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Learn to learn to make bowls science
From;    Author:Stand originally
Bowling cries again " ground ball " , cry at first " 9 column make fun of " , traceable Germany. It is the indoor athletic sports that in board the ball uses a ball one kind to roll the bottle that knock wood on the road. A few countries of popular Yu Ou, beautiful, the Oceania and Asia.

The match distributes individual contest and much person game. Before contest, with draw second with the order that drop a ball. When the match, 10 wood jar is set in lane terminal triangularly, attend contestant to be in foul the ball is cast to bump wooden bottle by turns after the line; Every average per capita is successive two balls are pelt 1 round, 10 rounds for one bureau; Knockdown bottle of a wood gets 1 minute, with this analogize, notch much person to get the better of.

Regular regulation, when the athlete drops a ball, must stand in foul at the back of the line, must not be surmounted or touch foul line, the person that violate sentences this second to cast a ball to notch invalid. The movement that drop a ball sets to kind sends before using a right-hand seat, use other way to be breach of rules.

Bowling has sex of sex of amusement, interest, make a stand against and craftsmenship, mix with the body to the person of the volition take exercise. Because be indoor activity, do not suffer the effect of the outside ambient such as time, climate, also do not accept the restriction of the age, yi Xueyi is hit, become everyone of men and women so all the special motion of appropriate. Basic ability law:

1, of the ball choose

Bowls weight basically arrives from 6 pounds 16 pounds, 11 class.

2, the handy standard that pick a ball:

7 pounds of 6 ~ pupil

9 pounds of 8 ~ high school student

12 pounds of 10 ~ girl

14 pounds of 13 ~ male youth

16 pounds of 15 ~ are medium, advanced player

3, the standard picking a ball that is a basis with weight 1/10:

Pound of 40 ~ 49KG 10

Pound of 50 ~ 54KG 11

Pound of 55 ~ 59KG 12

Pound of 60 ~ 64KG 13

Pound of 65 ~ 69KG 14

Pound of 70 ~ 74KG 15

75KG above 16 pounds

4, grasp holding

Will insert in the middle finger of the hand and ring finger first point to aperture, again thumb deep insert point to aperture, control is sticking dambered surface, handhold ball firmly, the artifice keeps flat, the arm holds 90 ° part.

5, cast a law to reach drop a ball

To make bowling has a smooth acceleration, approach must have before dropping a ball. Pass dribble of move about arm in run-up only, ball ability gets acceleration quite. 4 paces run-up calls standard type run-up again, it includes pushball of the first pace, the 2nd pace is perpendicular lap, place after the 3rd pace is perpendicular, the 4th pace is forward and perpendicular time place and glissade drops a ball. When the arm swings, humeral ministry should be loosened, swing like pendulum.
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