WO1995022929A1 - Bestimmung des individuellen anaeroben schwellwertes - Google Patents
Bestimmung des individuellen anaeroben schwellwertes Download PDFInfo
- Publication number
- WO1995022929A1 WO1995022929A1 PCT/EP1995/000711 EP9500711W WO9522929A1 WO 1995022929 A1 WO1995022929 A1 WO 1995022929A1 EP 9500711 W EP9500711 W EP 9500711W WO 9522929 A1 WO9522929 A1 WO 9522929A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- anaerobic threshold
- curve
- individual anaerobic
- determined
- respiratory
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
- A61B5/221—Ergometry, e.g. by using bicycle type apparatus
- A61B5/222—Ergometry, e.g. by using bicycle type apparatus combined with detection or measurement of physiological parameters, e.g. heart rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives
Definitions
- the invention relates to a device for dynamic detection of the respiratory, metabolic and / or ventilatory variables during a process or influence that promotes lactate production, with a data processing system having a display unit and a computing unit and a device, such as a mask, connected to the data processing system via an analysis device Determination of the end minute volume and the O 2 content or CO 2 content of the minute ventilation volume of the air taken in or released.
- the invention relates to a method for the reproducible assessment of the physical performance of a living being such as humans during a process or influence which promotes lactate production by determining the "individual anaerobic threshold".
- the "individual anaerobic threshold” (Lactate Kinetics and Individual Anaerobic Threshold, Stegmann et al. International Journal of Sports Medicine, pp. 160-165, Georg Thieme Verlag Stuttgart, 1981) is a fixed, clearly reproducible value .
- the "individual anaerobic threshold” is also important for physiological parameters such as assessment of physical performance, exercise blood pressure and coronary heart disease.
- the "individual anaerobic threshold" is determined by determining lactate, ie by determining lactic acid in the blood.
- the change in the proportion of lactic acid is determined depending on the work performed per unit of time.
- the "anaerobic threshold” was defined as the point at which a sharp increase in the breath equivalent O 2 is registered without the curve for the breath equivalent CO 2 increasing. To determine the "anaerobic threshold", however, a lactate determination of the blood of the person under stress is still necessary (HA Davis and GC Gass: The anaerobic threshold as determined before and during lactic acidosis, Europe- an Journal of Applied Physiology, Springer-Verlag 1981).
- Breathing equivalents O 2 are defined as "anaerobic threshold” if the breathing equivalent CO 2 does not show any noticeable increase at this point. However, this evaluation is associated with great inaccuracies and does not allow the determination of the "individual anaerobic threshold”.
- the present invention is based on the problem of making it possible to determine the individual anaerobic threshold of a person without having to continuously determine the lactate by taking blood.
- the individual anaerobic threshold should be able to be determined with high accuracy.
- the present invention is based on the idea that the CO 2 saturation SAT (CO 2 ) is proportional to the square of the partial pressure of CO 2 p (CO 2 ) and the O 2 saturation SAT (O 2 ) is linear to the partial pressure O 2 p (O 2 ) behaves. It also takes advantage of the fact that the proportions are subject to a strong change when lactate is formed.
- the determined minute ventilation volumes or their O 2 and CO 2 contents are correlated in order to determine the relationship
- a quantity x (as the breath equivalent for gas pressure) which, at its minimum or final increase, or mathematically expressed at a point at which the time derivative dx (t) / dt is zero or has a maximum discontinuity, is one of the individual anaerobic threshold indicates or defines the corresponding exposure value PIAT (point of the individual anaerobic threshold).
- the change in the parameters can be determined as a function of a stepwise increasing actuation of the test person. Of course there is also the possibility that a continuous increase in performance is observed.
- the invention also proposes a method for reproducibly assessing the physical performance of a living being, such as humans, during a process or influence promoting lactate production by determining the individual anaerobic threshold, which is characterized in that, depending on the process or influence promoting lactate production
- Fig. 1 shows an experimental arrangement for determining the individual anaerobic threshold
- Fig. 2 is a graph for determining the individual anaerobic threshold
- the subject In order to determine the individual anaerobic threshold of a subject, the subject must
- the respiratory minute volume Ve and the CO 2 and O 2 content are determined by the test person.
- a bicycle ergometer (10) or alternatively, for example, a treadmill (12) can be used to carry out the load measurement.
- the corresponding devices (10) and (12) are connected via lines (14) and (16) to a data processing system (18) in order to determine the work done per unit of time.
- the air taken up by the test person or the O 2 or CO 2 content present in the air released is determined by an analysis device (22) in order to then transmit the values to the data processing system (18) via lines (24) and ( 26) feed.
- the value x is determined and plotted against time or power in order to obtain measuring points which are shown in FIGS. 2 and 3.
- the point of the curve at which the time derivative has 0 or a maximum discontinuity corresponds to a load value PIAT corresponding to the individual anaerobic threshold.
