Muscle spindles in your muscles have sensory neurons that detect the amount of stretch experienced by the individual muscle fibers. As you are sitting still reading this question, your brain "knows" the position of your elbow joint by monitoring the action potentials coming from one type of these sensory neurons, what type of sensory neurons are these?
A) tonic receptors
B) phasic receptors
C) acuity receptors
D) modality receptors

Question

Quizplus · Accepted Answer

Tonic receptors are sensory neurons that provide continuous information about the position and length of muscles, making them best suited for monitoring a joint's position during static activities like sitting still. Phasic receptors, on the other hand, are sensory neurons that respond to changes in muscle length and velocity and are better suited for dynamic activities like running or jumping. Acuity receptors don't exist, and modality receptors are a different type of sensory neuron that detects the type of stimulus, such as light or sound.

Muscle Spindles in Your Muscles Have Sensory Neurons That Detect