Movement assessment apparatus and a method for providing biofeedback using the same

• US 9,173,596 B1
• Filed: 06/28/2014
• Issued: 11/03/2015
• Est. Priority Date: 06/28/2014
• Status: Active Grant

• Current Assignee: Bertec Corporation
• Original Assignee: Bertec Limited
• Inventors: Berme, Necip, Ober, Jan Jakub
• Primary Examiner(s): Thomson, William
• Assistant Examiner(s): Archer, Marie
• Application Number:
  US14/318,631
• Time in Patent Office: 493 Days
• US Class Current: 1/1
• CPC Class Codes: A61B 2560/0214 of power generation or supply
• CPC Class Codes: A61B 2560/0242 adapted to measure environmental factors, e.g. temperature, pollution
• CPC Class Codes: A61B 2562/0219 Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches
• CPC Class Codes: A61B 2562/0223 Magnetic field sensors
• CPC Class Codes: A61B 2562/029 Humidity sensors
• CPC Class Codes: A61B 2562/06 Arrangements of multiple sensors of different types
• CPC Class Codes: A61B 5/0024 for multiple sensor units attached to the patient, e.g. using a body or personal area network
• CPC Class Codes: A61B 5/11 Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb for measuring pulse A61B5/02 ;A61B5/1038 takes precedence; motion detection to correct for motion artifacts in physiological signals A61B5/721
• CPC Class Codes: A61B 5/1112 Global tracking of patients, e.g. by using GPS
• CPC Class Codes: A61B 5/1116 Determining posture transitions
• CPC Class Codes: A61B 5/1122 of movement trajectories
• CPC Class Codes: A61B 5/1126 using a particular sensing technique
• CPC Class Codes: A61B 5/486 Bio-feedback A61B5/375 takes precedence
• CPC Class Codes: A61B 5/6803 Head-worn items, e.g. helmets, masks, headphones or goggles
• CPC Class Codes: A61B 5/6823 Trunk, e.g., chest, back, abdomen, hip
• CPC Class Codes: A61B 5/6824 Arm or wrist
• CPC Class Codes: A61B 5/6828 Leg
• CPC Class Codes: A61B 5/6829 Foot or ankle
• CPC Class Codes: A61B 5/6895 Sport equipment
• CPC Class Codes: A61B 5/7246 using correlation, e.g. template matching or determination of similarity
• CPC Class Codes: A61B 5/7405 : using sound
• CPC Class Codes: A61B 5/742 : using visual displays A61B5/339 takes precedence
• CPC Class Codes: A61B 5/7455 : characterised by tactile indication, e.g. vibration or electrical stimulation
• CPC Class Codes: G16H 20/30 : relating to physical therapies or activities, e.g. physiotherapy, acupressure or exercising
• CPC Class Codes: G16H 40/67 : for remote operation

Abstract

A movement assessment apparatus configured to provide biofeedback to a user regarding one or more bodily movements executed by the user is disclosed herein. The movement assessment apparatus generally includes a sensing device comprising one or more sensors, a data processing device operatively coupled to the sensing device, and a sensory output device operatively coupled to the data processing device. The data processing device is configured to determine a movement path and/or velocity profile of the body portion of the user using one or more signals from the one or more sensors, to compare the movement path and/or the velocity profile determined for the body portion of the user to a respective baseline movement path and/or velocity profile, and to determine how closely the movement path and/or the velocity profile determined for the body portion of the user conforms to the respective baseline movement path and/or baseline velocity profile.

Claims

1. A movement assessment apparatus configured to provide biofeedback to a user regarding one or more bodily movements executed by the user, the movement assessment apparatus comprising:

at least one sensing device, the at least one sensing device comprising one or more sensors for detecting the motion of a body portion of a user and outputting one or more signals that are generated based upon the motion of the body portion of the user, the at least one sensing device further comprising attachment means for attaching the at least one sensing device to the body portion of the user;

a data processing device operatively coupled to the at least one sensing device, the data processing device configured to receive the one or more signals that are output by the one or more sensors of the at least one sensing device, and to determine executed motion data for an executed motion of the body portion of the user using the one or more signals, the data processing device configured to automatically select a reference motion by comparing the executed motion of the body portion of the user to each of a plurality of reference motions representing a plurality of different activities, the data processing device further configured to;

(i) execute an agreement operation by converting the executed motion data to a feedback-agreeing form that agrees with at least one of the dimensions, reference frames, and units of baseline motion data of the reference motion, (ii) execute a comparison operation by comparing the feedback-agreeing form of the executed motion data to the baseline motion data of the reference motion, and (iii) determine how closely the feedback-agreeing form of the executed motion data conforms to the baseline motion data of the reference motion, the data processing device additionally configured to generate an abstract feedback signal based upon the execution of the comparison operation; and

a sensory output device operatively coupled to the data processing device, the sensory output device configured to generate a formed feedback signal for delivery to the user that is based upon the abstract feedback signal, the formed feedback signal comprising at least one of a visual indicator, an audible indicator, and a tactile indicator, and the sensory output device further configured to output the at least one of the visual indicator, the audible indicator, and the tactile indicator to the user in order to provide biofeedback as to conformity of the executed motion data to the baseline motion data of the reference motion.

