Systems and methods for measuring, analyzing, and providing feedback for movement in multidimensional space

a multi-dimensional space and multi-dimensional space technology, applied in the field of systems and methods for providing feedback for movement in multi-dimensional space, can solve the problem that the knee joint is one of the most commonly injured joints, and achieve the effect of improving performance, and reducing the risk of injury

Inactive Publication Date: 2013-09-19
THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007]The present invention provides systems and methods that measure, analyze, and evaluate a user's movement during a specific activity to determine his or her risk for injury (traumatic or due to repetitive motion), then optionally provide focused feedback as to how the user can modify the movement. The evaluation and feedback are immediate, quantitative, and objective in nature. The feedback concentrates on modifying the user's technique in order to reduce his or her risk for injury and, optionally, to improve his or her performance. The systems and methods of the present invention give the user individualized training as the feedback provided is based on measurements taken from the user. Further, because the evaluation criteria, movement modifications and training strategies are embedded in the system, the present invention can be used without the supervision of an expert observer or professional while delivering consistent, objective, and quality guidance. The systems and methods comprise four modules—Measurement, Processing, Feedback and Display, and Recording—that can be configured in many embodiments without significant hardware modifications to analyze a variety of different parameters associated with a host of different movements, particularly movements that permit assessment of risk for injury and training to reduce this risk.
[0008]In one embodiment, the invention provides a method for training a subject to avoid joint injuries, comprising: gathering raw data from at least one sensor attached to a subject, to an interface, or in the subject's environment where the at least one sensor allows quantifying at least one parameter associated with a movement known to correspond to arisk of joint injury; transmitting the raw data to at least one processor; evaluating the risk of injury by comparing the raw data or processed raw data to a stored model; providing feedback to the subject based on the evaluated risk of injury so the subject can alter the movement and reduce the risk of joint injury; and storing at least one of the raw data, the processed raw data, the evaluated risk data and the feedback data.
[0013]In some aspects, the methods are used to increase a subject's performance in addition to reducing the risk of joint injuries.
[0023]In some aspects, system is used to increase a subject's performance in addition to reducing the risk of joint injuries.

Problems solved by technology

In particular, the knee joint is one of the most commonly injured joints due to its complex structure and the high loads that it sustains.

Method used

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  • Systems and methods for measuring, analyzing, and providing feedback for movement in multidimensional space
  • Systems and methods for measuring, analyzing, and providing feedback for movement in multidimensional space
  • Systems and methods for measuring, analyzing, and providing feedback for movement in multidimensional space

Examples

Experimental program
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Effect test

example 1

Anterior Cruciate Ligament (ACL) Injury Prevention

[0061]Extensive sections of the following example is excerpted from Dowling A V, Favre J, Andriacchi T P, entitled “Inertial sensor-based feedback can reduce key risk metrics for ACL injury during jump landings.” The final definitive version of this paper is in press to be published in the American Journal of Sports Medicine, by SAGE Publications, Inc., all rights reserved.

[0062]The anterior cruciate ligament (ACL) is the most commonly injured ligament of the knee, and loss of this ligament often leads to premature degenerative arthritis of the knee. As such, researchers have developed intervention programs that can successfully decrease the incidence of ACL injury. These preventive programs are generally six to eight weeks in duration and require two to three training sessions per week that are focused on altering lower extremity biomechanics. Most of these training sessions occur during team practices because the participants canno...

example 2

Perfecting Squatting Form

[0089]The squat (and the related weighted squat) is one of the most frequently used exercises in the field of strength and conditioning. It is a core exercise in many training regimens because it is biomechanically and neuromuscularly similar to a wide range of athletic movements. It is also relevant to non-athletes because it trains multiple muscle groups in a single maneuver, similar to common activities of daily living like lifting packages and picking up children. Squats have also been used to strengthen lower-body muscles during rehabilitation after a joint injury (see Schoenfeld, J. Strength. Cond. Res., 24:12 (2010)).

[0090]Injuries related to the squat exercise are minimal when participants perform the exercise correctly, with proper technique and appropriate weight. However, poor squatting technique can lead to serious injury, especially during a weighted squat with heavy weights. These injuries include muscle and ligament strains, and spine maladies...

example 3

Optimizing Baseball Throwing Mechanics

[0096]Throwing a baseball is a coordinated motion that starts in the toes and ends in the fingertips. A precise sequence of muscle activity, starting in the lower body, is required to transmit energy to the ball. Baseball pitchers complete thousands of throws to learn the skills necessary to execute a fastball, curveball, and the many other throws needed to play the game. Each of these throws results in high forces in the arm and especially in the shoulder joint, and pitchers are susceptible to significant shoulder injuries from repetitive stress; for example, in order to achieve ball velocity of 90 mph, the shoulder must rotate at angular velocities of up to 7000° / sec and may be exposed to forces of up to 950 N. In elite-level pitchers, there is a balance that must be achieved between the shoulder mobility that is necessary to reach extreme positions of rotation so that velocity can be transmitted to the ball and the stability that is necessary...

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Abstract

The present invention provides systems and methods that measure and analyze a user's movement during a specific activity, then provide immediate, focused feedback as to how the user can modify the movement.

Description

FIELD OF THE INVENTION[0001]This invention relates to systems and methods that measure, analyze, and provide feedback for one or more users during specific activities.BACKGROUND OF THE INVENTION[0002]In the following discussion, certain articles and methods will be described for background and introductory purposes. Nothing contained herein is to be construed as an “admission” of prior art. Applicant expressly reserves the right to demonstrate, where appropriate, that the articles and methods referenced herein do not constitute prior art under the applicable statutory provisions.[0003]In recent years, increasing numbers of people of all ages have become active for all of the health benefits exercise has to offer. However, for some people these health benefits come at a price: joint injuries. The term joint injury, in the broadest sense, refers to all kinds of injuries that affect a joint. In the context of sports, some joint injuries are due to accidents; others are due to poor trai...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A63B69/00G16H20/30
CPCA63B69/00G16H20/30
Inventor DOWLING, ARIEL VERONICAFAVRE, JULIENANDRIACCHI, THOMAS
Owner THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV
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