A spinal reflex is a rapid, involuntary response to a stimulus that is mediated primarily by thespinal cord, without involvement of the brain. Stretch and inverse stretch reflexes are two types of spinal reflexe
The patellar reflex, also called the knee reflex or knee-jerk, is a stretch reflex which tests the L2, L3, and L4 segments of the spinal cord.
What are the components of a reflex arch? Which reflex is the fastest? a. stretch reflex b. tension reflex c. withdrawal and crossed extensor reflexes d. flexor reflex e. crossed extensor reflex What is the pathway of a reflex arc when stimulated? What is the action of the extensor halluc...
What effectors are controlled by the autonomic nervous system? What is the sensory function of the autonomic nervous system? How is the heart regulated by autonomic reflexes? Does reflex involve the central or peripheral nervous system? What are disorders of the autonomic nervous system?
Afferent muscle stretch reflexes are initiated from muscle spindles9. Other afferent receptors such as joint receptors and skin sensors can generate further input8. The sum of these inputs results in reflexive movement in the absence of efferent signals from higher cortical centers7. Afferent neural...
Once you realize the simplicity of deep reflexes, knowing all the possible places to find them is the next challenge. Although there are many locations to elicit the stretch reflex, this article focuses on common locations for assessing reflexes in high-risk obstetric patients. Figure 2, Figure ...
or nerve reflexes designed to keep you from hurting yourself. And if you know whether any uncomfortable sensations you feel are warnings that you’re about to do damage, or whether they’re just notices that you’re entering exciting new territory, you can make an intelligent choice between pu...
“Inputs” are the external conditions to which a system mounts a response. As examples, current temperature is the input to a thermostat, and an automobile's wheel rotation speed is the input to cruise control. One input in the regulation of blood pressure is the stretch on baroreceptors ...
9 Months Pregnant: What's Happening to Your Baby During the Home Stretch? Your baby's lungs are developed for making the sweetest sound: that first big cry. Their reflexes are getting ready to respond to your voice and all the new sounds and sights they will soon be discovering. While a...
The Bainbridge Reflex is triggered when the stretch receptors in the atria are triggered – this means that there is an increased level of venous blood (not to be confused with an increase in arterial blood pressure). The Bainbridge and Baroreceptor reflexes work antagonistically, meaning that if...