Side Bends are another popular home exercise. They may be with closed fists.Standing Side Bends involve all of the abdominal muscles as well as the back muscles.
How to do:
1. Stand up straight and with your arms straight down at your sides.
2. Bend sideways holding your pelvis very firm. First one shoulder should bend down toward the floor.
3. When you reach a point where you cannot bend further, inhale, hold your breath and raise yourself back to the erect starting position exhaling when you reach the vertical position.
4. Repeat this movement numerous times before switching to the opposite shoulder.