EP1586353A1 - Verfahren und Vorrichtung zur Messung der Wirksamkeit einer Sportbewegung - Google Patents

Verfahren und Vorrichtung zur Messung der Wirksamkeit einer Sportbewegung Download PDF

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Publication number
EP1586353A1
EP1586353A1 EP04405233A EP04405233A EP1586353A1 EP 1586353 A1 EP1586353 A1 EP 1586353A1 EP 04405233 A EP04405233 A EP 04405233A EP 04405233 A EP04405233 A EP 04405233A EP 1586353 A1 EP1586353 A1 EP 1586353A1
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EP
European Patent Office
Prior art keywords
attribute
heart rate
reference population
athlete
accelerometer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04405233A
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English (en)
French (fr)
Other versions
EP1586353B1 (de
Inventor
Emmanuel Onillon
Rolf Vetter
Jérôme Cornuz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CSEM Centre Suisse dElectronique et de Microtechnique SA Recherche et Développement
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CSEM Centre Suisse dElectronique et de Microtechnique SA Recherche et Développement
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Application filed by CSEM Centre Suisse dElectronique et de Microtechnique SA Recherche et Développement filed Critical CSEM Centre Suisse dElectronique et de Microtechnique SA Recherche et Développement
Priority to DE200460004243 priority Critical patent/DE602004004243D1/de
Priority to EP20040405233 priority patent/EP1586353B1/de
Publication of EP1586353A1 publication Critical patent/EP1586353A1/de
Application granted granted Critical
Publication of EP1586353B1 publication Critical patent/EP1586353B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/0028—Training appliances or apparatus for special sports for running, jogging or speed-walking
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/40—Acceleration
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2230/00—Measuring physiological parameters of the user
    • A63B2230/04—Measuring physiological parameters of the user heartbeat characteristics, e.g. ECG, blood pressure modulations
    • A63B2230/06—Measuring physiological parameters of the user heartbeat characteristics, e.g. ECG, blood pressure modulations heartbeat rate only

