Answers

2014-06-28T18:00:23+08:00
Bending-incline the body to down vertical
stretching-to stretch our body or to exercise 
0
2014-06-28T18:28:28+08:00
I'm not exactly sure on what you want to ask about but in stretching  you straighten the arm or leg while in bending, it is somehow the opposite of stretching, your arm or leg turns in an angle shape. But both are a form of exercise.
0