[is action of crawl leg department what kind of? ] _ does _ how to do –

Article introduction

Swim to had made the favorite of a lot of people, when natant game watchs inside the television, everybody can see have a lot of swim appearance1000 beautiful net forum of Shanghai

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the match, be in various swim inside appearance, crawl is a most simple kind, also be people most a kind when begin study swim appearance, but do not look very simple, when a lot of people are learning crawl, the movement always is occurrence mistake, the face teachs everybody the action of right leg department of crawl under place.

Is action of crawl leg department what kind of?

Action of crawl leg department:

1, hoe foot hits water

Wrong action: Because the foot is being drawn,hoe foot hits water, the movement that call a leg very hoe like hoe same, call hoe foot to hit water again so; The main reason of this wrong action is, cause because of gambrel and instep insecurity; Still having a reason is gambrel flexibility is differred, that is to say flexibility is not very good. 1000 beautiful nets of Shanghai make friend

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Hoe foot dozen water

Right movement: Bipod instep should stretch tight appropriately straight, bipod is shown inside character 8, when water is being hit on, loosen appropriately, issue dozen of water to want proper insecurity to exert oneself to do sth. .

Take up instep is mixed tiptoe

Improve a method: Practice through onshore flexibility, often pressA falls in love with the sea to be the same as a city

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Press an ankle to improve the flexibility of the ankle, copy of upper mould of land of again much exercise hits a leg to practice, master behavioral essentials to practice helping up in water again board the exercise that call a leg, undertake whole cooperates an exercise adroitly again later, press below serious experience ankle go hitting water movement essentials.

Onshore pressure the ankle practices

Copy of land upper mould hits a leg to practice maintaining instep to stretch tight continuously

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Help up board the exercise that call a leg experiences instep to stretch tight to leave the action that presses water continuously

Is action of crawl leg department what kind of?

2, hit water with crus only

Wrong action: In moment of the crawl of begin to learn, hitting water with crus only also is an one of very common wrong actions. Because did not master the behavioral essentials that calls a leg good,this is, the concept of the movement that call a leg is not very clear. Main reason sends force to hit a leg to cause only from knee joint, knee has bent big; Did not accomplish send force by coxa ministry, ham drives crus, ankle to make the motion that hit water.

Crus dozen water

Right movement: Understanding coxa ministry sends force, ham drives crus, ankle to make the motion that makes water; Make sure straight leg calls a leg first, extraordinary experience ham drives crus to hit water, emphasize carry on straight leg. (can consult the movement summarizes ministry of issuance the crawl leg basically)

Experience ham drives crus to hit water movement

Improve a method: Through copy of land upper mould the exercise that call a leg experiences ham to drive the behavioral essentials of crus, notice straight leg calls a leg when the exercise, when carrying on must carry on straight leg. Skilled and junior travel helps an edge up to hit a leg to practice, the key experiences ham to drive movement of crus, ankle, undertaking helping up after adroitness board call a leg till adroitness till.

Copy of land upper mould practices experiencing ham to drive crus

Help an edge up to call leg practice

Help up board the exercise that call a leg experiences ham to drive crus

Is action of crawl leg department what kind of?

3, straight leg hits water or leg ministry is rigid

Wrong action: Hit water1000 beautiful nets of Shanghai are handed in1000 beautiful nets of Shanghai make friend

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Friendly

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When, leg ministry is inflexible one of wrong acts that the friend that straight leg hits water is the crawl of begin to learn often commits. When You Jin, because double leg movement is rigid not harmonious, affect the rate when advancement greatly. Its are main the reason is behavioral essentials is not clear about, did not master the order of the place that send force, additionally too nervous place creates leg department.

Leg ministry rigid

Right movement: Understanding the crawl hits a leg to send the order of force, emphasize coxa ministry sending force, ham drives crus, ankle to make the motion that makes water. When calling a leg, loosen the muscle of leg ministry appropriately.

Muscle is proper loosen

Improve a method: Through helping up board the exercise in hitting a leg to have water, when practicing, notice leg ministry muscle is loosened appropriately; Experience coxa ministry sends force, ham drives crus, ankle to finish whip shape to make the leg department action of water. The whole in water is having after adroitness cooperates an exercise, till adroitness till.

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