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تربیت بدنی و علوم ورزشی - بیومکانیک ورزشی چیست؟
 
تربیت بدنی و علوم ورزشی
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امیدواریم وبلاگی كه پیش روی شماست برای تمام بازدیـد كنندگانش مرجعی شایسته از اطلاعات كاربردی و تــخصصی علوم ورزشی باشد.
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نصیبه رضایی
کارشناس ارشد بیومکانیک ورزشی از دانشکده تربیت بدنی و علوم ورزشی دانشگاه آزاد اسلامی واحد کرج

مدیر وبلاگ : نصیبه رضایی
نویسندگان
چهارشنبه 25 اردیبهشت 1392 :: نویسنده : نصیبه رضایی

بیومکانیک چیست ؟

بیومكانیك محدوده ای از علم است كه در آن دانش و روش های مكانیك برای توصیف ساختار و درك عملكرد سیستم های زنده، به كار گرفته می شود.

دانش بیومكانیك در چندین رشته مختلف، شامل: بیولوژی، ارگونومی، مهندسی، فیزیولوژی، پزشكی، فیزیك مكانیك و... مورد استفاده قرار می گیرد.

واژه بیومكانیك نمایانگر مبحث بسیار گسترده ای است و در آن با استفاده از قوانین فیزیك مكانیك پدیده های فیزیولوژیكی و بیولوژیكی توصیف شده و درك مناسبی از روابط علت و معلولی بدست می آید. این روابط در درك و توصیف حالات های پاتولوژیكی از اهمیت خاصی برخوردارند.

بیومكانیك از دو واژه بیو و مكانیك تشكیل شده است. واژه "مكانیك" كه بیانگر فیزیك مكانیك است خود دارای زیرمجموعه هایی از قبیل حرارت و سیالات،‌طراحی جامدات و ساخت وتولید است كه هریك به نوبه خود یك رشته تخصصی محسوب می گردند. از طرف دیگر واژه "بیو" نمایانگر علوم زیستی و پزشكی است. زیرمجموعه های این رشته نیز شامل كلیه رشته های تخصصی پزشكی و علوم مرتبط از قبیل الكتروفیزیولوژی، داروسازی،‌فیزیوتراپی،‌كینزیولوژی و غیره است.

در نتیجه، ادغام دانش بیومكانیك، فیزیولوژی و بیولوژی به درك صحیح و توانایی توصیف دقیق تر این سیستم در حالت های نرمال و پاتولوژیك منجر خواهد شد.

مبحث مهندسی ورزش از طرف دیگر، با مسائل طراحی و بهینه سازی ابزار و تجهیزات ورزشی و فضاها و اماكن ورزشی درگیر است. تسلط بر این مبحث نیز مستلزم بهره برداری از پیش زمینه های علمی مشابهی خواهد بود.

بیومکانیک ورزش

مجموعه اطلاعات و دانشی كه تاكنون مطرح گردیده است ، توصیف كننده پیش زمینه مورد نیاز برای برخورد به موضوع بیومكانیك ورزش می باشد . روند فكری كار با بیومكانیك تا كنون صرفاً بر روی تحلیل های بسیار مقدماتی آماری اعمال شده به نتایج آزمون های سینماتوگرافیكی بوده است .

اما بیومكانیك امروزه اجازه رویكرد منفردانه به ورزشكار را می دهد . مدل های ریاضی الكتروفیزویولوژی سلولی ماهیچه ای ، اجازه توصیف كار فیزیولوژیكی و كار مكانیكی را می دهند . در نتیجه ، امكان ایجاد ارتباط بین سینماتیك حركت ، كار مكانیكی و فعل و انفعالات بیوشیمیایی وجود دارد . همچنین امكان در نظر گرفتن محدودیت هایی از قبیل خستگی روحی و فیزیكی نیز برای این قبیل ارتباطات وجود دارد .

