U23エリートサイクリストにおけるラボ由来およびフィールド由来のスプリントパワーリザーブの一致
Peter Leo1,2, Iñigo Mujika3,4
1Department of Sport Science, University of Innsbruck, Innsbruck, Austria.
International journal of sports physiology and performance
|January 22, 2026
まとめ
スプリントパワーリザーブモデルは、ラボおよびフィールドテストの両方からサイクリングパワー出力を正確に予測します。これらの予測は、トレーニング戦略を強化する実践者にとって信頼できます。
科学分野:
- スポーツ科学; 運動生理学; サイクリングパフォーマンス分析
背景:
- スプリントパワーリザーブ(SPR)モデルは、高強度サイクリングパワー出力を予測するために使用されます。; SPRモデルの精度を実験室およびフィールド条件下で評価することは、実際的な応用にとって重要です。
研究 の 目的:
- 重度および極度の強度領域におけるSPRモデルの予測能力を評価すること。; 実験室およびフィールドの設定からのSPRモデル予測を、実際の平均最大パワー出力(MMP)と比較すること。
主な方法:
- 10人の男性U23サイクリストが、実験室での段階的および10秒間のスプリントテスト、およびフィールドでの3分間および10秒間のスプリントテストを受けました。; 実験室(PREDLAB)およびフィールド(PREDFIELD)条件下からの予測は、さまざまな期間にわたるBland-Altman分析を使用して、フィールド記録のMMPと比較されました。
主要な成果:
- ラボおよびフィールドスプリントテスト間、または3分間フィールドテストと実験室でのピークパワー間に有意差は観察されませんでした。; SPRモデルの時間定数(k=0.027)は、MMP(R2 = .98)に対して優れた適合性を示しました。; PREDFIELDが150秒の場合を除き、ほとんどのPREDLABおよびPREDFIELD予測は、MMPとの合意の95%限界内にありました。
結論:
- 実験室およびフィールド条件から導き出されたSPRモデル予測は、同等の信頼性を示します。; SPRモデルは、実践者が自信を持って高強度パワー出力を予測するための信頼できるツールです。
さらに関連する動画
関連する概念動画
Power
12.9K
The concept of work involves force and displacement; meanwhile, the work-energy theorem relates the net work done on a body to the difference in its kinetic energy, calculated between two points on its trajectory. While none of these quantities or relations involves time explicitly, we know that the time available to accomplish work is often just as important as the amount of work itself. For example, sprinters in a race may have achieved the same velocity at the finish, therefore,...
12.9K
Flame Photometry: Lab
898
In a flame photometer, when a solution like potassium chloride is aspirated into the flame, the solvent evaporates, leaving behind dehydrated salt. This salt dissociates into free gaseous atoms in their ground state. Some of these atoms absorb energy from the flame, leading to their excitation. The excited atoms return to the ground state, emitting photons at characteristic wavelengths. Because only electronic transitions are involved, the resulting emission lines are very narrow. The intensity...
898
Power System Distribution
1.1K
Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
The transmission system is designed...
The transmission system is designed...
1.1K
Nuclear Power
9.4K
Controlled nuclear fission reactions are used to generate electricity. Any nuclear reactor that produces power via the fission of uranium or plutonium by bombardment with neutrons has six components: nuclear fuel consisting of fissionable material, a nuclear moderator, a neutron source, control rods, reactor coolant, and a shield and containment system.
Nuclear Fuels
Nuclear fuel consists of a fissile isotope, such as uranium-235, which must be present in sufficient quantity to provide a...
Nuclear Fuels
Nuclear fuel consists of a fissile isotope, such as uranium-235, which must be present in sufficient quantity to provide a...
9.4K
Power and Energy
1.9K
The power and energy delivered to an element are subjects of great significance in the field of electrical engineering. It is a well-known fact that a 100-watt light bulb emits more light than a 60-watt one. Therefore, power and energy calculations play a crucial role in the analysis of electrical circuits.
Power, defined as the time rate of expending or absorbing energy, is quantified in units called watts (W). The relation between power and energy is mathematically given as
Power, defined as the time rate of expending or absorbing energy, is quantified in units called watts (W). The relation between power and energy is mathematically given as
1.9K
Average Power
1.0K
In practical electrical applications, the concept of time-varying instantaneous power is not frequently utilized. Instead, focus shifts to the more practical quantity known as average power. Average power is determined by integrating the instantaneous power over a specified time period and subsequently dividing it by that duration.
1.0K


