What is the primary function of muscle spindle?
Understand the Problem
The question is asking about the primary function of muscle spindles, which are sensory receptors located within muscles that detect changes in muscle length and the rate of that length change. This information is crucial for the body’s proprioception and for regulating muscle tone and reflexes.
Answer
To respond to muscle stretch and produce a stronger contraction to reduce it.
The primary function of muscle spindles is to respond to muscle stretch and, through reflex action, produce a stronger contraction to reduce the stretch.
Answer for screen readers
The primary function of muscle spindles is to respond to muscle stretch and, through reflex action, produce a stronger contraction to reduce the stretch.
More Information
Muscle spindles are fusiform in shape and play a crucial role in the regulation of muscle contractions, particularly during changes in muscle length.
Tips
Common mistakes include confusing muscle spindles with Golgi tendon organs, which sense muscle tension rather than length.
Sources
- Muscle spindle function - ScienceDirect - sciencedirect.com
- Muscle Spindles - Physiopedia - physio-pedia.com
- Muscle spindle - Wikipedia - en.wikipedia.org
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