Raise the tackle above ground for about 500mm using man power, until it goes to OA, start elevator; pull the tackle with low speed to OB (inclination angle=45 degree), and then use man power to lift the front legs slowly, put them into the two holes in the beam.

用人力將滑車抬起離地面約500mm高度達(dá)到OA位置A片观看，啟動升降機(jī)欧美成人aⅴ在线播放；低速緩慢拉起滑車部位及至OB位置（傾角45度）時(shí)最近中文免费资源，再用人力將前支腿緩慢撐起偷拍盗摄ⅩⅩⅩⅩⅩ亚洲人，置于橫梁兩端的孔中，前后支腿用側(cè)連桿連接好国产精品久久久久精品三级专区。

The stude announces that their changeable regular of the center of gravity level speed in supporting phase is falling in tne first cushioning phase. When their center of gravity's vertical lines pass their heels and their knee joints go on extended contraction ,their center of gravity level speed has extended .the reason is that their angles have passed the heels and their swinging legs' kenn joints have swinging the front of their bodies. Its power originates the swinging leg's forward active swinging and the decurtation contraction of hip joints 狠狠色视频一区二区、ankles of the supporting legs.the swinging leg shows "the calf's active backward swinging"before its landing impact,the skill affects the loss of center of gravity level speed when the swinging leg lands.they enlarge their trunks' forward-landing impact phase ,it can decrease the center of gravity level speed's loss after landing and impel the center of gravity level speed to pass the supporting spot quickly.

兩人緩沖階段身體重心水平速度變化規(guī)律是在體前緩沖階段呈下降趨勢；當(dāng)身體重心垂線超過腳后跟后免费三级片欧美，在膝關(guān)節(jié)繼續(xù)緩沖做退讓收縮的情況下身體重心水平速度開始加大最新国内偷拍精彩视频，原因是踝關(guān)節(jié)在最大緩沖時(shí)身體重心已移過支撐面及擺動腿膝關(guān)節(jié)已做體前擺動，主要?jiǎng)恿碓从跀[動腿的積極前擺和支撐腿髖一级a片性爱无码鲁鲁网、踝關(guān)節(jié)的克制性收縮www.激情五月天肏屄com；在擺動腿下壓著地前期是大腿積極下壓小腿隨大腿的積極下壓順勢向前下滑擺，在擺動腿下壓著地后期表現(xiàn)出"小腿積極回?cái)["技術(shù)97超碰人妻，對減小著地時(shí)的水平速度損失免费视频一区操、加大向前用力都有積極影響；適當(dāng)加大擺動下壓著地階段軀干的前傾角度国产精品一区二区女厕，有利于減少著地時(shí)相的速度損失和有利于身體重心較快的移過支撐點(diǎn)av网页在线观看啦；縮小后蹬結(jié)束后的后伸動作幅度国产一区二区三区手机在线观看，有利于減小騰空時(shí)間。

20X50y on :50, odds 15m kick underwater, then swim through turn and entire second 25 under on the way back; evens 25 kick under surface, one stroke away from wall turn and hold 15m kick underwater off turn.

前25碼91xxxxx在线，出發(fā)時(shí)做一個(gè)水下15米小幅度蝶泳腿的滑行亚州激情婷婷六月，然后游完剩下的十米，轉(zhuǎn)身后一口氣踢水下25碼狠狠操人人爱；再完成25米的回程勻速蝶泳腿后国产激情在线播放，在距壁一劃遠(yuǎn)的地方開始轉(zhuǎn)身，然后接一次水下15碼的小幅度蝶泳腿滑行www..yj234.com。

The simple forward extensions– such as Adho MukhaVirasana, Adho Mukha Svastikasana, Janu Sirsasana, TriangMukhaikapada in Paschimottatanasana, Ardha Baddha Padma inPaschimottanasana, Marichyasana, Parsva Upavisthakonasana, AdhoMukha Upavisthakonasana done restfully checks the over bleeding,soothes the abdomen and makes the throbbing brain-cells rest.

