V**********1
发帖数: 24381 | 1 中风症状如何ID？
Sudden numbness or weakness of the face, arm or leg, especially on one side
of the body。
Sudden inability to talk or understand what is being spoken to you
Sudden confusion or disorientation
Sudden trouble seeing in one or both eyes
Sudden trouble walking, dizziness, loss of balance or coordination
Sudden, severe headache with no known cause. Headache is more common in the
case of hemorrhagic strokes, but can accompany all types of strokes.
Find out if the symptoms are new. Any of thes... 阅读全帖 |
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s*******n
发帖数: 12995 | 2 ☆─────────────────────────────────────☆
wu175 (JET) 于 (Wed Mar 14 09:50:10 2012, 美东) 提到:
有个故事，老三届同学聚会,一位女士在搞烤肉时绊倒，摔了一跤，旁边的朋友建议
找医护人员，但她很确定自己没事，只是穿了新鞋被砖块绊了一下罢了。她还有点危
危颤颤站立不稳的时候，朋友们帮她清洗干净，又为她盛了一盘食物，她就跟着大家
一起享受接下来的时光了。她的先生后来打电话通知大家，她被送到医院，傍晚六点，
就过世了，原因是她在烤肉聚餐的时候中风。如果他们懂得辨识中风的症兆，她现在
也许还跟我们在一起。
只需要花一分钟的时间读完这篇文章，脑神经外科医师说，如
果他能在三小时之内接触到中风患者，他就可以将中风的后果完全扭转过来。诀窍就
是辨识诊断出中风的问题，并让病患在三小时之内接受医疗，而这是很难的。 辨识
中风 让我们记住 STR 三步骤，请阅读并学习 ! 有时候中风的症兆很难辨认，不
幸的是，缺乏警觉就会带来灾难。身边的人辨认不出中风的征兆，中风患者就会严重
脑伤。 医生说，旁人只要问三个简单的问题，... 阅读全帖 |
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i*********5
发帖数: 19210 | 3 【 以下文字转载自 Tri 讨论区 】
发信人: ironman2015 (1/2 ironman x3), 信区: Tri
标 题: 今早终于又回到泳池了
发信站: BBS 未名空间站 (Wed Nov 21 10:39:25 2012, 美东)
主要是游了三个500米，刚进水时，特别注意strokes，因此stroke count低，效率高，
游得也快。后面两个500米stroke count就上去了，也就慢下来了。当然也有可能是累
了的原因。
set 1: 11:05, 2:13/100m,avg strokes 22.7, avg swolf 44
set 2: 11:20, 2:16/100m, avg strokes 24.7, avg swolf 47
set 3: 11:50, 2:22/100m, avg strokes 28, avg swolf 50
接下来的训练目标就是保证在累了的情况下也不让stroke count上去，目前来说22/25m
就行了，长期目标是20/25m。 |
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d**y
发帖数: 18174 | 4 前面我们讨论的是怎么一步一步地练习butterfly stroke。走的学习路径是：躯干-->
加腿-->躯干和腿的配合-->加手-->优化细节动作。现在练到一半，可以走起来，但是
不会很快。随着你增加练习，屁股会从现在的“同步”慢慢过渡到“跟随”胸的动作，
就可以提高速度。
如果你想很快走起来，那应该同时练习dolphin kick。dolphin kick和butterfly
stroke是两码事，关键区别是dolphin kick要保持手臂和胸的平直，没有压胸和挺胸的
动作，从下腰发力；既然叫kick，腿要配合腰发力，并拢腿（但是不要太紧张僵硬）绷
脚背上下打水。flutter kick / breast kick加上手和配合，就可以变成front crawl
stroke / breaststroke stroke，dolphin kick却是单独水下使用的。一说dolphin
kick，implication就是underwater dolphin kick。
那能不能省略butterfly stroke的练习，只练dolphin kick，然后加手加胸加头的动作
？换句话说... 阅读全帖 |
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d**y
发帖数: 18174 | 5 前面我们讨论的是怎么一步一步地练习butterfly stroke。走的学习路径是：躯干-->
加腿-->躯干和腿的配合-->加手-->优化细节动作。现在练到一半，可以走起来，但是
不会很快。随着你增加练习，屁股会从现在的“同步”慢慢过渡到“跟随”胸的动作，
就可以提高速度。
如果你想很快走起来，那应该同时练习dolphin kick。dolphin kick和butterfly
stroke是两码事，关键区别是dolphin kick要保持手臂和胸的平直，没有压胸和挺胸的
动作，从下腰发力；既然叫kick，腿要配合腰发力，并拢腿（但是不要太紧张僵硬）绷
脚背上下打水。flutter kick / breast kick加上手和配合，就可以变成front crawl
stroke / breaststroke stroke，dolphin kick却是单独水下使用的。一说dolphin
kick，implication就是underwater dolphin kick。
那能不能省略butterfly stroke的练习，只练dolphin kick，然后加手加胸加头的动作
？换句话说... 阅读全帖 |
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l*******u
发帖数: 1288 | 6 A masculine Welsh rugby player, who was engaged to be married to his
girlfriend, suffered a stroke after a freak weight lifting incident. When he
woke up, he was gay.
