歩行と走行の代謝率を低減する汎用性のあるポータブルエクソスーツ

Jinsoo Kim¹, Giuk Lee², Roman Heimgartner¹

¹John A. Paulson School of Engineering and Applied Sciences and Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, MA 02138, USA.

Science (New York, N.Y.)

|August 17, 2019

まとめ

新しいポータブルエクソスーツで歩いたり走ったりすると代謝コストが減りますこの技術は体重減少に匹敵する代謝を大幅に削減し,様々な移動作業の汎用性を示しています

科学分野:

バイオメカニクスと人間の増殖
ロボットとウェアラブルテクノロジー

背景:

ウォーキングとランニングは異なる生体力学を示し両方の歩行のための補助装置の設計を複雑にします
代謝コストの削減は人間のパフォーマンスと耐久性を高めるためのアシスティヴ・ウェアラブル・テクノロジーの重要な目標です

研究の目的:

歩行と走行の両方を支援するポータブルエクソスーツの開発と評価.
異なる移動モードと速度でヒップ拡張支援エクソスーツによって提供される代謝の節約を定量化します.

主な方法:

ヒップを伸ばすためのポータブルなエクソスーツが開発された.
エクソスーツは,着用者の質量潜在エネルギーの中心に基づいて,歩行と走行のアクチュエーションプロファイル間の自動スイッチングメカニズムを組み込んでいます.
一人参加の実験では,エクソスーツで走ったり走ったりしながら,代謝率を測定した.

主要な成果:

エクソスーツはトレッドミルを走る時の代謝率を 9.3% 減らせました
エクソスーツは2,5m/sでランニング中の代謝率を4.0%低下させました
これらの代謝の減少は,体重を大幅に減らすこと (歩行では7. 4kg,走行では5. 7kg) と比較できます.

結論:

歩行や走行の両方で代謝コストを効果的に減らすことができます.
エクソスーツのアダプティブ・ガート・スイッチングは登山歩行を含む異なる移動速度や状況に多用途性を示しています
観察された代謝効果は,運動能力と耐久力の有意な改善の可能性を示唆しています.

さらに関連する動画

07:21

Walk with Me Hybrid Virtual/In-Person Walking for Older Adults with Neurodegenerative Disease

Published on: June 16, 2023

1.4K

06:53

Influence of Step-Width Manipulation on Running Biomechanics

Published on: February 28, 2025

967

関連する概念動画

01:25

Metabolic Rate

1.2K

The human body is a powerhouse of energy, with every cell performing numerous functions that require energy. This energy production and consumption is measured by the metabolic rate, which quantifies the total heat generated by all the body's chemical reactions and mechanical work. This measurement helps to determine the rate of kilocalorie (kcal) consumption needed to fuel all ongoing activities.
The Basal Metabolic Rate (BMR) measures the energy expended at rest.
Several factors influence...

1.2K

01:17

Wald-Wolfowitz Runs Test II

534

The Wald-Wolfowitz runs test, commonly referred to as the runs test, is a nonparametric test used to assess the randomness of ordered data. The test evaluates the number of runs, which are consecutive sequences of similar elements within the data. If the number of runs is significantly higher or lower than expected, the data is considered non-random, indicating a detectable pattern or structure.
For binary data, runs are identified using symbols such as + and −, or equivalently, 1s and 0s. In...

What is Metabolism?

Wald-Wolfowitz Runs Test I

947

The Wald-Wolfowitz test, also known as the runs test, is a nonparametric statistical test used to assess the randomness of a sequence of two different types of elements (e.g., positive/negative values, successes/failures). It examines whether the order of the elements in a sequence is random or if there is a pattern or trend present. This nonparametric test applies to any ordered data despite the population and sample data distribution, even if a higher sample size is available.
The test works...

947

02:53

Reaction Rate

62.3K

The rate of reaction is the change in the amount of a reactant or product per unit time. Reaction rates are therefore determined by measuring the time dependence of some property that can be related to reactant or product amounts. Rates of reactions that consume or produce gaseous substances, for example, are conveniently determined by measuring changes in volume or pressure.
The mathematical representation of the change in the concentration of reactants and products, over time, is the rate...

62.3K

01:18

Reducing Line Loss

370

In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...

370

関連する実験動画

歩行と走行の代謝率を低減する 汎用性のあるポータブルエクソスーツ