerous lymph nodes. |
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Term
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Definition
Origin: Superior nuchal line External occipital protuberance Ligamentum nuchae Spinous processes of C-VII to T-XII Insertion: Laterial 1/3 of clavicle Acromion Spine of scapula |
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