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The Femoral nerve.

Wikipedia:

Striking the patellar tendon with a tendon hammer just below the patella stretches the quadriceps muscles in the thigh. This stimulates stretch sensory receptors (i.e. muscle spindles) to trigger an afferent impulse in a sensory Ia-nerve fiber of the femoral nerve which synapses (without interneurones) at the level of L4 in the spinal cord, completely independent of higher centres.

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Related Questions

The patellar knee jerk reflex is an example of?

Patellar reflex is an involuntary, deep tendon and myotatic reflex


What nerve is tested in a biceps reflex test?

musculocutaneous nervethe musculocutaneous nerve


What is tested in patella reflex?

The patella reflex tests the integrity of the patellar tendon and the sensory and motor pathways that control the reflex. When the patellar tendon is tapped, it should cause the quadriceps muscle to contract and the lower leg to extend. If there is a lack of response or an abnormal response, it can indicate a problem with the nervous system.


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.


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.


Is a patellar reflex autonomic?

no


Which of the following is not correct regarding the patellar knee jerk reflex?

The statement "The patellar knee jerk reflex is controlled by the brain" is not correct. The patellar knee jerk reflex is actually a spinal reflex, meaning it does not involve the brain in its initial response.


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.


Another name for the patellar reflex is the?

the knee-jerk reflex


What reflex is the knee jerk reflex an example of?

knee jerk aka patellar reflex is an example of a stretch reflex


Which ligament of the knee initiates the knee-jerk reflex?

The patellar tendon, just underneath the kneecap


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.