Chris Birch claims that he was a heterosexual for 26-years. But when he
woke up from his stroke, he got a job as a hairdresser, found rugby
repulsive, and was no longer attracted to his girlfriend.
Birch said:
“I was gay when I woke up and I still am. It sounds strange but when I came
round I immediately felt different. I wasn’t i... 阅读全帖 |
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l****z
发帖数: 29846 | 7 http://www.dailymail.co.uk/health/article-2058921/Chris-Birch-s
Burly rugby player has a stroke after freak gym accident… wakes up gay and
becomes a hairdresser
By Luke Salkeld
UPDATED: 07:30 EST, 9 November 2011
When 19-stone rugby player Chris Birch suffered a stroke during a freak
training accident, his family feared it would be a life-changing injury.
Yet while his recovery certainly brought about a transformation, it seems to
have been in a way no one could have expected.
For when he regain... 阅读全帖 |
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m********4
发帖数: 607 | 8 Afib is one of major risk factors to cause stroke. It is common to see pts
with afib in both hospital and clinic. How to manage pts with afib w/o
stroke?
*Thank eastlake to contribute Anticoagulation question.
http://www.mitbbs.com/article_t/Medicalpractice/31165.html
I would recommend the following paper to read.
* A new landscape for stroke prevention in atrial fibrillation: focus on new
anticoagulants, antiarrhythmic drugs, and devices.
Stroke. 2011 Nov;42(11):3316-22. Epub 2011 Oct 13.
A... 阅读全帖 |
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i*********5
发帖数: 19210 | 9 主要是游了三个500米，刚进水时，特别注意strokes，因此stroke count低，效率高，
游得也快。后面两个500米stroke count就上去了，也就慢下来了。当然也有可能是累
了的原因。
set 1: 11:05, 2:13/100m,avg strokes 22.7, avg swolf 44
set 2: 11:20, 2:16/100m, avg strokes 24.7, avg swolf 47
set 3: 11:50, 2:22/100m, avg strokes 28, avg swolf 50
接下来的训练目标就是保证在累了的情况下也不让stroke count上去，目前来说22/25m
就行了，长期目标是20/25m。 |
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i*********5
发帖数: 19210 | 10 是的，叫做＂signature kick＂
孙杨: In general, 孙杨 exhibits the "half-catchup" style of stroke that has
become more common in the last decade or so. This half-catchup style is also
referred to as 'front quadrant" swimming. As for his kick, Yang
demonstrates a variety of kick frequencies, alternating between a 2,4 and 6-
beat kick during recent races, although he seems to settle into a 4-beat as
the dominant rhythm through much off the middle of his races. Yang also
demonstrates a pronounced "signature kic... 阅读全帖 |
|
|
z*********n
发帖数: 94654 | 12 那天npr一个节目，采访一个stroke砖家，说到一种药，说，如果有stroke症状，三个
小时内送到stroke专业emergency center，apply那种药，治愈率几乎100％。但3个小
时之内是关键。好像欧洲把时限提高到4个小时了，美国还是三个小时的标准。出了三
个小时，就不能用那种药了，十分危险。
所以最关键要非常stroke literate，一有症状赶紧联系stroke expert emergency
center
很多普通医生据说很操蛋，你说是stroke人还笑话你呢
seen |
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F******7
发帖数: 4765 | 13 长话短说，择一良辰吉日，把兄弟平生第一次做的木匠活儿挂了出去。
不久的一天晚上回来，看到邻居的老头正站在那个门边上向院子眺望。突然回头看到
我，说了句 that's a good job you did with that door。然后看他脸色不太对，说
I think I just had a stroke.
