TBL 6 Flashcards

1
Q

Dermatome C2 region of skin

A

Head, aside from face

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2
Q

Dermatome C5 region of skin

A

Shoulder

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3
Q

Dermatome C6 region of skin

A

Lateral arm and first 2 digits

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4
Q

Dermatome C7 region of skin

A

Middle finger

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5
Q

Dermatome C8 region of skin

A

Fourth and fifth digit

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6
Q

Dermatome T4 region of skin

A

Nipples

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7
Q

Dermatome L5 region of skin

A

Anterolateral shin and dorsum of the foot to the big toe

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8
Q

Dermatome S1 region of skin

A

Small toe, lateral foot, sole, and calf

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9
Q

Dermatome S2, S3, S4 region of skin

A

Perineal area

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10
Q

Trapezius (Action, Nerve, Nerve Root)

A

Action: Shoulder Elevation
Nerve: Spinal Accessory
Root: C2, C3, C4

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11
Q

Deltoid (Action, Nerve, Nerve Root)

A

Action: Shoulder Abduction
Nerve: Axillary
Root: C5

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12
Q

Biceps (Action, Nerve, Nerve Root)

A

Action: Elbow Flexion
Nerve: Musculocuteous
Root: C5, C6

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13
Q

Triceps (Action, Nerve, Nerve Root)

A

Action: Elbow Extension
Nerve: Radial
Root: C7

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14
Q

Extensor Pollicis Longus & Brevis (Action, Nerve, Nerve Root)

A

Action: Thumb Extension
Nerve: Radial
Root: C8

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15
Q

Palmar Interossei (Action, Nerve, Nerve Root)

A

Action: Finger Adduction
Nerve: Ulnar
Root: T1

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16
Q

Iliopsoas (Action, Nerve, Nerve Root)

A

Action: Hip Flexion
Nerve: Femoral
Root: L2

17
Q

Quadriceps (Action, Nerve, Nerve Root)

A

Action: Knee Extension
Nerve: Femoral
Root: L3

18
Q

Tibialis Anterior (Action, Nerve, Nerve Root)

A

Action: Ankle Dorsiflexion
Nerve: Deep Peroneal
Root: L4

19
Q

Extensor Hallucis Longus (Action, Nerve, Nerve Root)

A

Action: Great Toe Extension
Nerve: Deep Peroneal
Root: L5

20
Q

Hamstrings (Action, Nerve, Nerve Root)

A

Action: Knee Flexion
Nerve: Sciatic
Root: S1

21
Q

Herniated Disk

A
  • Weakness in the annulus fibrosis allowing the nucleus pulposus to leak into the spinal canal
  • occurs most often in cervical and lumbar regions
22
Q

Bulging Disk

A

Annulus fibrosis “bulges” into the spinal canal

23
Q

Posterior Longitudinal Ligament

A
  • Prevents posterior bulging/herniation of the intervertebral discs into the spinal cord
  • chances of posterolateral herniation (into nerve roots) is not reduced