Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

3.8K
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
3.8K
Exercise and Muscle Performance01:27

Exercise and Muscle Performance

2.2K
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
2.2K
Long-term Potentiation01:25

Long-term Potentiation

3.4K
Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
Hebbian LTP
LTP can occur when...
3.4K
Long-term Potentiation01:35

Long-term Potentiation

58.1K
Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre- and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
58.1K
Exercise Stress Test01:26

Exercise Stress Test

1.1K
Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
1.1K
Isotonic and Isometric Muscle Contractions01:22

Isotonic and Isometric Muscle Contractions

6.4K
Two primary types of muscle contractions are isotonic and isometric, each serving unique functions and involving distinct mechanisms. Both isotonic and isometric contractions are integral to the body's complex system of movement and stability. Isotonic exercises contribute significantly to functional strength and movement, while isometric contractions are crucial for maintaining posture and joint stability.
Isotonic contractions
Isotonic contractions occur when a muscle changes length while...
6.4K

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Standardizing ischemic preconditioning research in applied exercise physiology.

European journal of applied physiology·2026
Same author

Ischemic preconditioning with active reperfusion does not improve high-intensity intermittent exercise in youth team sport players.

European journal of applied physiology·2026
Same author

Association between domain-based physical activity and C-reactive protein in adults with moderate to severe depressive symptoms.

Revista brasileira de psiquiatria (Sao Paulo, Brazil : 1999)·2025
Same author

Comment on "Optimizing Post‑Activation Performance Enhancement in Athletic Tasks: A Systematic Review with Meta‑analysis for Prescription Variables and Research Methods".

Sports medicine (Auckland, N.Z.)·2025
Same author

Ischemic Preconditioning Reduces Concentric Fatigue Index, Improves in O₂ Saturation Post Exercise at Low Velocities, and Increases Work Output at High Velocities.

Research quarterly for exercise and sport·2025
Same author

Why stick with Fourier analysis for force steadiness: a commentary.

Journal of applied physiology (Bethesda, Md. : 1985)·2024

関連する実験動画

Updated: Jan 8, 2026

Bilateral Common Carotid Artery Occlusion as an Adequate Preconditioning Stimulus to Induce Early Ischemic Tolerance to Focal Cerebral Ischemia
07:46

Bilateral Common Carotid Artery Occlusion as an Adequate Preconditioning Stimulus to Induce Early Ischemic Tolerance to Focal Cerebral Ischemia

Published on: May 9, 2013

30.1K

Ischemic Preconditioning Slightly Enhances Jiu Jitsu Performance

Izabela A Santos1, Bruno Victor Corrêa da Silva2, Donizete Cicero Xavier de Oliveira2

  • 1Educação Física, Universidade de São Paulo, Ribeirão Preto, Brazil.

International journal of sports medicine
|December 12, 2025
PubMed
まとめ
この要約は機械生成です。

Acute ischemic preconditioning improved Jiu-Jitsu performance and muscle oxygenation in athletes. This method also reduced fatigue, suggesting its potential as an ergogenic aid for training.

さらに関連する動画

Strategies for Study of Neuroprotection from Cold-preconditioning
16:27

Strategies for Study of Neuroprotection from Cold-preconditioning

Published on: September 2, 2010

15.2K
Use of a Hanging Weight System for Coronary Artery Occlusion in Mice
08:30

Use of a Hanging Weight System for Coronary Artery Occlusion in Mice

Published on: April 19, 2011

22.1K

関連する実験動画

Last Updated: Jan 8, 2026

Bilateral Common Carotid Artery Occlusion as an Adequate Preconditioning Stimulus to Induce Early Ischemic Tolerance to Focal Cerebral Ischemia
07:46

Bilateral Common Carotid Artery Occlusion as an Adequate Preconditioning Stimulus to Induce Early Ischemic Tolerance to Focal Cerebral Ischemia

Published on: May 9, 2013

30.1K
Strategies for Study of Neuroprotection from Cold-preconditioning
16:27

Strategies for Study of Neuroprotection from Cold-preconditioning

Published on: September 2, 2010

15.2K
Use of a Hanging Weight System for Coronary Artery Occlusion in Mice
08:30

Use of a Hanging Weight System for Coronary Artery Occlusion in Mice

Published on: April 19, 2011

22.1K

科学分野:

  • スポーツ科学
  • 運動生理学
  • 格闘技研究

背景:

  • ブラジリアン柔術（BJJ）は高い無酸素運動能力を要求する。
  • BJJのパフォーマンス向上のためのエルゴジェニック補助が求められている。
  • 虚血性前処置（IP）はパフォーマンス向上戦略の可能性がある。

研究 の 目的:

  • 急性虚血性前処置（IP）がBJJファイターの無酸素運動パフォーマンスに及ぼす影響を調査すること。
  • BJJ特異的テスト中のIPによる生理学的反応への影響を評価すること。
  • IPがBJJアスリートのエルゴジェニック補助として機能するかどうかを判断すること。

主な方法:

  • 17人の男性BJJファイターがランダム化クロスオーバー研究に参加した。
  • 虚血性前処置（IP）セッションとプラセボセッションの2つのセッションが実施された。
  • IPは5分間の閉塞/5分間の再灌流のサイクルを3回繰り返すことで実施された。
  • パフォーマンスと生理学的マーカーが測定された。

主要な成果:

  • IPは柔術の無酸素運動パフォーマンステストの総反復回数を有意に増加させた（p=0.003）。
  • IP下では筋酸素化が有意に改善された（p<0.0001）。
  • IPはセッション知覚運動強度（p=0.04）を低下させ、疲労の軽減を示唆した。

結論:

  • 急性虚血性前処置は、BJJアスリートにとって、わずかではあるが有意なパフォーマンスと筋酸素化の利点を提供する。
  • IPは、激しいBJJの努力中の疲労と知覚運動強度を軽減するのに役立つ可能性がある。
  • 本研究結果は、BJJのトレーニングと競技におけるエルゴジェニック補助としてのIPの使用を支持する。