Definitions

  • the invention relates to the field of physical activities. It relates to, more particularly, a method and a device for measuring the efficiency of a sporting gesture.
  • the training aims to improve its efficiency, or efficiency, which can be defined by the ratio of energy expended to energy cost by the movement and / or movement of the athlete.
  • Improving efficiency also means reducing the denominator the report "energy spent / energy cost”.
  • the problem lies essentially on material aspects of the athlete's equipment.
  • the energy cost of the movement requires an improvement in technical mastery of the gesture in question. Its effectiveness is directly related to difficult to quantify parameters (support orientation, relaxation of antagonistic muscles in the working phases and agonist muscles in the rest phases, parasitic movements ).
  • the present invention aims to enable an athlete to evaluate the effectiveness of his technique, without needing an outside look.
  • the invention provides also, especially for coaches, a rational way to quantify the technical progress of the athlete.
  • the attribute A is the standard deviation of the signal supplied by the accelerometer.
  • the stride is modeled through the center of gravity of the runner, who has sinusoidal motion.
  • the effectiveness of the stride translates into a constant speed and a minimized acceleration of the center of gravity, in a vertical direction.
  • the athlete is equipped with a device the invention, comprising a device for measuring the heart rate or heart rate monitor 10 of type known as, for example, that marketed by the firm Polar®.
  • the measurement is done through a probe incorporated in a chest strap 12 disposed on the thorax of the athletic. It transmits a signal received by a wristwatch 13 equipped for the process and display the instantaneous heart rate, including in the form a percentage of the athlete's maximum heart rate.
  • the device according to the invention further comprises an accelerometer 14 in solidarity with the runner's chest. It is, for example, attached to the belt 12 of the Heart.
  • the sensor used is of the ADXL type 202E marketed by the firm Analog Devices and provides a signal representative of the acceleration that the rider's center of gravity undergoes in the three directions of space.
  • a processing circuit 15 receives the signal from the accelerometer 14 conveyed by transmission means, consisting of a transmitter 16a and a receiver 17, respectively associated with the accelerometer 14 and the processing circuit 15. To avoid any disturbance caused by background noise or artefact, the signal is corrected by a band pass type filter 18 before to arrive at the processing circuit 15. The latter also receives a transmitter 16b information from the heart rate monitor 10 relating to the frequency heart rate and at maximum heart rate percentage.
  • Circuit 15 processes this information so as to evaluate the effectiveness of the gesture the athlete, as will be described below.
  • the processing circuit 15 is housed in the watch 13 and the transmission means 16 and 17 are wireless.
  • the transmission frequencies of the signals of the heart rate sensor 10 and the accelerometer 14 are protected from each other to avoid any disturbance.
  • the device still comprises, placed at the output of the processing circuit 15, signaling means 19 to inform the athlete about the effectiveness of His gesture.
  • the signaling can be sound and the means 19 are then consisting of a loudspeaker also housed in the watch 13.
  • the attribute A extracted at 22 is the standard deviation of the acceleration signal of the torso delivered by the accelerometer 14. Every 5 seconds, this standard deviation is estimated on the basis of the measurements made during the last 10 seconds.
  • the normalization 23 of the attribute A is necessary for the subsequent comparison. Since the frequency of the stride has a direct impact on the acceleration experienced by the torso of the runner, this normalization is performed with respect to this frequency, directly extracted from the signal supplied by the accelerometer 14, advantageously by the zero crossing method of the signal. Indeed, according to the sinusoidal modeling of the displacement of the center of gravity of the runner, there are two passages by zero of the signal in each of the periods.
  • the reference value used for the comparison operation 24, contained in the memory 21, is the average AT of the attribute, obtained for a reference population.
  • the effectiveness of the stride is not the same during a simple jog or competition. It is therefore necessary to compare the attributes of the subject and the reference runners at a similar intensity of effort.
  • the average AT of the attribute is stored in the memory, at the factory, for different values of a stress parameter P i , which is a percentage of the maximum heart rate.
  • the attributes of the reference population are obtained by running its limbs at stable threshold intensities, typically 60%, 70%, 80%, 85% of their maximum heart rate. These percentages, given as an example, correspond to an audience of endurance runners.
  • the microprocessor 20 searches the memory 21 for the reference value AT corresponding to the percentage of the maximum heart rate indicated by the heart rate monitor 10. This value is either directly extracted from the memory if the percentage corresponds to a threshold intensity, or calculated by interpolation if the percentage is between two values of the parameter P i .
  • the comparison between the measured attribute A and its mean reference value AT is advantageously carried out, typically every five seconds, by means of the Mahalanobis formula. This allows, in the case where several attributes are taken into account in the comparison, to weight the calculation by the influence of each attribute according to its reliability. To do this, it involves a standardization by the covariance matrix of the average attributes of the reference population.
  • the difference d from the comparison 24 is an index of the effectiveness of the stride. It is transcribed at 25 by the signaling means 19. A correlation scale is stored for this purpose in the memory 21 to make the calculated index significant by associating it with a frequency of an intermittent sound signal. Thus, for example, the larger the difference calculated using the Mahalanobis formula, the higher the frequency of the signal.
  • the index can also be displayed digitally on the screen of the watch 13.
  • the runners constituting the reference population were chosen according to their performances and the quality of their stride, judged by experts in the discipline according to traditional criteria. A runner having a little academic style will not be taken into account in this sampling, so as not to distort the reference values.
  • the device can also be adapted to other sports than running. modifying the position of the accelerometer.
  • modifying the position of the accelerometer In particular, in cycling, it is interesting to analyze the pedaling by having a sensor on the foot or on the biker's ankle.
  • gymnasts may also have recourse to a apparatus according to the invention to study their rotation during acrobatics. In this case, the use of a heart rate monitor and the taking into account of the intensity of the effort to make the comparison is not mandatory.
  • the heart rate monitor implemented in the device can also operate on the basis of any other measurement system, such as for example, an optical measurement described in EP 1 297 784 A1.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
EP20040405233 2004-04-15 2004-04-15 Verfahren und Vorrichtung zur Messung der Wirksamkeit einer Sportbewegung Expired - Lifetime EP1586353B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE200460004243 DE602004004243D1 (de) 2004-04-15 2004-04-15 Verfahren und Vorrichtung zur Messung der Wirksamkeit einer Sportbewegung
EP20040405233 EP1586353B1 (de) 2004-04-15 2004-04-15 Verfahren und Vorrichtung zur Messung der Wirksamkeit einer Sportbewegung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20040405233 EP1586353B1 (de) 2004-04-15 2004-04-15 Verfahren und Vorrichtung zur Messung der Wirksamkeit einer Sportbewegung

Publications (2)

Publication Number Publication Date
EP1586353A1 true EP1586353A1 (de) 2005-10-19
EP1586353B1 EP1586353B1 (de) 2007-01-10

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EP20040405233 Expired - Lifetime EP1586353B1 (de) 2004-04-15 2004-04-15 Verfahren und Vorrichtung zur Messung der Wirksamkeit einer Sportbewegung

