chapter 12/13 Flashcards
If the lower motor neurons to a muscle are destroyed, which of the following signs affects the denervated muscles?
loss of reflexes
not characteristics of chronic pain?
clear description of location of the pain
Alpha and Gamma are ___________motor neurons
lower
Diminishes or inhibits pain messages
antonocioceptor
When myelin is damaged, the demyelinated regions on the axon, known as _________________take on new pathologic role of generating action potentials:
ectopic foci
The deactivation of knee flexion when kicking a ball is a good example of:
reciprocal inhibition
Rhythmic involuntary movements of a body part
tremor
When the muscle spindle detects a length change, what happens?
The agonist contracts and the antagonist is inhibited
Chronic pain is best described as:
neurogenic
At the spinal interneuron level, which contributes to the spinal control of walking?
SPGs
Detects tension and is positioned perpendicular to (in series) the musculotendinous junction, which inhibits the agonist
golgi tendon organ
An alpha motor neuron innervates ______________muscle fibers and a gamma motor neuron innervates ___________________ muscle fibers.
extrafusal (EFMF), intrafusal (IFMF)
The type of headache that is characterized by unilateral location, pulsating quality, severity that interferes with daily activities, and aggravation by routine physical activity?
migraine
three D’s of chronic pain
distress, disuse, disability