Upper body stretching is not emphasize as much as lower body because they are not used as much as the lower body in sports.
This exercise improves the flexibility of the neck and helps strengthens and tones the muscles on the neck. Start off with a standing position with your arms at your sides. Roll your head around your chest, shoulders, and back in both directions. Flex your head forward by dropping your chin downward as far as possible. Next extend your head as far backward as possible. Repeat for a couple of reps and sets.
Stand with your feet shoulder length apart. While holding broomstick in the air with your arms straight, bring the stick to the position behind your back and tense all the stretched muscles. Relax, bring the stick to the font, Making your grip narrower, bring the stick to the back and tense again. Once the grip goes narrow enough that you can't move hold in that position for thirty seconds.
In any sports, a rapid twisting and bending is required of the trunk. Sit down and twist your trunk from side to side. Try to keep your arms and legs stationary.