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they are located in knees.
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∙ 13y ago
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Where are sensory stretch receptors of the withdrawal reflex located?
they are located in the limbs, because the limbs are the effectors of the withdrawal reflex.
How does the stretch reflex cause the quadriceps femoris muscle group to contract?
Tapping on the patellar tendon stretches receptors called the muscle spindles in the quadriceps muscle group of the anterior thigh. This stimulus evokes a rapid motor reflex to contract the quadriceps and shorten the muscles. This process is called the patellar reflex.
Is the Patellar reflex inhibited or enhanced by voluntary muscle activity in the quadriceps?
The patellar reflex is enhanced by voluntary muscle activity in the quadriceps. When you contract your quadriceps, it stretches the patellar tendon, causing a stronger reflex response when the knee is tapped.
What reflex prevents a muscle from exerting too much tension?
It's called the stretch reflex and involves muscle spindles which are sensorimotor organs located in skeletal muscle.
What nerve is carrying the afferent and efferent impulses during the patellar reflex?
The nerves innervate the quadriceps. The afferent nerves are the muscle spindles and the efferent are the motor neurons.
The myotatic reflex is provoked by activation of What in a stretched muscle?
The myotatic reflex is provoked by activation of muscle spindles in a stretched muscle. These muscle spindles are sensory receptors that detect changes in muscle length and help regulate muscle contraction and body position. When a muscle is stretched, the muscle spindles send signals to the spinal cord, leading to a reflex contraction to prevent overstretching.
What muscle is involved with the patellar reflex?
The quadriceps group of muscles. Rectus Femoris more specifically.
Describe how the patellar knee-jerk reflex operates?
The patellar knee-jerk reflex is a monosynaptic reflex arc involving the sensory neurons, spinal cord, and motor neurons. When the patellar tendon is tapped, sensory receptors called muscle spindles detect the stretch and send a signal to the spinal cord. The spinal cord then immediately sends a signal back to the quadriceps muscles to contract, causing the knee to jerk involuntarily.
The patellar reflex is a type of?
The patellar reflex is a type of stretch reflex that involves tapping the patellar tendon to elicit a contraction of the quadriceps muscle and extension of the knee. This reflex helps to maintain balance and stability.
Stimulation of the patellar tendon results in a muscle contractions called what?
A reflex.
What does the patellar reflex employ?
The patellar reflex employs the sensory and motor nerves in the leg that control the contraction of the quadriceps muscle in response to tapping the patellar tendon just below the knee cap.
What is another name for muscle spindles?
Proprioceptors, stretch-reflex receptors.