这个时候我才注意到他肩膀上搭着一只猫，金色的毛，大大的眼睛打量着我。
Stroke, stroke, stroke. 我赶紧跑回家，查字典。原来是“中风”的意思。
过了两天我又看到了他，高兴地和我打着招呼。大概stroke好了。当时我特佩服他。
Stroke就像家常便饭，淡定得很。
这是第二次见到Max. 除了“马克西姆”这个洋名儿，我还给她起了个好听的中文名
字，叫“张丽芳”。
第一次其实也不是见到本尊。还是入住着洗地毯的时候。一个晚上我来看干了没有。
结果看到一排小脚印，从后门进来的。在客厅绕了一圈，在主卧犹豫了一下，然后又在
起居家徘徊了一会儿，最后又从旁门出去，在门口还有一块湿。
门挂上之后的几年，老夫妇再也没有不请自进过后院。不过马克 |
|
F******7
发帖数: 4765 | 14 长话短说，择一良辰吉日，把兄弟平生第一次做的木匠活儿挂了出去。
不久的一天晚上回来，看到邻居的老头正站在那个门边上向院子眺望。突然回头看到
我，说了句 that's a good job you did with that door。然后看他脸色不太对，说
I think I just had a stroke.
这个时候我才注意到他肩膀上搭着一只猫，金色的毛，大大的眼睛打量着我。
Stroke, stroke, stroke. 我赶紧跑回家，查字典。原来是“中风”的意思。
过了两天我又看到了他，高兴地和我打着招呼。大概stroke好了。当时我特佩服他。
Stroke就像家常便饭，淡定得很。
这是第二次见到Max. 除了“马克西姆”这个洋名儿，我还给她起了个好听的中文名
字，叫“张丽芳”。
第一次其实也不是见到本尊。还是入住着洗地毯的时候。一个晚上我来看干了没有。
结果看到一排小脚印，从后门进来的。在客厅绕了一圈，在主卧犹豫了一下，然后又在
起居家徘徊了一会儿，最后又从旁门出去，在门口还有一块湿。
门挂上之后的几年，老夫妇再也没有不请自进过后院。不过马克 |
|
x***8
发帖数: 369 | 15 裁判判的是invading the opponent’s court，不是Obstructions。这个时候
obstruction只能是小李。
13.4.2
invades an opponent’s court over the net with racket or person except that
the striker may follow the shuttle over the net with the racket in the
course of a stroke after the initial point of contact with the shuttle is on
the striker’s side of the net;
谌龙扑球，李宗伟是放弃的状态，手上没动作，谌龙怎么影响李宗伟？李宗伟是想搓个
Hairpin net shot, 让高点在自己这边，球在下降的时候过网，从而限制谌龙进攻。谌
龙这个不是brush net kill（击球前或击球时拍子部分已经过网，但击球点在己方场地
），所以如果你同意击球点在谌龙一方就说明问题了。
13.4.4
o... 阅读全帖 |
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w***n
发帖数: 9040 | 16 2012.8.7 游泳一小时
Distance: 1,600 yd
Pool Length: 25 yd
Time: 34:03
Avg Pace: 2:08 min/100 yd
Calories: 320 C
Avg Efficiency : 47
Avg SWOLF : 43
Time: 34:03
Elapsed Time: 49:51
Avg Pace: 2:08 min/100 yd
Best Pace: 1:43 min/100 yd
Avg Strokes: 10.8 / length
Total Strokes: 688.0
Interval,Swim Stroke,Lengths,Distance,Time,Avg Pace,Best Pace,Avg SWOLF,Best
SWOLF,Avg Efficiency,Best Efficiency,Total Strokes,Avg Strokes,Min Strokes,
Calories,
1,Freestyle,4,100,1... 阅读全帖 |
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w***n
发帖数: 9040 | 17 2012.08.10 游泳50分钟，1600yard
Distance: 1,600 yd
Pool Length: 25 yd
Time: 33:35
Avg Pace: 2:06 min/100 yd
Calories: 326 C
Avg Efficiency : 47
Avg SWOLF : 43
Time: 33:35
Elapsed Time: 46:04
Avg Pace: 2:06 min/100 yd
Best Pace: 1:43 min/100 yd
SpeedPace
Avg Strokes: 11.1 / length
Total Strokes: 708.0
Interval,Swim Stroke,Lengths,Distance,Time,Avg Pace,Best Pace,Avg SWOLF,Best
SWOLF,Avg Efficiency,Best Efficiency,Total Strokes,Avg Strokes,Min Strokes,
Calorie... 阅读全帖 |
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w***n
发帖数: 9040 | 18 2012.08.12 游泳一小时，1600yard
游泳裤破了个洞：（
Distance: 1,600 yd
Pool Length: 25 yd
Time: 33:30
Avg Pace: 2:05 min/100 yd
Calories: 320 C
Avg Efficiency : 46
Avg SWOLF : 42
Time: 33:30
Elapsed Time: 53:23
Avg Pace: 2:05 min/100 yd
Best Pace: 1:41 min/100 yd
Avg Strokes: 10.8 / length
Total Strokes: 693.0
