Abstract: A force measurement assembly is disclosed herein. The force measurement assembly includes a top component, the top component having a top surface for receiving at least one portion of the body of the subject; a single force transducer supporting the top component, the single force transducer configured to sense one or more measured quantities and output one or more signals that are representative of forces and/or moments being applied to the top surface of the top component by the subject; and a base component disposed underneath the single force transducer, the base component configured to be disposed on a support surface.

Abstract: A force measurement system is disclosed herein. The force measurement system includes a plurality of force measurement assemblies, at least some of the plurality of force measurement assemblies configured to be independently displaceable from other ones of the plurality of force measurement assemblies such that one or more particular ones of the plurality of force measurement assemblies that are disposed underneath a subject varies over time. Each of the plurality of force measurement assemblies includes a top surface for receiving at least one portion of the body of the subject; and at least one force transducer, the at least one force transducer configured to sense one or more measured quantities and output one or more signals that are representative of forces and/or moments being applied to the top surface of the force measurement assembly by the subject.

Abstract: A force measurement system is disclosed herein. The force measurement system includes a force measurement assembly with at least one load transducer beam having a load transducer frame portion, and a plurality of deformation sensing elements disposed on the load transducer frame portion, a first one of the plurality of deformation sensing elements being sensitive to a first force component of the load and outputting a first output signal representative of the first force component of the load, and a second one of the plurality of deformation sensing elements being sensitive to a second force component of the load and outputting a second output signal representative of the second force component of the load, the first force component of the load being different from the second force component of the load; and a data processing device operatively coupled to the plurality of deformation sensing elements of the load transducer beam.

Abstract: A force measurement system is disclosed herein. In one embodiment, the system includes a force measurement assembly configured to receive a subject; a data processing device operatively coupled to the force measurement assembly, the data processing device configured to determine a center of pressure for the subject using output forces and/or moments from the force measurement assembly; and a mobile device configured to determine one or more parameters indicative of the body sway for the subject. In this embodiment, a fall risk of the subject is assessed based upon a combination of the center of pressure and the one or more parameters indicative of the body sway determined for the subject.

Abstract: A force measurement system is disclosed herein. The force measurement system includes a force measurement assembly and a data processing device operatively coupled to the force measurement assembly. In one or more embodiments, the data processing device is configured to reference a stored global calibration matrix for the force measurement assembly, to determine a location of an applied load on the surface of the force measurement assembly using the stored global calibration matrix, to assign the applied load to one or more of a plurality of different load regions based upon the location of the applied load, and to compute one or more output forces or moments of the applied load using stored local calibration information for the one or more of the plurality of different load regions. A method of calibrating a force measurement system is also disclosed herein.

Abstract: A load transducer system is disclosed herein. The load transducer system includes a load transducer and a data processing device. The load transducer has a load transducer frame portion configured to elastically deform when a load is applied to the load transducer; and one or more deformation sensing elements, disposed on the load transducer frame portion, sensitive to one or more respective force or moment components of the load. The data processing device is operatively coupled to the one or more deformation sensing elements of the load transducer, the data processing device is configured to determine one or more output forces or moments from one or more respective output signals of the one or more deformation sensing elements, to determine one or more deformation compensation parameters for the load transducer system, and to correct the one or more output forces or moments using the one or more deformation compensation parameters.

Abstract: A load transducer is disclosed herein. The load transducer includes a body portion having a plurality of sides, the plurality of sides of the body portion including a first side; a plurality of beam portions including a first beam portion and a second beam portion, the first beam portion being coupled to the body portion, the second beam portion being coupled to the first beam portion, and the second beam portion extending along the first side of the body portion; and at least one load cell disposed on one or more of the plurality of beam portions, the at least one load cell configured to measure at least one force or moment component of a load applied to the load transducer. A force measurement assembly including a plurality of load transducers with first and second beam portions is also disclosed herein.

Abstract: A movement assessment apparatus configured to provide biofeedback to a user regarding one or more 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 executed motion data of a body portion of the user and/or executed motion data of an object manipulated by the user using one or more signals from the one or more sensors, to compare the executed motion data or a modified form of the executed motion data to baseline motion data of a reference motion, and to determine how closely the executed motion data or the modified form of the executed motion data conforms to the baseline motion data of the reference motion.

Abstract: A load transducer is disclosed herein. The load transducer includes a plurality of beam portions connected to one another in succession, the plurality of beam portions being arranged in a circumscribing pattern whereby a central one of the plurality of beam portions is at least partially circumscribed by one or more outer ones of the plurality of beam portions; and at least one load cell disposed on one of the plurality of beam portions, the at least one load cell configured to measure at least one force or moment component of a load applied to the load transducer. A force measurement assembly including a plurality of load transducers with beam portions arranged in a circumscribing pattern is also disclosed herein.

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.

Abstract: A load transducer includes a central body portion; a plurality of beams extending outwardly from the central body portion, each of the plurality of beams including an end portion that is supported in a cantilevered manner from the central body portion; and a plurality of load cells, each of the load cells being disposed on one of the beams, the plurality of load cells configured to measure a plurality of force and/or moment components. In addition to being very accurate and reliable, the load transducer has a low profile and small size. This invention is easily manufactured using strain gage technology.

Abstract: A load transducer includes a central body portion; a plurality of beams extending outwardly from the central body portion, each of the plurality of beams including an end portion that is supported in a cantilevered manner from the central body portion; and a plurality of load cells, each of the load cells being disposed on one of the beams, the plurality of load cells configured to measure a plurality of force and/or moment components. In addition to being very accurate and reliable, the load transducer has a low profile and small size. This invention is easily manufactured using strain gage technology.