Homework Help Question & Answers What prevents two antagonistic muscles from contracting simultaneously? O Polysynaptic reflexes The myotatic reflex Muscle spindles… What prevents two antagonistic muscles from contracting simultaneously? O Polysynaptic reflexes The myotatic reflex Muscle spindles Reciprocal inhibition QUESTION 2 Motor neurons communicate to muscle at the: neurofiber synapse muscle spindle polar junction neuromuscular junction QUESTION 3 What is responsible for initiating muscle contractions? […]