2. The movement assessment apparatus according to claim 1, wherein the one or more sensors of the at least one sensing device comprise at least one of:

(i) an accelerometer, (ii) a gyroscope, and (iii) a geomagnetic sensor.

3. The movement assessment apparatus according to claim 1, wherein the at least one sensing device comprises a plurality of sensing devices, a first of the plurality of sensing devices configured to be attached to a limb of the user, a second of the plurality of sensing devices configured to be attached to a first torso location of the user, a third of the plurality of sensing devices configured to be attached to a head of the user, and a fourth of the plurality of sensing devices configured to be attached to a second torso location of the user.

4. The movement assessment apparatus according to claim 1, wherein the attachment means of the at least one sensing device comprises a resilient band for attaching the at least one sensing device to one of a limb of the user, a torso of the user, and a head of the user.

5. The movement assessment apparatus according to claim 1, wherein the data processing device comprises a microprocessor.

6. The movement assessment apparatus according to claim 1, further comprising a band for attaching the data processing device to a torso of the user.

7. The movement assessment apparatus according to claim 1, wherein the sensory output device comprises an audio headset configured to be worn on a head of the user, and wherein the audio headset is configured to generate the audible indicator that provides biofeedback as to the conformity of the executed motion data to the baseline motion data of the reference motion.

8. The movement assessment apparatus according to claim 1, wherein the at least one sensing device further comprises one or more additional sensors for detecting at least one of:

(i) a position of the user, (ii) a body parameter of the user, and (iii) an environmental parameter.

9. The movement assessment apparatus according to claim 8, wherein the one or more additional sensors of the at least one sensing device comprise at least one of:

(i) a global positioning system sensor for detecting a position of the user, (ii) a body oxygenation sensor for detecting an oxygen level or oxygen saturation level of the user, (iii) a body temperature sensor for detecting a body temperature of the user, (iv) an ambient temperature sensor for detecting a temperature of an environment in which the user is disposed, and (v) a humidity sensor for detecting a humidity level of the environment in which the user is disposed.

10. The movement assessment apparatus according to claim 1, wherein the sensory output device comprises a light emitting device configured to be worn by the user, and wherein the light emitting device is configured to generate the visual indicator that provides biofeedback as to the conformity of the executed motion data to the baseline motion data of the reference motion.

11. The movement assessment apparatus according to claim 1, wherein the sensory output device comprises a vibratory device configured to be worn by the user, and wherein the vibratory device is configured to generate the tactile indicator that provides biofeedback as to the conformity of the executed motion data to the baseline motion data of the reference motion.

12. The movement assessment apparatus according to claim 1, wherein the baseline motion data of the reference motion includes a baseline movement path and/or a baseline velocity profile, and one or more parameters of the baseline movement path and/or the baseline velocity profile are adjustable so as to accommodate at least one of:

(i) a plurality of different activities performed by the user, (ii) a skill level of the user with respect to a particular activity, (iii) a particular movement style of the user, and (iv) physical limits of the user.

13. The movement assessment apparatus according to claim 1, further comprising means for adjusting a sensitivity of the biofeedback provided by the apparatus so as to accommodate users of different skill levels.

14. The movement assessment apparatus according to claim 1, wherein the movement assessment apparatus is configured to provide real-time biofeedback to the user.

15. The movement assessment apparatus according to claim 1, wherein the data processing device is further configured to assign weights to the plurality of different activities so as to increase a likelihood that certain ones of the plurality of different activities are selected over other ones of the plurality of different activities.

16. The movement assessment apparatus according to claim 1, further comprising a club with a selection switch disposed thereon for enabling a user to select a particular one of the plurality of different activities that is used by the data processing device to determine the reference motion that is compared to the executed motion of the body portion of the user.

17. The movement assessment apparatus according to claim 1, wherein the data processing device is further configured to execute an adaptation operation whereby one or more parameters of the agreement and comparison operations are adjusted so as to provide biofeedback tailored to at least one of a skill level, movement style, and physical limits of the user;

and wherein the data processing device is additionally configured to generate the abstract feedback signal based upon the execution of the adaptation operation.