- ⁇ t 5 min. it can be determined that an individual anaerobic threshold of PIAT 175 ⁇ 5 watts can be determined for the test subject for whom the curves (28), (30), (32) and (34) were determined who is performing anaerobic work when submitting a service.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Physiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Public Health (AREA)
- Surgery (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Physical Education & Sports Medicine (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Psychiatry (AREA)
- Signal Processing (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ281235A NZ281235A (en) | 1994-02-26 | 1995-02-27 | Anaerobic threshold; system and process for determining this for an individual living organism using a computational unit, a computer, analyser and associated apparatus and a mask |
US08/696,975 US5782772A (en) | 1994-02-26 | 1995-02-27 | Device and method for determination of the individual anaerobic threshold of a living organism |
DK95909788T DK0742693T3 (da) | 1994-02-26 | 1995-02-27 | Bestemmelse af den individuelle anarobe tærskelværdi |
DE59501042T DE59501042D1 (de) | 1994-02-26 | 1995-02-27 | Bestimmung des individuellen anaeroben schwellwertes |
JP7522143A JPH09509345A (ja) | 1994-02-26 | 1995-02-27 | 個人的嫌気しきい値の決定 |
EP95909788A EP0742693B1 (de) | 1994-02-26 | 1995-02-27 | Bestimmung des individuellen anaeroben schwellwertes |
AU18122/95A AU685596B2 (en) | 1994-02-26 | 1995-02-27 | Determination of the individual anaerobic threshold |
GR980400391T GR3026213T3 (en) | 1994-02-26 | 1998-02-25 | Determination of the individual anaerobic threshold |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4406286.9 | 1994-02-26 | ||
DE4406286A DE4406286A1 (de) | 1994-02-26 | 1994-02-26 | Verfahren zur Bestimmung der individuellen anaeroben Schwelle eines Menschens |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995022929A1 true WO1995022929A1 (de) | 1995-08-31 |
Family
ID=6511272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1995/000711 WO1995022929A1 (de) | 1994-02-26 | 1995-02-27 | Bestimmung des individuellen anaeroben schwellwertes |
Country Status (11)
Country | Link |
---|---|
US (1) | US5782772A (de) |
EP (1) | EP0742693B1 (de) |
JP (1) | JPH09509345A (de) |
AT (1) | ATE160491T1 (de) |
AU (1) | AU685596B2 (de) |
DE (2) | DE4406286A1 (de) |
DK (1) | DK0742693T3 (de) |
ES (1) | ES2113188T3 (de) |
GR (1) | GR3026213T3 (de) |
NZ (1) | NZ281235A (de) |
WO (1) | WO1995022929A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2487663C1 (ru) * | 2012-02-20 | 2013-07-20 | Федеральное государственное бюджетное учреждение "Научно-исследовательский институт кардиологии" Сибирского отделения Российской академии медицинских наук | Способ оценки степени метаболической и кардиореспираторной адаптации кардиохирургических больных |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU5392499A (en) * | 1998-08-03 | 2000-02-28 | James R. Mault | Method and apparatus for respiratory gas analysis employing measurement of expired gas mass |
DE19909852A1 (de) * | 1999-03-08 | 2000-09-14 | Stegmann Heiner | Verfahren zur Bestimmung der Belastbarkeit eines Menschen |
AT407950B (de) | 1999-05-25 | 2001-07-25 | Hoffmann La Roche | Verfahren und vorrichtung zur ermittlung eines von respiratorischen messdaten abhängigen indikators |
FI114201B (fi) * | 2000-02-23 | 2004-09-15 | Polar Electro Oy | Laktaatin määrän arviointi elimistössä |
FI115288B (fi) * | 2000-02-23 | 2005-04-15 | Polar Electro Oy | Palautumisen ohjaus kuntosuorituksen yhteydessä |
AT4425U1 (de) * | 2000-06-27 | 2001-07-25 | Peter Vohryzka | Ergometer |
DE102007052776B4 (de) * | 2007-11-02 | 2011-02-24 | Jerichow, Ulrich, Dr. | Verfahren zur Steuerung und/oder Regelung einer Trainings und/oder Rehabilitationseinheit |
WO2013144366A1 (de) * | 2012-03-30 | 2013-10-03 | Nl Nanomed Limited | Verfahren zur steuerung eines trainingsgeräts und vorrichtung zur bereitstellung einer definierten raumatmosphäre |
US9693727B1 (en) * | 2016-03-31 | 2017-07-04 | Firstbeat Technologies Oy | Method and system to determine anaerobic threshold of a person non-invasively from freely performed exercise and to provide feedback on training intensity |
