Reaching ...............via the SOMATIC nervous system.
The somatic nervous system is the part of the peripheral nervous system which is associated with associated with voluntary control of body parts.
The major functions of the somatic nervous system is voluntary movement of muscles and organs.
Compression and stretching are actually caused by the stress on the both.
Compression happens on the side of impact and Stretching happens ont he side opposite to that of the impact.
Sorry the photo isn't clear