18. The movement assessment apparatus according to claim 1, wherein the data processing device is further configured to utilize a selection signal for automatically selecting the reference motion, the abstract feedback signal, and the formed feedback signal based upon an activity being performed by the user;

and wherein the executed motion data includes a movement path and/or a velocity profile, the selection signal enabling the data processing device to adjust the one or more parameters of the baseline movement path and/or the velocity profile to accommodate a plurality of different activities performed by the user.

19. A method for providing biofeedback to a user regarding one or more bodily movements executed by the user, the method comprising the steps of:

providing a movement assessment apparatus configured to be worn by a user, the movement assessment apparatus including;

at least one first sensing device, the at least one first sensing device comprising one or more sensors for detecting the motion of a body portion of a user and outputting one or more first signals that are generated based upon the motion of the body portion of the user, the at least one first sensing device further comprising first attachment means for attaching the at least one first sensing device to the body portion of the user;

at least one second sensing device, the at least one second sensing device comprising one or more sensors for detecting the motion of an object manipulated by the user and outputting one or more second signals that are generated based upon the motion of the object manipulated by the user, the at least one second sensing device further comprising second attachment means for attaching the at least one second sensing device to the object;

a data processing device operatively coupled to the at least one first sensing device and the at least one second sensing device, the data processing device configured to receive the one or more first signals that are output by the one or more sensors of the at least one first sensing device, and to determine executed motion data for an executed motion of the body portion of the user using the one or more first signals, the data processing device configured to receive the one or more second signals that are output by the one or more sensors of the at least one second sensing device, and to determine a motion of the object using the one or more second signals, the data processing device further configured to;

(i) execute an agreement operation by converting the executed motion data to a feedback-agreeing form that agrees with at least one of the dimensions, reference frames, and units of baseline motion data of a reference motion, (ii) execute a comparison operation by comparing the feedback-agreeing form of the executed motion data to the baseline motion data of the reference motion, and (iii) determine how closely the feedback-agreeing form of the executed motion data conforms to the baseline motion data of the reference motion, the data processing device additionally configured to generate an abstract feedback signal based upon the execution of the comparison operation; and

a sensory output device operatively coupled to the data processing device, the sensory output device configured to generate a formed feedback signal for delivery to the user that is based upon the abstract feedback signal, the formed feedback signal comprising at least one of a visual indicator, an audible indicator, and a tactile indicator, and the sensory output device further configured to output the at least one of the visual indicator, the audible indicator, and the tactile indicator to the user in order to provide biofeedback as to conformity of the executed motion data to the baseline motion data of the reference motion;

outfitting a user with the movement assessment apparatus, which includes attaching the first attachment means of the at least one first sensing device to a body portion of the user;

attaching the second attachment means of the at least one second sensing device to an object;

instructing the user to perform an activity where the user displaces both the body portion with the at least one first sensing device attached thereto and the object with the at least one second sensing device attached thereto;

detecting, by utilizing the at least one first sensing device, the motion of the body portion of the user and outputting one or more first signals that are generated based upon the motion of the body portion of the user;

detecting, by utilizing the at least one second sensing device, the motion of the object manipulated by the user and outputting one or more second signals that are generated based upon the motion of the object manipulated by the user;

receiving, at the data processing device, the one or more first signals that are output by the one or more sensors of the at least one first sensing device and the one or more second signals that are output by the one or more sensors of the at least one second sensing device;

determining, by using the data processing device, executed motion data for an executed motion of the body portion of the user using the one or more first signals;

determining, by using the data processing device, a motion of the object using the one or more second signals;

executing an agreement operation, by using the data processing device, whereby the executed motion data is converted to a feedback-agreeing form that agrees with at least one of the dimensions, reference frames, and units of baseline motion data of a reference motion,

executing a comparison operation, by using the data processing device, whereby the feedback-agreeing form of the executed motion data is compared to the baseline motion data of the reference motion;

determining, by using the data processing device, how closely the feedback-agreeing form of the executed motion data conforms to the baseline motion data of the reference motion;

generating, by using the data processing device, an abstract feedback signal based upon the execution of the comparison operation;

generating, by using the sensory output device, a formed feedback signal for delivery to the user that is based upon the abstract feedback signal, the formed feedback signal comprising at least one of a visual indicator, an audible indicator, and a tactile indicator; and

outputting the at least one of the visual indicator, the audible indicator, and the tactile indicator from the sensory output device to the user in order to provide quasi-instantaneous, real-time biofeedback as to conformity of the executed motion data to the baseline motion data of the reference motion.

20. The method according to claim 19, wherein the data processing device is further configured to execute an adaptation operation whereby one or more parameters of the agreement and comparison operations are adjusted so as to provide biofeedback tailored to at least one of a skill level, movement style, and physical limits of the user;

and wherein the data processing device is additionally configured to generate the abstract feedback signal based upon the execution of the adaptation operation.

