tendon reflex

 Tendon reflex

Tendon reflex cause contracting (agonist) muscle to relax and opposing (antagonist) muscle to contact.

Tendon reflex is response to contraction of muscles.

Tendon reflexes are polysynaptic and ipsilateral.

In tendon of agonist muscle, tendon organ receptors are stimulated by contraction.

Sensory impulses excite association neuron in spinal cord, which then excite motor neuron to antagonist muscle.

Sensory neuron also synapse with inhibitory association neuron which sends fewer nerve impulse to contracting muscle.

Innervation provided by tendon reflex causes contracting (agoinst) muscle to relax and the opposing (antagonist) muscle to contract.

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