بیومكانیك ورزش ، در واقع بیومكانیك و فیزیولوژی ورزش بوده و گستردگی ابعاد آن بسیار فراتر از تحلیل های سینماتیكی توسط دوربین های سرعت بالا یا تحلیل های سینتیكی توسط سكوهای نیروسنج و یا ضبط و تحلیل پتانسیل عمل ماهیچه ها توسط دستگاه EMG می باشد .

بیومکانیک ورزش

بیومکانیک ورزش، توصیف مکانیکی تعامل انسان با محیط در حین انجام حرکات ورزشی است.

بیومكانیك ورزش به طرق زیر می تواند در خدمت ارتقاء کیفی ورزشکار و مربی قرار گیرد:

۱- بهبود كارایی(Performance Improvement)

·        بهبود تكنیك(Technique Improvement)

·        بهبود تجهیزات(Equipment Improvement)

·        بهبود تمرین(Training Improvement)

۲- جلوگیری از آسیب ها و باز توانی(Injury Prevention & Rehabilitation)

·        تصحیح تكنیك(Technique Correction)

·        طراحی تجهیزات( Equipment Design)





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I'm having black coffee, he's possessing a cappuccino.

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"So, utilize mind if I kissed you at this time?' he explained as I receive closer to him and kiss him.

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‘I favor how you think.' , he said.

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‘I really like determined women. Someone you will never know the things they want. Someone who won't say yes just because I said yes. Someone who's unafraid when you try interesting things,' he says. ‘I'm never afraid when attemping new stuff, especially on the subject of making a new challenge in the sack ', I intimate ‘And I enjoy girls who are direct, who cut in the chase, like you may did. Being
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شنبه 25 خرداد 1398 10:27 ب.ظ
We're having coffee at Nylon Coffee Roasters on Everton Park in Singapore.
I'm having black coffee, he's creating a cappuccino. He is
handsome. Brown hair slicked back, glasses that suit his face, hazel eyes and the prettiest lips I've seen. They are well made,
with incredible arms as well as a chest that shines within this sweater.
We're standing in-front of each other dealing with people, what you want for future years,
what we're in search of on another person. He starts saying that they have
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‘Why Andrew? You're so handsome. I'd never reject you ',
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"So, make use of mind if I kissed you today?' he said as I purchase better him and kiss him.

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‘I like how you would think.' , he said.

Meanwhile, I start scrubbing my rearfoot in the leg, massaging it slowly. ‘Exactly what do you enjoy in women? And, Andrew, don't spare me the details.' I ask.

‘I enjoy determined women. Someone you will never know what they have to want. A person who won't say yes simply because I said yes. Someone who's not scared when you try new things,' he says. ‘I'm never afraid of trying something mroe challenging, especially on the subject of making a new challenge in the bedroom ', I intimate ‘And Everyone loves women that are direct, who cut through the chase, like you only did. To become
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شنبه 25 خرداد 1398 02:03 ب.ظ
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"Therefore we should have an ending that'll be as none before."

His smile was decadent, his eyes were loaded with lust,
and the soft skin of his hard cock against my sex was having its intended effect.
I was feeling a stronger arousal now as I felt his cock slide between my sensitive lips.

I felt the top of his cock push agonizingly at the doorway of my pussy, and Needed him to
thrust into me hard. Instead he retracted and slid his hardness back around my clit.



I'm aching to get him inside, and I could truthfully tell that his ought
to push that wonderful hard cock inside me was growing. His moans
grew to suit mine, and I knew the impression of my wet pussy
lips about the head of his cock was getting an excessive amount
of both for of us.

"Permit the finale begin," he was quoted saying, and he slid the end of his cock inside me.


Both of us gasped because held his cock there for your moment.
I contracted my pussy to him further inside, and the man threw
his return within the sensation. Inch by excruciating
inch he pushed his cock inside me, and each time I squeezed my pussy around him.
His cock felt wonderful simply because it filled me, but Needed all
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shoulder, and the man plunged his cock right in.
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