Haltérophilie : La tête qui tourne

par | Nov 11, 2021 | Conseils pour l'haltérophilie | 8 commentaires

Dans cet article, nous allons voir et analyser les principales causes d’étourdissements et de perte de connaissance qui peuvent avoir lieu lors d’un front squat ou d’un épaulé.

 

Fatigue et/ou déshydratation

 

Une explication très simple, mais souvent ignorée malgré son évidence, est la fatigue et/ou la déshydratation. Il est évident que si vous ne dormez pas assez, que vous êtes stressé ou déshydraté et que vous demandez à votre corps des efforts intenses, il risque d’y avoir un problème. En effet, tous ces manques vont augmenter le risque de vertiges lors de certains mouvements lourds comme l’épaulé ou le squat.

S’il ne s’agit que d’un problème de déshydratation, il peut être résolu assez rapidement en buvant de l’eau ! Surprenant non ?

Plus sérieusement, boire de l’eau est la solution mais ça ne va pas être instantané, alors pensez à bien vous hydratez tout au long de la journée.

C’est également le cas si vous manquez de sommeil, ça ne va pas se résoudre au cours de la séance. Dans l’idéal, vous devez éviter au maximum de vous retrouver dans ces états-là trop souvent. Si c’est le cas, il faut revoir vos entrainements.

 

Les choses que nous venons de voir peuvent sembler évidentes pour beaucoup d’haltérophiles, mais il existe encore certaines personnes pour qui ce n’est pas le cas. Alors avant d’essayer quoi que ce soit d’autre pour lutter contre les vertiges, veillez à bien respecter ces deux règles.

 

Occlusion de l’artère carotide

 

Contrairement à une perte de flux d’air, la perte de flux sanguin vers le cerveau prend très peu de temps pour provoquer une perte de connaissance. Une occlusion complète des artères carotides pendant 4 secondes suffit, et il faut encore moins de temps pour créer des étourdissements.

L’occlusion des artères carotides lors d’un front squat est le résultat d’une mauvaise position qui permet à la barre d’exercer une pression sur les artères de votre cou. D’ailleurs ce n’est pas nécessairement une pression directe de la barre sur les artères, mais généralement une pression sur les muscles du cou qui eux, comprime les artères. Il est important d’avoir une position de front rack approprié, avec un protraction et une légère élévation des omoplates. Cette position va non seulement créer un espace sécurisé pour la barre, mais elle va surtout empêcher la barre de comprimer vos artères carotides.

 

Position de front rack en haltérophilie

Même si vous avez une bonne position la plupart du temps, il est tout de même possible de rencontrer ce problème. Cela peut arriver si vous êtes fatigué et que vous ne pouvez pas maintenir une bonne position des épaules et du haut du dos. Cela peut également arriver lors d’un épaulé mal réceptionné ou la barre vient taper contre la gorge, causant ainsi une compression de l’artère carotide.

 

Débit cardiaque réduit

 

Comme vous le savez surement, retenir sa respiration augmente la rigidité et la stabilité de votre tronc grâce à la pression intrathoracique. Cette même augmentation de la pression intrathoracique réduit le débit cardiaque via un mécanisme très simple. Cette pression comprime votre cœur, ce qui le rend plus difficile à remplir complètement, et comprime les veines de votre tronc, ce qui signifie que le volume de sang désoxygéné qui retourne au cœur est plus faible. Chaque coup de cœur pompe alors un volume de sang plus faible qu’en temps normal.

Normalement ce n’est pas un problème, surtout pour le peu de temps que dure un mouvement d’haltérophilie. Mais parfois cela peut suffire à provoquer des vertiges, surtout si cela est associé à un autre problème qui peut également causer des étourdissements.

Étant donné que retenir sa respiration ne fera probablement pas la différence, s’il n’y a pas d’autres problèmes, ne vous inquiétez pas trop à ce sujet.

Cependant, pour réduire la pression intrathoracique sans perdre la rigidité de votre tronc, vous pouvez libérer une partie de votre air avant votre jeté ou votre front squat. Attention, ne vous relâchez pas en expirant tout l’air d’un coup, expirer plutôt une petite quantité d’air en continu.

 

Stimulation du nerf vagal

 

Les nerfs vagues ont de nombreuses fonctions, mais parmi les effets de la stimulation du nerf vague, il y a des réductions de la fréquence cardiaque et de la pression artérielle. La stimulation peut être provoquée par une barre mal placée durant un épaulé ou un front squat, et peu évidemment provoquer des étourdissements ou une perte de connaissance.

 

En haltérophilie, nous retenons déjà notre respiration pour gainer et stabiliser notre haut du corps, en plus de l’effort que nous fournissons lors de la remonté de l’épaulé et du front squat. En d’autres termes, nous avons inévitablement un certain degré de stimulation du nerf vagal. Normalement, cela ne suffit pas à causer un problème, le problème survient plutôt lorsque le degré d’effort est plus grand, par exemple lors d’une remonté de front squat très difficile.

 

Conclusion

Si jamais vous vous retrouvez étourdi lors d’un épaulé ou d’un front squat, laissez tomber la barre et agenouillez-vous. Même des étourdissements qui peuvent sembler mineurs peuvent s’aggraver très soudainement et de manière inattendue, vous laissant tomber avec une barre sur les épaules. Dans le pire des cas vous pouvez vous blesser grièvement.

Alors ne jouez pas les héros et attendez d’être prêt pour retourner sur votre barre.

Arthur Turpin

athlète à

POWERCAMP

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8 Commentaires

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    Chipper Plumbing and Radiant is situated in Tukwila, a city
    founded in 1908. Tukwila has developed into a thriving community
    with a population of 21,377 as of 2022 and 8,098 households.