Interval,Swim Stroke,Lengths,Distance,Time,Avg Pace,Best Pace,Avg SWOLF,Best
SWOLF,Avg Efficiency,Best Efficiency,Total Strokes,Avg Strokes,Min Strokes,
Calories... 阅读全帖 |
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w***n
发帖数: 9040 | 19 2012.08.17 游泳50分钟，1600yard
今天有所突破，全程保持4次打腿，速度和经济性都有所提升
1600y平均速度终于到达了2分/100yd，25yd的单臂摆臂平均次数降低到了10
Distance: 1,600 yd
Pool Length: 25 yd
Time: 32:13
Avg Pace: 2:00 min/100 yd
Calories: 320 C
Avg Efficiency : 44
Avg SWOLF : 40
Time: 32:13
Elapsed Time: 40:28
Avg Pace: 2:00 min/100 yd
Best Pace: 1:42 min/100 yd
Avg Strokes: 10.0 / length
Total Strokes: 639.0
Interval,Swim Stroke,Lengths,Distance,Time,Avg Pace,Best Pace,Avg SWOLF,Best
SWOLF,Avg Efficiency,B... 阅读全帖 |
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w***n
发帖数: 9040 | 20 2012.8.7 游泳一小时
Distance: 1,600 yd
Pool Length: 25 yd
Time: 34:03
Avg Pace: 2:08 min/100 yd
Calories: 320 C
Avg Efficiency : 47
Avg SWOLF : 43
Time: 34:03
Elapsed Time: 49:51
Avg Pace: 2:08 min/100 yd
Best Pace: 1:43 min/100 yd
Avg Strokes: 10.8 / length
Total Strokes: 688.0
Interval,Swim Stroke,Lengths,Distance,Time,Avg Pace,Best Pace,Avg SWOLF,Best
SWOLF,Avg Efficiency,Best Efficiency,Total Strokes,Avg Strokes,Min Strokes,
Calories,
1,Freestyle,4,100,1... 阅读全帖 |
|
w***n
发帖数: 9040 | 21 2012.08.10 游泳50分钟，1600yard
Distance: 1,600 yd
Pool Length: 25 yd
Time: 33:35
Avg Pace: 2:06 min/100 yd
Calories: 326 C
Avg Efficiency : 47
Avg SWOLF : 43
Time: 33:35
Elapsed Time: 46:04
Avg Pace: 2:06 min/100 yd
Best Pace: 1:43 min/100 yd
SpeedPace
Avg Strokes: 11.1 / length
Total Strokes: 708.0
Interval,Swim Stroke,Lengths,Distance,Time,Avg Pace,Best Pace,Avg SWOLF,Best
SWOLF,Avg Efficiency,Best Efficiency,Total Strokes,Avg Strokes,Min Strokes,
Calorie... 阅读全帖 |
|
w***n
发帖数: 9040 | 22 2012.08.12 游泳一小时，1600yard
游泳裤破了个洞：（
Distance: 1,600 yd
Pool Length: 25 yd
Time: 33:30
Avg Pace: 2:05 min/100 yd
Calories: 320 C
Avg Efficiency : 46
Avg SWOLF : 42
Time: 33:30
Elapsed Time: 53:23
Avg Pace: 2:05 min/100 yd
Best Pace: 1:41 min/100 yd
Avg Strokes: 10.8 / length
Total Strokes: 693.0
Interval,Swim Stroke,Lengths,Distance,Time,Avg Pace,Best Pace,Avg SWOLF,Best
SWOLF,Avg Efficiency,Best Efficiency,Total Strokes,Avg Strokes,Min Strokes,
Calories... 阅读全帖 |
|
w***n
发帖数: 9040 | 23 2012.08.17 游泳50分钟，1600yard
今天有所突破，全程保持4次打腿，速度和经济性都有所提升
1600y平均速度终于到达了2分/100yd，25yd的单臂摆臂平均次数降低到了10
Distance: 1,600 yd
Pool Length: 25 yd
Time: 32:13
Avg Pace: 2:00 min/100 yd
Calories: 320 C
Avg Efficiency : 44
Avg SWOLF : 40
Time: 32:13
Elapsed Time: 40:28
Avg Pace: 2:00 min/100 yd
Best Pace: 1:42 min/100 yd
Avg Strokes: 10.0 / length
Total Strokes: 639.0
Interval,Swim Stroke,Lengths,Distance,Time,Avg Pace,Best Pace,Avg SWOLF,Best
SWOLF,Avg Efficiency,B... 阅读全帖 |
|
e*******e
发帖数: 9616 | 24 25 yards
For guy, 7-8
For girl, 8-9
50M for phelps, 18 strokes, timing should be #of strokes + 10. In his
case, 28s for 50M.
