2-Minute Neuroscience: Knee-jerk Reflex
1:54
YouTubeNeuroscientifically Challenged
2-Minute Neuroscience: Knee-jerk Reflex
The knee-jerk reflex, also known as the patellar reflex, is a simple reflex that causes the contraction of the quadriceps muscle when the patellar tendon is stretched. I describe the course of the reflex arc from muscle spindles in the quadriceps muscle to motor neurons that cause movement of the leg. I also discuss the role of inhibitory ...
602.5K viewsJan 4, 2016
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