    The city is well-served by major highways, including I-5, which
    facilitates easy travel across the region. An interesting fact about Tukwila is its role
    as a significant retail hub, home to Westfield Southcenter, one of the largest shopping centers in the Pacific Northwest.
    This dynamic city offers a blend of residential,
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    to live and work.

    Plumbing repair costs in Tukwila can vary depending on the type of service required.
    Basic services like drain cleaning or faucet repair might range from
    $100 to $300, while more extensive work such as water heater installation or sewer repair can cost between $500
    and $3,000. Tukwila experiences a range of temperatures, with summer highs reaching around 76°F and winter
    lows dropping to approximately 37°F. These temperature variations make it essential for residents to have reliable plumbing systems that can handle both the cold and the heat, ensuring year-round comfort and
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    Tukwila offers numerous points of interest that cater to various tastes and preferences.
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    The Aviation Pavilion at the Museum of Flight showcases
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    Bowlero South Seattle provides fun and entertainment for families and friends.

    Lastly, the Great American Casino Tukwila offers gaming and dining experiences
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    Choosing Chipper Plumbing and Radiant for plumbing services
    in Tukwila is a wise decision for residents seeking reliable and efficient solutions.
    The company provides a comprehensive range of services, including leak detection, pipe repair, and sump
    pump installation. Chipper Plumbing’s commitment to quality workmanship and exceptional customer service ensures that all plumbing needs
    are met promptly and professionally. For those living in Tukwila, Chipper Plumbing and
    Radiant is the trusted partner for maintaining
    a functional and efficient plumbing system, ensuring peace of mind and
    comfort throughout the year.

    In Tukwila, Washington, maintaining a reliable plumbing system is essential due to the region’s climate and infrastructure.
    Chipper Plumbing and Radiant offers crucial services such as emergency plumbing,
    drain cleaning, and water heater installation. Serving neighborhoods like Foster and Riverton Heights, Chipper Plumbing ensures that residents have dependable plumbing systems to handle everything from
    minor leaks to major repairs. The importance of skilled plumbers in Tukwila cannot be
    overstated, as proper plumbing maintenance and prompt repairs are
    vital for ensuring a safe and comfortable living environment.

    Chipper Plumbing and Radiant operates in Tukwila, a city founded in 1908.
    Tukwila has grown into a vibrant community with a population of 21,377
    as of 2022 and 8,098 households. The city is well-connected
    by major highways, including I-5, which facilitates easy travel across the region. An interesting fact about Tukwila is its cultural diversity and its
    status as a key retail destination, home to Westfield Southcenter, one of the largest shopping centers in the area.
    This dynamic city offers a mix of residential, commercial, and recreational opportunities,
    making it an ideal place to live and work.

    The cost of plumbing repairs in Tukwila can vary widely depending on the service
    required. Basic services like drain cleaning or faucet repair might range from $100
    to $300, while more extensive work such as water heater installation or sewer repair can cost between $500 and $3,
    000. Tukwila experiences a range of temperatures, with summer highs reaching around 76°F and winter
    lows dropping to approximately 37°F. These temperature fluctuations
    make reliable plumbing systems essential for maintaining indoor
    comfort year-round. Regular maintenance and timely repairs are crucial to
    prevent system failures, especially during the colder months.

    Tukwila offers numerous points of interest that cater to a variety of tastes and preferences.
    Angle Lake Park is a popular destination for outdoor activities, offering beautiful views and recreational opportunities.
    The Aviation Pavilion at the Museum of Flight showcases
    an impressive collection of historic aircraft.
    The Highline SeaTac Botanical Garden features stunning displays of local and exotic plants.
    Bowlero South Seattle provides fun and entertainment for families
    and friends. Lastly, the Great American Casino
    Tukwila offers gaming and dining experiences for those seeking a night out.

    Each of these attractions provides unique experiences that highlight Tukwila’s diverse cultural and recreational offerings.

    Choosing Chipper Plumbing and Radiant for plumbing services in Tukwila is a wise decision for residents seeking reliable and efficient solutions.
    The company offers a comprehensive range of services, including leak detection, pipe
    repair, and sump pump installation. Chipper Plumbing’s commitment to quality workmanship and
    exceptional customer service ensures that all plumbing needs are met promptly and professionally.
    For those living in Tukwila, Chipper Plumbing and Radiant
    is the trusted partner for maintaining a functional and
    efficient plumbing system, ensuring peace of mind and comfort
    throughout the year.

    In Tukwila, Washington, dependable plumbing services are crucial
    due to the city’s varied climate and infrastructure needs.
    Chipper Plumbing and Radiant offers vital services
    such as emergency plumbing, drain cleaning, and water heater
    installation. Serving neighborhoods like South Beacon Hill and Orillia, Chipper Plumbing ensures that residents have reliable plumbing systems to handle everything from minor leaks to major repairs.
    The significance of having a skilled plumber in Tukwila cannot be overstated,
    as proper plumbing maintenance and timely repairs are
    essential for ensuring a safe and comfortable living
    environment.

    Chipper Plumbing and Radiant is situated in Tukwila, a city founded in 1908.
    Tukwila has developed into a thriving community
    with a population of 21,377 as of 2022 and 8,098 households.
    The city is well-served by major highways, including I-5, which facilitates easy travel across the
    region. An interesting fact about Tukwila is its role as a significant retail
    hub, home to Westfield Southcenter, one of the largest shopping centers in the Pacific Northwest.
    This dynamic city offers a blend of residential, commercial, and recreational opportunities,
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