<span>It is the biosphere, which includes all living organisms and ecosystems is the highest physical level of biological study.</span>
hyperextension.
Hyperextension is a extension of a limb, a joint or part of the body beyond the normal limit.This can be a good exercise that works the lower back, the mid and upper back, specifically the erector spinae that suport our spine.
Basically, this range of motion is how far in each direction that joint can bend comfortably.
