I don't know what you have to choose from, but it has to be somewhere along the lines of your elbow bending to approximately a 90 degree angle and then straightening your arm out again. And you back, hips, waist, and posterior cannot be arched.
The nervous tissue hope it helps :3
It is impossible for a stable joint to become too mobile. False.
U are more of a man because you care and feel for them