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EP (1) EP1586353B1 (de)
DE (1) DE602004004243D1 (de)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1754521A1 (de) 2005-08-16 2007-02-21 CSEM Centre Suisse d'Electronique et de Microtechnique SA Recherche et Développement Verfahren und Gerät zur Betimmung der Effizienz eines Laufstils
EP1764583A3 (de) * 2005-09-16 2007-05-30 IDT Technology Limited System und Verfahren zur Messung von Gangartparametern
EP2229880A1 (de) 2009-03-18 2010-09-22 CSEM Centre Suisse d'Electronique et de Microtechnique SA Stirnbandintegrierte Überwachungseinheit mit einem Beschleunigungsmesser
US9629558B2 (en) 2010-09-30 2017-04-25 Fitbit, Inc. Portable monitoring devices and methods of operating same
US9662053B2 (en) 2012-06-22 2017-05-30 Fitbit, Inc. Physiological data collection
US9775548B2 (en) 2015-05-28 2017-10-03 Fitbit, Inc. Heart rate sensor with high-aspect-ratio photodetector element
US10178973B2 (en) 2012-06-22 2019-01-15 Fitbit, Inc. Wearable heart rate monitor
US10216893B2 (en) 2010-09-30 2019-02-26 Fitbit, Inc. Multimode sensor devices
US10433739B2 (en) 2016-04-29 2019-10-08 Fitbit, Inc. Multi-channel photoplethysmography sensor
US10512407B2 (en) 2013-06-24 2019-12-24 Fitbit, Inc. Heart rate data collection
US10568525B1 (en) 2015-12-14 2020-02-25 Fitbit, Inc. Multi-wavelength pulse oximetry
US11051706B1 (en) 2017-04-07 2021-07-06 Fitbit, Inc. Multiple source-detector pair photoplethysmography (PPG) sensor
US11096601B2 (en) 2012-06-22 2021-08-24 Fitbit, Inc. Optical device for determining pulse rate
US11206989B2 (en) 2015-12-10 2021-12-28 Fitbit, Inc. Light field management in an optical biological parameter sensor
US11259707B2 (en) 2013-01-15 2022-03-01 Fitbit, Inc. Methods, systems and devices for measuring heart rate
US12397196B2 (en) 2016-08-14 2025-08-26 Fitbit, Inc. Automatic detection and quantification of swimming
US12471790B2 (en) 2017-04-07 2025-11-18 Fitbit, LLC Multiple source-detector pair photoplethysmography (PPG) sensor

Citations (11)

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Publication number Priority date Publication date Assignee Title
US4409992A (en) * 1980-10-16 1983-10-18 Sidorenko Georgy I Electronic ergometer
DE4141109A1 (de) * 1991-12-13 1993-06-17 Daum Electronic Gmbh Vorrichtung und verfahren zum trainieren und zur ermittlung des trainingsfortschritts einer person
US5458548A (en) * 1993-06-25 1995-10-17 Crossing; Ian F. Fitness quantification exerciser
US5899963A (en) * 1995-12-12 1999-05-04 Acceleron Technologies, Llc System and method for measuring movement of objects
US6013007A (en) * 1998-03-26 2000-01-11 Liquid Spark, Llc Athlete's GPS-based performance monitor
US6021351A (en) * 1998-05-11 2000-02-01 Cardiac Pacemakers, Inc. Method and apparatus for assessing patient well-being
WO2001042809A2 (en) * 1999-12-07 2001-06-14 Esport Incorporated Gps athletic performance monitor methods and apparatus thereof
WO2001087426A2 (en) * 2000-05-15 2001-11-22 M-Dev (Proprietary) Limited Method and apparatus for monitoring exercise
US6397151B1 (en) * 1997-06-11 2002-05-28 Casio Computer Co., Ltd. Impulse force estimating device, impulse force estimating method, and medium storing impulse force estimation program
US6585622B1 (en) * 1999-12-03 2003-07-01 Nike, Inc. Interactive use an athletic performance monitoring and reward method, system, and computer program product
US6632158B1 (en) * 1997-03-12 2003-10-14 Neurocom International, Inc. Monitoring of training programs

