Spinal Cord Injury Quiz

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Questions and Answers

Which region of the spinal cord has spinal nerves found above the corresponding vertebrae?

Sacral region

Thoracic region

Lumbar region

Cervical region (correct)

What does myotome refer to?

Muscles innervated by axons from a single spinal segment (correct)

Area of the skin innervated by the axon from a single segment

Region of the spinal cord with specific nerve connections

Peripheral nerve field muscle

Where are remaining spinal nerves found, except the C8 spinal nerve?

Below the corresponding vertebrae (correct)

Above the corresponding vertebrae

In the thoracic region

In the lumbar region

What does dermatome refer to?

Area of the skin innervated by the axon from a single segment Signup and view all the answers

What is the peripheral nerve field?

Muscle or areas of skin innervated by axon from an individual peripheral nerve Signup and view all the answers

What does a myotome specifically innervate?

Muscle Signup and view all the answers

What is the significance of the C8 spinal nerve?

It is found below the corresponding vertebrae Signup and view all the answers

Which term refers to the region of the skin innervated by the axon from a single segment?

Dermatome Signup and view all the answers

What is the role of the peripheral nerve field?

Innervating specific skin areas Signup and view all the answers

Which myotome is responsible for ankle dorsiflexion?

L5 Signup and view all the answers

Which level is associated with innervation of the trapezius and sternocleidomastoid muscles?

C3 Signup and view all the answers

Which classification of incomplete spinal cord injury is associated with damage to the anterior cord?

Anterior Cord Syndrome Signup and view all the answers

What is the classification of spinal cord injury characterized by significant impactful trauma?

Complete SCI Signup and view all the answers

Which myotome is responsible for wrist extensors?

C6 Signup and view all the answers

What is the male to female ratio for new cases of traumatic spinal cord injury in Australia?

4:1 Signup and view all the answers

Which myotome is responsible for elbow extensors?

C7 Signup and view all the answers

Which myotome is responsible for knee extensors?

L4 Signup and view all the answers

Which classification of incomplete spinal cord injury is associated with damage to the central cord?

Central Cord Syndrome Signup and view all the answers

What is the classification of spinal cord injury characterized by paralysis of all four limbs?

Tetraplegia Signup and view all the answers

Study Notes

Spinal Nerve and Vertebra Relationship

Spinal nerves above corresponding vertebrae are found in the cervical region.
Remaining spinal nerves, except for C8, are located below their corresponding vertebrae.

Myotome and Dermatomes

Myotome refers to a group of muscles innervated by a single spinal nerve root.
Dermatomes are regions of skin innervated by the sensory fibers of a single spinal nerve root.
C8 spinal nerve has a unique significance, as it represents the transition point between cervical and thoracic spinal nerves.

Peripheral Nerve Fields

The peripheral nerve field refers to an area of skin that a single peripheral nerve innervates, typically representing multiple spinal nerve segments.
The role of the peripheral nerve field is to provide a mixed sensory and motor function to a region.

Myotome Responsibilities

Ankle dorsiflexion is primarily controlled by the L4 myotome.
The C2 dermatomes are associated with the innervation of the trapezius and sternocleidomastoid muscles.
Wrist extensors are mainly innervated by the C6 myotome.
Elbow extensors correspond with the C7 myotome.
Knee extensors are governed by the L3 myotome.

Spinal Cord Injury Classifications

Anterior cord syndrome indicates damage to the anterior part of the spinal cord and is classified as an incomplete spinal cord injury.
A complete spinal cord injury classification characterizes paralysis of all four limbs (quadriplegia).
Central cord syndrome is associated with damage to the central region of the spinal cord.

Traumatic Spinal Cord Injury Demographics

The male to female ratio for new cases of traumatic spinal cord injury in Australia is approximately 4:1.

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Description

Test your knowledge of spinal cord injury (SCI) with this quiz. Learn about the primary features, prevalence statistics, structural organization, and pathophysiology of SCI. Explore the various classifications and enhance your understanding of neuromuscular rehabilitation.