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What is the Name of the receptor for the stretch reflex?
The receptor for the stretch reflex is called the muscle spindle. Muscle spindles are sensory receptors located within the belly of muscles, and they detect changes in muscle length and the rate of that change. When a muscle is stretched, the muscle spindle initiates the stretch reflex, leading to a contraction of the muscle to resist the stretch. This reflex helps maintain posture and balance.
What stimulus is the receptor in the muscle in the leg is sensitive to?
The receptors in the muscles of the leg, specifically muscle spindles, are sensitive to changes in muscle length and the rate of stretch. They detect the stretch of the muscle fibers and provide feedback to the central nervous system about the position and movement of the limb. This information is crucial for coordinating muscle contractions and maintaining balance and posture. Additionally, Golgi tendon organs in the tendons respond to changes in muscle tension.
Which muscle has highest density of muscle spindles?
The muscle with the highest density of muscle spindles is typically the extraocular muscles, which control eye movement. Muscle spindles are sensory receptors that detect changes in muscle length and the rate of that change, playing a crucial role in proprioception and reflexes. Their high density in the extraocular muscles allows for precise control and rapid adjustments necessary for eye coordination and stability.
Richmond lang effect is produced by?
The Richmond Lang effect is produced by the increased firing rate of muscle spindles that occurs when a muscle is subjected to a sudden stretch. This reflex response helps to protect the muscle from potential injury by quickly contracting in response to stretching.
Differences between annulospiral and flower ending?
Afferent innervation in the musclespindle :a) Primary afferent:That forms annulo-spiral endings to the central part of both nuclear bag and nuclear chain intrafusal muscle fibers. They are thick and rapidly conductingb) Seconderyafferent:That forms flower-spray endings on both sides of annulospiral endings in intrafusal muscle fibers. They are thinner and slower in conduction.
Which two nerve fibers carry impulses from receptors in muscle to the Central Nervous System?
The two types of nerve fibers that carry impulses from muscle receptors to the Central Nervous System are Ia and II afferent fibers. Ia fibers transmit information from muscle spindle receptors, which detect changes in muscle length and rate of stretch, while II fibers relay information from Golgi tendon organs and muscle spindles, providing feedback on muscle tension and static length. Together, they play a crucial role in proprioception and the coordination of movement.
How can you measure how hard your heart muscle is working?
Heart rate monitor
What does rate pressure product indicate physiologically?
Rate pressure product indicates the amount of stress being placed on the heart muscle. The measure is taken by multiplying the heart rate with the systolic blood pressure.
Explain the function of stretch receptors in regulating breathing?
The function of the stretch receptors in regulating breathing is to reduce the respiratory rate.
Increased return of the blood to the heart stretche's the muscle which does what?
increases the heart rate. ---- Increases the force of contraction, and therefore, the amount of blood pumped out at a time. Think of a rubber band...the more you stretch it, the harder it contracts when you let go.
Can rocks stretch?
Rocks can stretch if you apply the force over a long time and the deformation occurs at a very slow strain rate.
What is the primary rate limiter for running?
Rate limiters retard or impede development. In running the primary rate limiters are self-organizing, muscle endurance, and muscle strength of each individual.