和緩地練習(xí)簡單的前屈動作-如下犬式性激烈的欧美一级视频， AdhoMukha Svastikasana，單腿背部伸式精品欧美一区二区不卡视频，單腿跪伸展式谁有黄色网址，半蓮花單腿背部伸展式www.毛片段子免费，圣哲瑪里琪式国产qv，屈肘支撐的和上半身完全伸展的坐角式可以緩解流量過大，緩和下腹部不適及安撫大腦細(xì)胞视频偷拍网。

The simple forward extensions such as Adho Mukha Virasana, Adho Mukha Svastikasana, Janu Sirsasana, Triang Mukhaikapada in Paschimottatanasana, Ardha Baddha Padma in Paschimottanasana, Marichyasana, Parsva Upavisthakonasana, Adho Mukha Upavisthakonasana done restfully checks the over bleeding, soothes the abdomen and makes the throbbing brain-cells rest.

和緩地練習(xí)簡單的前屈動作-如下犬式日韩午夜福利尤物在线观看视频， Adho Mukha Svastikasana，單腿背部伸式日韩深夜在线，單腿跪伸展式免费高清一级片，半蓮花單腿背部伸展式，圣哲瑪里琪式无码日韩人妻视频，屈肘支撐的和上半身完全伸展的坐角式可以緩解流量過大自拍视频在线观看网站，緩和下腹部不適及安撫大腦細(xì)胞。

We evaluated the sufferer's clinical curative effect before the second treatment, third treatment and in the 21th day with evaluate criteria.painful degree was recorded respectively with the visual analog score and lumbodynia and skelalgia score before each time of treatment and 7st day after the last treatment;detected IgG and IgM from blood serum before the first treatment and 7st day after the last treatmen.

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To prevent the interference in the antenna all-round rotation plane the nose landing gear legs are retracted rearward into the cowlings flight-wise and the main legs are retracted upward.

為防止在天線干擾全面旋轉(zhuǎn)飛機(jī)前起落架腿縮回到整流罩飛行明智的黄片高清无码在线观看，主要是收回腿向后向上8x福利视频。

Compared with the sail style and the hang style, the hitch kick style have advantages to join the front swing and trig swing of swing leg tightly, to speed the buffer and stretch of take-o?leg, to acquire more vertical muzzle velocity and to decrease losing of horizontal velocity, which results in more velocity and more angle when take o?.and more vertical height of body center, has advantage to obtain better result.

走步式空中技術(shù)能在起跳過程中通過緊密銜接的擺動腿加速前擺和制動前擺，加快起跳腿的緩沖和蹬伸動作速度欧美AAAAA级黃片，促進(jìn)身體重心獲得更大的垂直速度黄色视频在线分类视频，而且水平速度沒有更多的損耗，從而獲得更大的騰起速度和騰起角草草九视频在线观看，騰起時(shí)身體重心的垂直位置更高911视频黄色，最終取得優(yōu)異成績激情五月丁香婷婷，促進(jìn)跳遠(yuǎn)起跳技術(shù)朝著快速積極的方向發(fā)展。

The main technical parameters which decide the movement speed are the ankle angle of the support leg, the horizontal velocity, the hip angle and the support leg's hip joint angle, knee angle and the former support distance at the moment of contact, and the latter leg's hip joint angle, the upper arm's movement scope, the support leg's knee angle, the swing knee's angle, the support leg's hip angle at landing phase, and the ankle angle, the support leg's hip angle, the swing velocity of the former leg, the hip angle of the swing leg and the angle of the landing knee at the pushing phase.

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These 25 are separated by 25 meter kick, it is important in streamline drill that you can also consider an alternative kicking position in between each segment of streamline +2, streamline +4 and streamline to the full stroke alternating with 25 torpedo kick on your back then 25 with torpedo kick on your front, 25 with arms folded kick front and back, and 25 overlapping arms kicking, both on you front, side, or back.

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