At which synapse in the knee-extension reflex would you expect to find an IPSP?

Question

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In the knee-extension reflex, an inhibitory postsynaptic potential (IPSP) would be expected at the synapse between the interneuron and the flexor motor neuron. This is because, for the extension movement to occur, the flexor muscle must be inhibited to allow the extensor muscle to contract without opposition. The interneuron mediates this inhibition by releasing neurotransmitters that inhibit the flexor motor neuron, preventing the flexor muscle from contracting.

At Which Synapse in the Knee-Extension Reflex Would You Expect