It took Ian Crocker 4 strokes to get to the wall no matter what lap he
is in, but it took NCAA final girls 9-10 strokes to get to the wall
after the first lap.
It also depend on how many underwater dolphin kicks you do before you
break out, the more you kick, the less stroke you would take. Sometimes
it takes me same number of strokes as Ian Crocker to get to the wall
for |
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H****w
发帖数: 1632 | 26 BASIC FRONT CRAWL/FREESTYLE. LESSON
The pool water level should be between waist high and chest high
This informal lesson plan should be adjusted according to the skill and
progress of each individual
Please ensure playing/practice time at the end of lesson for the
children so
it is not all work and no play
Google any terms that you are not familiar with so you know what it
looks it.
Holding Breath:
Both arms holding on the side of the pool
>Blow bubbles with lips in the water (5 times)
>Blow bu... 阅读全帖 |
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g**********y
发帖数: 14569 | 27 4. Catch-up drill
This drills is by far the most effective drill you can do to improve your
freestyle swimming. While performing one arm stroke keep the other arm
outstretched in front of your head and do not move it
until the other arm has finished the stroke. Let’s say you start moving
your left arm, keep your right arm stretched in front of you and do not
start the right arm stroke until your left hand has touched your right hand.
The benefits of this swimming technique is that you are forced... 阅读全帖 |
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d**y
发帖数: 18174 | 28 几个指标列一下:
distance per stroke cycle: 1.875m
distance per stroke: 0.934m
strokes per length: 24
stroke cycles per length: 12
stroke cycles rate: 0.387/s
strokes rate: 0.774/s
tempo: 2.583
swolf: 43
我还丢了哪个？
游3 |
|
d**y
发帖数: 18174 | 29 几个指标列一下:
distance per stroke cycle: 1.875m
distance per stroke: 0.934m
strokes per length: 24
stroke cycles per length: 12
stroke cycles rate: 0.387/s
strokes rate: 0.774/s
tempo: 2.583
swolf: 43
我还丢了哪个？
游3 |
|
b******l
发帖数: 50 | 30 铁老大和飘飘都建议把点评发到版面上，让大家都能看到。另外有些家长希望能看
到更多经验。在此给小朋友做一点介绍，因为不想post Video。目前不到10岁，全部
EVENTS 10U BB。BB 是一个重要门槛。游泳好处多，但代价不小。主要是时间。我周围
朋友（sample～10），满11岁（进入MIDDLE SCHOOL）只有少数10U BB EVENTs 的, 全
部quit。有A time EVENT的，全部continue。满13岁（8年纪，有些课要记入大学申请
GPA），没有12U A time 的，全部quit。有AA time，全部continue。根据USA
SWIMMING WEBSITE
AAAA 98% This standard means your swimmer is ranked in the top 2% of
swimmers their age-group, their same sex, in that stroke and distance.
AAA 94% This standard means your swi... 阅读全帖 |
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r**h
发帖数: 539 | 31 我也开一个日记吧，算是对自己的激励。已经游了一个多月。月初入了garmin swim.
我的目标不高，到年底1000yard连续游进30分钟，一次两个1000yard 共2000游进60分
钟。
主要是减肥健身。现在最好能自由泳一次游150yard。3:30 左右。
07/24 baseline
100 yard freestyle 碰到个慢游的老头，被吐槽去fast lane。2:20
Intervals Swim Stroke Lengths Distance Time Cumulative
Time Avg Pace Best Pace Avg SWOLF Avg HR Max HR Total
Strokes Avg Strokes Calories
1 Freestyle 4 100 2:19.6 2:19.6 2:19 2:00 46
-- -- 45 11 20
Summary ... 阅读全帖 |
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r**h
发帖数: 539 | 32 我也开一个日记吧，算是对自己的激励。已经游了一个多月。月初入了garmin swim.