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409992A (en) * 1980-10-16 1983-10-18 Sidorenko Georgy I Electronic ergometer
DE4141109A1 (de) * 1991-12-13 1993-06-17 Daum Electronic Gmbh Vorrichtung und verfahren zum trainieren und zur ermittlung des trainingsfortschritts einer person
US5458548A (en) * 1993-06-25 1995-10-17 Crossing; Ian F. Fitness quantification exerciser
US5899963A (en) * 1995-12-12 1999-05-04 Acceleron Technologies, Llc System and method for measuring movement of objects
US6632158B1 (en) * 1997-03-12 2003-10-14 Neurocom International, Inc. Monitoring of training programs
US6397151B1 (en) * 1997-06-11 2002-05-28 Casio Computer Co., Ltd. Impulse force estimating device, impulse force estimating method, and medium storing impulse force estimation program
US6013007A (en) * 1998-03-26 2000-01-11 Liquid Spark, Llc Athlete's GPS-based performance monitor
US6021351A (en) * 1998-05-11 2000-02-01 Cardiac Pacemakers, Inc. Method and apparatus for assessing patient well-being
US6585622B1 (en) * 1999-12-03 2003-07-01 Nike, Inc. Interactive use an athletic performance monitoring and reward method, system, and computer program product
WO2001042809A2 (en) * 1999-12-07 2001-06-14 Esport Incorporated Gps athletic performance monitor methods and apparatus thereof
WO2001087426A2 (en) * 2000-05-15 2001-11-22 M-Dev (Proprietary) Limited Method and apparatus for monitoring exercise

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1754521A1 (de) 2005-08-16 2007-02-21 CSEM Centre Suisse d'Electronique et de Microtechnique SA Recherche et Développement Verfahren und Gerät zur Betimmung der Effizienz eines Laufstils
EP1764583A3 (de) * 2005-09-16 2007-05-30 IDT Technology Limited System und Verfahren zur Messung von Gangartparametern
EP2229880A1 (de) 2009-03-18 2010-09-22 CSEM Centre Suisse d'Electronique et de Microtechnique SA Stirnbandintegrierte Überwachungseinheit mit einem Beschleunigungsmesser
US10856744B2 (en) 2010-09-30 2020-12-08 Fitbit, Inc. Portable monitoring devices and methods of operating same
US9629558B2 (en) 2010-09-30 2017-04-25 Fitbit, Inc. Portable monitoring devices and methods of operating same
US11883195B2 (en) 2010-09-30 2024-01-30 Fitbit, Inc. Multimode sensor devices
US11676717B2 (en) 2010-09-30 2023-06-13 Fitbit, Inc. Portable monitoring devices and methods of operating same
US10216893B2 (en) 2010-09-30 2019-02-26 Fitbit, Inc. Multimode sensor devices
US10381109B2 (en) 2010-09-30 2019-08-13 Fitbit, Inc. Multimode sensor devices
US10178973B2 (en) 2012-06-22 2019-01-15 Fitbit, Inc. Wearable heart rate monitor
US9662053B2 (en) 2012-06-22 2017-05-30 Fitbit, Inc. Physiological data collection
US12564329B2 (en) 2012-06-22 2026-03-03 Fitbit, Inc. Optical device for determining pulse rate
US11096601B2 (en) 2012-06-22 2021-08-24 Fitbit, Inc. Optical device for determining pulse rate
US11259707B2 (en) 2013-01-15 2022-03-01 Fitbit, Inc. Methods, systems and devices for measuring heart rate
US10512407B2 (en) 2013-06-24 2019-12-24 Fitbit, Inc. Heart rate data collection
US9775548B2 (en) 2015-05-28 2017-10-03 Fitbit, Inc. Heart rate sensor with high-aspect-ratio photodetector element
US11206989B2 (en) 2015-12-10 2021-12-28 Fitbit, Inc. Light field management in an optical biological parameter sensor
US11317816B1 (en) 2015-12-14 2022-05-03 Fitbit, Inc. Multi-wavelength pulse oximetry
US10568525B1 (en) 2015-12-14 2020-02-25 Fitbit, Inc. Multi-wavelength pulse oximetry
US10433739B2 (en) 2016-04-29 2019-10-08 Fitbit, Inc. Multi-channel photoplethysmography sensor
US11633117B2 (en) 2016-04-29 2023-04-25 Fitbit, Inc. Multi-channel photoplethysmography sensor
US11666235B2 (en) 2016-04-29 2023-06-06 Fitbit, Inc. In-canal heart rate monitoring apparatus
US12397196B2 (en) 2016-08-14 2025-08-26 Fitbit, Inc. Automatic detection and quantification of swimming
US11779231B2 (en) 2017-04-07 2023-10-10 Fitbit, Inc. Multiple source-detector pair photoplethysmography (PPG) sensor
US11051706B1 (en) 2017-04-07 2021-07-06 Fitbit, Inc. Multiple source-detector pair photoplethysmography (PPG) sensor
US12471790B2 (en) 2017-04-07 2025-11-18 Fitbit, LLC Multiple source-detector pair photoplethysmography (PPG) sensor

Also Published As

Publication number Publication date
DE602004004243D1 (de) 2007-02-22
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