Order the following terms as they would occur in a typical stretch reflex. Some items may be placed equivalently (in sequential order from left to right); some events may occur simultaneously (statements overlapping).
1. Muscle stretch
2. Muscle spindles are activated
3. Sensory neurons transmit afferent impulses
(This two together in the same colon, one below to other)
4. Interneurons send inhibitory impulses to antagonistic motor neurons
5. Extrafusal fibers of the stretched muscle are excited
(This two together in the same colon, one below to other)
6. Efferent impulses cause the stretched muscle to contract
7. Efferent impulses to antagonistic muscles are reduced