In Fig.2, 1 represents preliminary posture, swimming competitive match begins at 2, use hand onwards pull blocks,
body forward extends, with a feeling of being about to drop into water; 3 forcefully push blocks, hands extend out
from jaw; 4 arms extend downwards and sight moves downwards when leg off blocks; 5 Spring, that is to jump
towards 45 degree direction of front side, and form streamlined in the air: 6when swimmers center arrived the top
point, control waist bending; 7 when swim-in, hand entry into water first, try to control hands and legs enter into water at one point; 8 after body entering into water, swimmers should straight back, body extends forwards; 9
slightly carry out dolphin kick, and meanwhile accelerate speed; 10 before out of water, body should take twice or
four times shake kick, head should be lowered and remain body streamlined; 11 make one stroke in water, then float
on water, first stroke without breathing after diving in short distance swimming; 12 is the continue actions of 11.
In Fig.2, 1 represents preliminary posture, swimming competitive match begins at 2, use hand onwards pull blocks,body forward extends, with a feeling of being about to drop into water; 3 forcefully push blocks, hands extend outfrom jaw; 4 arms extend downwards and sight moves downwards when leg off blocks; 5 Spring, that is to jumptowards 45 degree direction of front side, and form streamlined in the air: 6when swimmers center arrived the toppoint, control waist bending; 7 when swim-in, hand entry into water first, try to control hands and legs enter into water at one point; 8 after body entering into water, swimmers should straight back, body extends forwards; 9slightly carry out dolphin kick, and meanwhile accelerate speed; 10 before out of water, body should take twice orfour times shake kick, head should be lowered and remain body streamlined; 11 make one stroke in water, then floaton water, first stroke without breathing after diving in short distance swimming; 12 is the continue actions of 11.
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