Explanation:
The muscles opposing the movement become the antagonists.
In a movement, like the back extension, the muscles that extend the back are the agonist.
The muscles that produce the opposite movement, which is back flexion, are the abdominals.
Doing aerobic exercise benefits the entire cardiovascular system simply by making it work at a high rate of efficiency. The heart pumps harder, the arteries contract, blood flows,and metabolism takes place at an increased rate...
<span>The benefits of aerobic exercise are many brain functions even improves.</span>
True, some stretching exercises can be harmful, even if performed correctly.
There are many stretching exercises that can cause you problems. The most sensitive spots on your body are your neck, your back, and your knees. The most common stretching technique is to bend over and touch your toes (even doctors will tell you to do this at times). Doing that will cause tension in your lower back which may be bad going forward.