我的目标不高，到年底1000yard连续游进30分钟，一次两个1000yard 共2000游进60分
钟。
主要是减肥健身。现在最好能自由泳一次游150yard。3:30 左右。
07/24 baseline
100 yard freestyle 碰到个慢游的老头，被吐槽去fast lane。2:20
Intervals Swim Stroke Lengths Distance Time Cumulative
Time Avg Pace Best Pace Avg SWOLF Avg HR Max HR Total
Strokes Avg Strokes Calories
1 Freestyle 4 100 2:19.6 2:19.6 2:19 2:00 46
-- -- 45 11 20
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K****D
发帖数: 30533 | 33 No, I can't improve my NTRP by simply adjusting my game plan. Once your game
level is on par with form level, any further improvement requires:
1) improvements in form, and/or
2) improvements in game.
Say I can tie with a guy with 4.0 strokes + 3.0 game. I am 3.5 strokes + 3.5
game.
For him to beat me, he can either do 4.5 strokes + 3.0 game, or 4.0 strokes
+ 3.5 game. The latter is obviously easier to achieve, since lower level
aspect always improves more easily.
for me to beat him, I need to d... 阅读全帖 |
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f*****w
发帖数: 1451 | 34 来自主题: Medicalpractice版 - a case 病人的症状是上半身,所以可能是medial cerebral artery,不知道病人有无 speech
problem.除了肢体的症状,EMS应该还会做一些stroke assessment, 比如辛辛那提
stroke assess, 不能光凭上肢的感觉和运动异常就认为是stroke,还需要综合判断, 因
为关节肌肉神经损伤也可能导致上述症状,尤其是不伴有其他面部,语言等等症状的话.
当然,在做CT前,stroke team也会对病人做出评估.
如果确定是stroke,那么80% 的stroke是ischemic, CT supposed to be negative.
然后立刻进行tpa eligibility order........
小辈班门弄斧,请前辈指点.... |
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p********r
发帖数: 3799 | 35 Read over again and there are some the highlight rules.
2. Traditional drills don't work. The type of drills and the way that most
triathletes do them don't actually have any material effect on swimming
technique.
3. Swim more often. Frequency is the best way to improve your swimming. Also
see rule #4
4. Do longer main sets. You can't expect to swim fast and be fresh on the
bike if you rarely do main sets with the same or higher volume and pace than
you expect in the race. For short course these... 阅读全帖 |
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p********r
发帖数: 3799 | 36 tri 版一直很推崇Sun Yang 的smooth stroke, 还有 TI的slow stroke, 我们是不是应
该重新审视一下，这两种方法是不是真的适合每个人呢。
孙洋 2011 破纪录的video.
同场比赛，Lotte Friis， 女子1500m ，
相对的讲，孙洋的是低stroke频率, Lotte Friis是高stroke 频率，很难说那个好，那
个不好。 我觉得孙洋的technique, 跟他的身体条件有很大的关系， 孙洋的身高 是1.
98m，而且长胳膊长腿，手脚又大。他的Long stroke technique 一般人估计学不来。
倒是Lotte Friis的相对高频的technique， 一般人倒是可以学学看。 BTW,
LotteFriis也不矮，1.80m。而且，对于身高上不沾优势的人，相对的高频滑水可能是
一种补救的方法。
这篇文章详细分析了孙洋和lotte Friis 的technique, 有兴趣的可以看看。
http://www.feelforthewater.com/2011/08/our-stroke-analysis-two- |
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z*******4
发帖数: 219 | 37 time tells nothing.
more scientifically, you should compare total strokes.
For example, if Li's is 20 strokes/sec, you get 3600 strokes in 3 mins.
But if the stick dude is 1 stroke/sec, he had 3000 strokes in 50 min.
Who is NB? I think it is LI. |
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m**c
发帖数: 7349 | 38 顶级高手一到两次
Freestyle is a different story.
The breath in freestyle likely reduces speed by slowing the stroke rate,
although the effect on drag is uncertain. In fact, it is the breath that
creates the noticeable difference in stroke rate from one arm to the other
in swimmers like Phelps, Biederman, Lezak and others; creating a pause in
the cycle from the breath.
The majority of world-class swimmers in the 50 meter freestyle will breath
only once or twice. There are some, such as Anthony Ervin, who... 阅读全帖 |
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d*****i
发帖数: 42 | 39 Only partially true. Most two strokes have valves,
Another big advantage is, two stroke is a low RPM engine, if the output power
is too big to build a high efficiency transmission, such as marine diesel ( >
10,000hp, need direct drive, rpm ~ 50 only), two stroke can direct drive
without transmission.
