Final answer:
Clonus is not a flapping motion caused by alternate activation of antagonistic stretch reflexes. It is actually a neurological condition characterized by rhythmic muscle contractions and relaxations.
Step-by-step explanation:
False. Clonus is not a flapping motion caused by alternate activation of antagonistic stretch reflexes. Clonus is actually a neurological condition characterized by involuntary, rhythmic muscle contractions and relaxations. It is typically associated with upper motor neuron lesions and can be observed in conditions such as multiple sclerosis or spinal cord injuries.