LG4.12 PODCAST: Anatomy of the Suboccipital Triangle – Dr. Campbell Flashcards

1
Q

What are the five anatomic basis of back pain?

A

1) Fibroskeletal structures 2) Meninges 3) Synovial joints 4) Muscles 5) Nervous tissue

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2
Q

Where and what does a fracture pain mostly originate from?

A

Sharp pain in the periosteal region

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3
Q

Where and what does dislocation pain originate?

A

Ligamentous

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4
Q

Is pain from meninges common?

A

No it is rare

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5
Q

What innervates fibroskeletal structures and meninges?

A

Recurrent meningeal branches of the spinal nerves.

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6
Q

What is localized lower back pain mainly?

A

Muscular, joint, or fibroskeletal

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7
Q

What is muscular pain?

A

usually related to muscular cramping (spasms) producing ischemia

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8
Q

What innervates synovial joints and deep back muscles?

A

Posterior rami

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9
Q

Where does nervous tissue pain come from?

A

-Compression or irritation of spinal nerves or nerve roots -Typically referred pain

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10
Q

What are the muscles of the sub occipital triangle muscles?

A

-Rectus capitis posterior major -Obliquus capitis superior -Obliquus capitis inferior

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11
Q

What vessels run through the sub occipital region?

A

-Vertebral artery -Occipital artery

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12
Q

What can trauma do to the occipital artery?

A

Traumatic aneurysm of the occipital artery secondary to paintball injury.

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13
Q

What innervates the subcutaneous region of the head?

A

Ophthalmic nerve

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14
Q

What are the nerves of the suboccipital region?

A

-Greater occipital nerve -Suboccipital nerve

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15
Q

What are general characteristics of the greater occipital nerve?

A

-Dorsal ramus C2 -Sensory to posterior head

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16
Q

What are the characteristics of the suboccipital nerve?

A

-Dorsal ramus C1 -Motor to suboccipital muscles -No sensory

17
Q

What is Occipital Neuralgia?

A

-Can be cause of headache in the occipital region -Jabbing pain, possible numbness -Sensation in the posterior neck

18
Q

What is the currently accepted view of the occurrence of occipital neuralgia?

A

Currently accepted view is that occipital neuralgia results from chronic entrapment of occipital nerves by the posterior neck/scalp muscles.

19
Q

Where do you do an Interscalene nerve block?

A

Technique of anesthetizing the roots or trunks of the brachial plexus in the neck between the anterior and middle scalene muscles.