Most big two strokes have very complicated turbo system, it is even more
complicate than 4 stroke
more |
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y*****g
发帖数: 193 | 40 You mean thrombolytics(tPA), it has to been infused as IV drips in acute
hospital setting, ER or ICU. This agent will resolve clots which cause acute
ischemic stroke, and also has the risk of serious bleeding. If it is a
hemorrhagic stroke, this meds can't be infused at all. I think big hospitals
in China should have this kind of meds, but not every hospital can do
critical triage to stroke patients. Even in USA, you have to know which
hospital close to your home has the stroke center or stroke |
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m*********g
发帖数: 70 | 41 老调重弹的一个问题，但是还是很有疑惑：
问了两家代理同一个问题，如果是高血压，但是从前从未有过并发症，来到这边以后万
一出现stroke的情况，会不会cover.
Patriot America 回答,没有保险会cover,就算stroke不是由高血压引起的,一般
underwriter也会很容易将其associate起来,归于pre-existing condition.
Atlas America 回答,如果以前从来没有过stroke,这个突发性情况属于emergency,应当
会cover.
由于回答的人不是underwriter,是保险代理,所以其言不可以当担保依据.感觉PA的人说
的比较不动听,但是实际上可能比较接近事实.
后来问了一家第三方中介代理,其人说,是不是pre-existing condition其实是医生根据
情况而定.上述情况即使是没有过并发症,或者甚至本人都不知情,一旦stroke也极其容
易被认为是pre-existing.
问题一:
其实stroke或者heart attack一般都有潜在原因,很少无由而生(除非遭电击).这样一来
不就是100%pre- |
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G***G
发帖数: 16778 | 42 Swimming is very important.
But the most important is your steering your kayak.
It is not like driving a car, pedalling your gas and brake and turning your
steeling wheel. You may think all you have to do with kayak is jump in and
go.
When you kayak, there's actually a little more to aquatic navigation
than that.
When we drive a car, most of us think we drive by our hands and one foot. I
have to say we drive by the feeling of our butt. Our butt can give us
feedback about
the condition of the roa... 阅读全帖 |
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M***0
发帖数: 1180 | 43 是不是我肺活量太小...今天试了你说的这个，不管我吸多大一口气，用鼻子吐气那是
一秒多钟就吐完了，剩下来的时间只能干瘪。 我平时一直是每个stroke用嘴吐三分之
一左右的气。
长期以来就觉得自己呼吸是个瓶颈，因为每次filp turn之后都是迫不及待要出水面来
吸气（除非是打酱油着游）， 而看运动员不管游得多激烈filp turn之后都是3、4个海
豚踢然后2次stroke，才出水吸气。游得太激烈的时候，如果是遇到要连续3次strokes
后flip turn的情况, 我还得改成2 strokes + 出水吸气 + 1 stroke + flip turn，
让中间出来偷吸一口气。 老大有什么高招指点一下？ |
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l********n
发帖数: 684 | 44 十一月二十一日
昨天看了 go swim 的 shoulder breath 的视频,才恍然大悟原来教练教的 Tip说的是
什么。今天练了这个 drill ,觉得现在右侧呼吸好很多。而且这个 drill 对双侧呼吸
也有帮助。于是今天大部份时间都在练习 bilateral breathing every 3rd strokes。
开头真是觉得缺氧呀!情不自禁地就想在右侧呼吸。还好坚持下来了。据说只要坚持两
周就可以习惯了。期待ing。
200 yards warm up @ 5:00 breathe on right for odd lengths breathe on left
for even lengths
300 yards Shoulder Breath drill breathing every 3rd strokes
10X50 yards @ 1:20 TT@ 1.05 breathe on right only
300 yards breathing every 3rd strokes
250 yards breathing every 3rd strokes
30... 阅读全帖 |
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l********n
发帖数: 684 | 45 十一月二十一日
昨天看了 go swim 的 shoulder breath 的视频,才恍然大悟原来教练教的 Tip说的是
什么。今天练了这个 drill ,觉得现在右侧呼吸好很多。而且这个 drill 对双侧呼吸
也有帮助。于是今天大部份时间都在练习 bilateral breathing every 3rd strokes。
开头真是觉得缺氧呀!情不自禁地就想在右侧呼吸。还好坚持下来了。据说只要坚持两
周就可以习惯了。期待ing。
200 yards warm up @ 5:00 breathe on right for odd lengths breathe on left
for even lengths
300 yards Shoulder Breath drill breathing every 3rd strokes
10X50 yards @ 1:20 TT@ 1.05 breathe on right only
300 yards breathing every 3rd strokes
250 yards breathing every 3rd strokes
30... 阅读全帖 |
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y*****g
发帖数: 489 | 46 For her age, concentrating on the best stroke(s) is the common strategy.
Free style always gets the most practice time. For kids my son's age, they
should practice all strokes. Oftentimes, the best stroke seems to "rotate."