TWI555508B (zh) * | 2015-12-21 | 2016-11-01 | 財團法人工業技術研究院 | 無氧閾心率偵測方法及系統 |
US10159444B2 (en) | 2015-12-21 | 2018-12-25 | Industrial Technology Research Institute | Method and system for anaerobic threshold heart rate detection |
JP6805022B2 (ja) * | 2017-02-23 | 2020-12-23 | 三菱電機エンジニアリング株式会社 | 運動療法装置および無酸素性作業閾値の特定方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3675640A (en) * | 1970-04-09 | 1972-07-11 | Gatts J D | Method and apparatus for dynamic health testing evaluation and treatment |
Family Cites Families (8)
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US4930519A (en) * | 1984-04-02 | 1990-06-05 | Medical Graphics Corporation | Method of graphing cardiopulmonary data |
DE3428873A1 (de) * | 1984-08-04 | 1986-02-13 | Medical Graphics Corp., Shoreview, Minn. | Herz-lungen-pruefeinrichtung |
US4981136A (en) * | 1986-11-25 | 1991-01-01 | Performance Predictions, Inc. | Nuclear magnetic resonance apparatus for evaluating muscle efficiency and maximum power of muscle of a living animal |
US5410472A (en) * | 1989-03-06 | 1995-04-25 | Ergometrx Corporation | Method for conditioning or rehabilitating using a prescribed exercise program |
DE4102031C2 (de) * | 1991-01-24 | 1995-05-11 | Keiper Dynafit | Verfahren zur Steigerung der Leistungsfähigkeit des Gehirns einer Person und Vorrichtung zur Durchführung des Verfahrens |
US5598849A (en) * | 1992-07-21 | 1997-02-04 | Hayle Brainpower P/L | Interactive exercise monitoring system and method |
JPH084584B2 (ja) * | 1992-09-29 | 1996-01-24 | コンビ株式会社 | 体力測定方法と体力測定装置の評価方法 |
US5297558A (en) * | 1993-03-12 | 1994-03-29 | Medical Graphics Corporation | Algorithm for prescribing an exercise regimen to enhance fat burning and cardiovascular fitness |
-
1994
- 1994-02-26 DE DE4406286A patent/DE4406286A1/de not_active Withdrawn
-
1995
- 1995-02-27 US US08/696,975 patent/US5782772A/en not_active Expired - Lifetime
- 1995-02-27 DE DE59501042T patent/DE59501042D1/de not_active Expired - Fee Related
- 1995-02-27 EP EP95909788A patent/EP0742693B1/de not_active Expired - Lifetime
- 1995-02-27 DK DK95909788T patent/DK0742693T3/da active
- 1995-02-27 NZ NZ281235A patent/NZ281235A/en unknown
- 1995-02-27 AT AT95909788T patent/ATE160491T1/de not_active IP Right Cessation
- 1995-02-27 WO PCT/EP1995/000711 patent/WO1995022929A1/de active IP Right Grant
- 1995-02-27 ES ES95909788T patent/ES2113188T3/es not_active Expired - Lifetime
- 1995-02-27 AU AU18122/95A patent/AU685596B2/en not_active Ceased
- 1995-02-27 JP JP7522143A patent/JPH09509345A/ja active Pending
-
1998
- 1998-02-25 GR GR980400391T patent/GR3026213T3/el unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3675640A (en) * | 1970-04-09 | 1972-07-11 | Gatts J D | Method and apparatus for dynamic health testing evaluation and treatment |
Non-Patent Citations (2)
Title |
---|
J.I. MEDBO ET AL.: "Anaerobic capacity determined by maximal accumulated O2 deficit", JOURNAL OF APPLIED PHYSIOLOGY (US), vol. 64, no. 1, 1988, pages 50 - 60 * |
T.L. TALBOT ET AL.: "Noninvasive detection of the anaerobic threshold during computer-controlled exercise testing", MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING, vol. 23, no. 6, November 1985 (1985-11-01), STEVENAGE (GB), pages 579 - 584 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2487663C1 (ru) * | 2012-02-20 | 2013-07-20 | Федеральное государственное бюджетное учреждение "Научно-исследовательский институт кардиологии" Сибирского отделения Российской академии медицинских наук | Способ оценки степени метаболической и кардиореспираторной адаптации кардиохирургических больных |
Also Published As
Publication number | Publication date |
---|---|
EP0742693B1 (de) | 1997-11-26 |
DE4406286A1 (de) | 1995-08-31 |
US5782772A (en) | 1998-07-21 |
GR3026213T3 (en) | 1998-05-29 |
JPH09509345A (ja) | 1997-09-22 |
AU1812295A (en) | 1995-09-11 |
ES2113188T3 (es) | 1998-04-16 |
EP0742693A1 (de) | 1996-11-20 |
DK0742693T3 (da) | 1998-08-10 |
AU685596B2 (en) | 1998-01-22 |
DE59501042D1 (de) | 1998-01-08 |
ATE160491T1 (de) | 1997-12-15 |
NZ281235A (en) | 1998-04-27 |
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