21. The method according to claim 19, wherein the data processing device is further configured to utilize a selection signal for automatically selecting the reference motion, the abstract feedback signal, and the formed feedback signal based upon an activity being performed by the user;

and wherein the executed motion data includes a movement path and/or a velocity profile, the selection signal enabling the data processing device to adjust the one or more parameters of the baseline movement path and/or the velocity profile to accommodate a plurality of different activities performed by the user.

22. A movement and performance assessment apparatus configured to provide biofeedback to a user regarding one or more bodily movements executed by the user, the movement and performance assessment apparatus comprising:

at least one sensing device, the at least one sensing device comprising one or more first sensors for detecting the motion of a body portion of a user and outputting one or more first signals that are generated based upon the motion of the body portion of the user, the at least one sensing device further comprising a plurality of second sensors for detecting an environmental parameter of an environment in which the user is disposed and at least one of;

(i) a position of the user, and (ii) a body parameter of the user, the plurality of second sensors outputting one or more second signals, and the at least one sensing device additionally comprising attachment means for attaching the at least one sensing device to the body portion of the user;

a data processing device operatively coupled to the at least one sensing device, the data processing device configured to receive the one or more first signals that are output by the one or more first sensors of the at least one sensing device, to receive the one or more second signals that are output by the plurality of second sensors of the at least one sensing device, and to determine executed motion data for an executed motion of the body portion of the user using the one or more first signals and to determine an environmental parameter of an environment in which the user is disposed using the one or more second signals, the data processing device configured to automatically select a reference motion by comparing the executed motion of the body portion of the user to each of a plurality of reference motions representing a plurality of different activities, the data processing device further configured to;

(i) execute an agreement operation by converting the executed motion data to a feedback-agreeing form that agrees with at least one of the dimensions, reference frames, and units of baseline motion data of the reference motion, (ii) execute a comparison operation by comparing the feedback-agreeing form of the executed motion data to the baseline motion data of the reference motion, and (iii) determine how closely the feedback-agreeing form of the executed motion data conforms to the baseline motion data of the reference motion in order to assess a performance of the user, the data processing device further configured to automatically track the performance of the user based on the environmental parameter of the environment in which the user is disposed, the data processing device additionally configured to generate an abstract feedback signal based upon the execution of the comparison operation; and

a sensory output device operatively coupled to the data processing device, the sensory output device configured to generate a formed feedback signal for delivery to the user that is based upon the abstract feedback signal, the formed feedback signal comprising at least one of a visual indicator, an audible indicator, and a tactile indicator, and the sensory output device further configured to output the at least one of the visual indicator, the audible indicator, and the tactile indicator to the user in order to provide biofeedback as to conformity of the executed motion data to the baseline motion data of the reference motion.

23. The movement and performance assessment apparatus according to claim 22, wherein the plurality of second sensors of the at least one sensing device comprise at least one of:

(i) a global positioning system sensor for detecting a position of the user, (ii) a body oxygenation sensor for detecting an oxygen level or oxygen saturation level of the user, and (iii) a body temperature sensor for detecting a body temperature of the user, and at least one of;

(i) an ambient temperature sensor for detecting a temperature of an environment in which the user is disposed, and (ii) a humidity sensor for detecting a humidity level of the environment in which the user is disposed.

24. The movement and performance assessment apparatus according to claim 22, further comprising a remote computing device operatively coupled to the movement and performance assessment apparatus, the remote computing device comprising a data storage device for storing data acquired by the movement and performance assessment apparatus, the remote computing device further comprising a data processing device for analyzing the data acquired by the movement and performance assessment apparatus.

25. The movement and performance assessment apparatus according to claim 22, further comprising a counting device configured to measure a number of repetitions of an activity performed by the user, the counting device operatively coupled to the data processing device so that the measured number of repetitions are capable of being used in a performance analysis of the user.

26. The movement and performance assessment apparatus according to claim 22, wherein the data processing device is further configured to execute an adaptation operation whereby one or more parameters of the agreement and comparison operations are adjusted so as to provide biofeedback tailored to at least one of a skill level, movement style, and physical limits of the user;

and wherein the data processing device is additionally configured to generate the abstract feedback signal based upon the execution of the adaptation operation.

27. The movement and performance assessment apparatus according to claim 22, wherein the data processing device is further configured to utilize a selection signal for automatically selecting the reference motion, the abstract feedback signal, and the formed feedback signal based upon an activity being performed by the user;

and wherein the executed motion data includes a movement path and/or a velocity profile, the selection signal enabling the data processing device to adjust the one or more parameters of the baseline movement path and/or the velocity profile to accommodate a plurality of different activities performed by the user.