His best stroke was fly, now it's back. He was a weak breast stroker, but
dropped 6 seconds in 50 in this meet (he last time swam it in March ) with a
time between AA and AAA. Still his worst stroke, but makes his IM very
competitive now. |
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c*********e
发帖数: 1389 | 47 谢谢了。
沙滩裤的drag test
昨天打了2个小时的网球后，吃了饭，看了级show，来到LA fitness。Summer过后，
pool很空，水也清多了。Yingfa三角泳裤在内，nike沙滩裤在外，200y IM 后开始测试
。水下出发, 2minute interval， Y-yingfa, N-nike
4x50y fly八成力
n -39’
y-36’
n-38’
y-35’
4x50y back 腿部肌肉有cramp的迹象，七成力
y-44’
y-43’
n-39’
n-38’
腿还是抽筋了，主要是转身蹬边用力的结果。因此，先用freestyle，放松进行stroke
count。
4 x50y free
y-43’ 12 strokes/25 y
y-43’ 12 strokes
n—43’ 15 strokes
n-46’ 15 strokes
抻抻筋后，
4x50y breast 八成力
n-48’
n-46’
y-44’
y-43’
有随意的游了500 free和200 freekick，体会泳裤的不同。总结：
在我游的这个速度区间，沙滩裤会慢2-3秒每50y... 阅读全帖 |
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b*******t
发帖数: 33714 | 48 2012.10.11
倒数第3节课 :(
今天很好玩，老师说把各种stroke都介绍一下，除了蝶泳只教腿，别的都两分钟一个过
了一遍。
1. back strock
手抓着岸边，脚收起来也抵着墙，身体往后躺，头颈放松，手松开，身体伸直的时候脚
轻轻蹬出去，back float就会了；
然后加flutter kick；
然后加手，出水是大拇指朝上，入水是小指朝下，进入水里以后往后压下去，就会了。
2. elementary back stroke
翻过来的蛙泳腿漂一遍；
蛙泳腿伸直后保持两秒钟一遍；
腿不动光手 monkey - air plane - soldier一遍；
加在一起，就会了。
3. side stroke
侧着漂出去flutter kick一遍；
侧着漂出去scissor kick两遍，狂喝水；
flutter kick加手的动作，一只手伸上去摘苹果交给另一只手放下去，往前伸的时候减
少手跟水的阻力，往后压的时候手跟前进方向垂直；
scissor kick加手，木有学会 :(
4. dolphine kick
两只腿粘在一起的flutter kick，没有学浑身动的那种... 阅读全帖 |
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b*******t
发帖数: 33714 | 49 2012.10.11
倒数第3节课 :(
今天很好玩，老师说把各种stroke都介绍一下，除了蝶泳只教腿，别的都两分钟一个过
了一遍。
1. back strock
手抓着岸边，脚收起来也抵着墙，身体往后躺，头颈放松，手松开，身体伸直的时候脚
轻轻蹬出去，back float就会了；
然后加flutter kick；
然后加手，出水是大拇指朝上，入水是小指朝下，进入水里以后往后压下去，就会了。
2. elementary back stroke
翻过来的蛙泳腿漂一遍；
蛙泳腿伸直后保持两秒钟一遍；
腿不动光手 monkey - air plane - soldier一遍；
加在一起，就会了。
3. side stroke
侧着漂出去flutter kick一遍；
侧着漂出去scissor kick两遍，狂喝水；
flutter kick加手的动作，一只手伸上去摘苹果交给另一只手放下去，往前伸的时候减
少手跟水的阻力，往后压的时候手跟前进方向垂直；
scissor kick加手，木有学会 :(
4. dolphine kick
两只腿粘在一起的flutter kick，没有学浑身动的那种... 阅读全帖 |
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p*****n
发帖数: 294 | 50 感谢诸位大佬鼓励，继续努力。
3/11/13
Distance: 2,000 yd(1000+2x500yd)
Time: 42:53
Moving Time: 41:24
Avg Moving Pace: 2:04 min/100 yd
Best Pace: 1:40 min/100 yd
1000yd avg pace 2:03, 500yd avg pace 2:03, 2:07, stroke count is still high
3/12/13
Distance: 2,000 yd(2x100yd free, 500yd kick, 1000yd pull, 3x100yd free)
Time: 46:14
Moving Time: 40:57
Avg Pace: 2:18 min/100 yd
Avg Moving Pace: 2:01 min/100 yd
100yd 游出了1:31， 感觉小有突破。
3/13/13
Distance: 1,000 yd(2x100, 15x50,... 阅读全帖 |
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