327 results about "Physical Exertions" patented technology

An exercise and performance evaluation apparatus including a revolving belt or other engagement surface on which a subject can perform forward, backward, or sideways bipedal locomotion or other exercise movement, a means for securing the position of the subject relative to the frame of the apparatus, a means for measuring the force applied by the subject to the engagement surface, and a means for monitoring and/or controlling the velocity of the engagement surface. Securing the subject relative to the frame of the apparatus facilitates monitoring velocity as a function of time. Processing of velocity and force as a function of time allows for recording and analysis of data such as the maximal exertion force-velocity curve. Force-velocity-duration data for exertions is analyzed in terms of an intensity function. The apparatus allows exertions to be performed throughout, and outside, the first quadrant of a force-velocity-duration space.

A system and method for exercising core muscles, particularly the lumbar intrinsic musculature, including the multifidi. A system is disclosed that includes: a first sensor for detecting upper body exertions of a user engaged in an exercise; a second sensor for detecting lower torso exertions for the user engaged in the exercise; a third sensor for detecting lower extremity exertions for the user engaged in the exercise; a control system for processing sensor data from the first, second and third sensor, said control system including: a user interface system for communicating information with the user; a data collection system for collecting sensor data; an analysis system for analyzing the sensor data and determining if the user is performing the exercise in a technically correct manner; and a feedback system for alerting the user when the exercise is not being performed in the technically correct manner.

A method and system for automatically adjusting the operating parameters of a rate-adaptive cardiac pacemaker in which maximum exertion levels attained by the patient are measured at periodic intervals and stored in order to compute or update a maximum exercise capacity. The slope of the rate-response curve is then adjusted to map an exertion level corresponding to the updated maximum exercise capacity to a maximum allowable pacing rate. In accordance with the invention, a maximum exercise capacity is determined by cross-checking periodic maximum exertion level sensor values with a motion-level sensor value.

Devices and methods are disclosed for achieving hemostasis in patients who have received skin-penetrating wounds to the periphery, including the head, arms, and legs. Such haemostatic packing devices and methods are especially useful in the emergency, trauma surgery, or military setting. The devices utilize fluid impermeable barriers surrounded by exterior dams and pressure to achieve tamponade and hemostasis, primarily by exertion of force to hold the dams against the skin surrounding a wound. The devices are capable of serving as carriers for thrombogenic, antimicrobial or antipathogenic agents. The devices do not require the use of adhesives to work as they are attached to the patient using mechanical locking devices. Peripheral haemostatic packing devices include optional adhesive hemostatic barriers to attach at least a portion of the device to the skin or to assist with initial coupling of a hold-down strap to another strap using a more secure mechanical lock. The peripheral hemostatic packing system does not completely surround the extremity having the wound and therefore do not cause a tourniquet effect. The peripheral hemostatic packing system preferably is held against the skin surrounding a wound by a force that is generally unidirectional and substantially perpendicular to the plane in which the skin of the wound resides.

The present invention discloses a method, system, and computer program product for determining user interest in media. The invention can select one of a set of different activity profiles specified within a data store. Each activity profile can include biometric attributes and associated baseline attribute values specific to an activity state. A media stream can be manipulated (e.g., created from environmental inputs and/or played upon a presentation device). Biometric data can be received from a user in proximity to the media stream. The received biometric data can be compared values in the selected activity profile. An interest level in the media stream can be determined based on comparison differences. A programmatic action can be performed relating to the media stream based upon the determined interest level. For example, a bitrate of the media and/or a marker in the media can be modified based on interest level.

The invention relates to cardiac rhythm management systems, and more particularly, to rate adaptive cardiac pacing systems and methods. In an embodiment, the invention includes a method for providing rate-adaptive cardiac pacing therapy from an implantable medical device, the method including sensing a pulmonary function of a patient; determining a rate of change in the pulmonary function; sensing a cardiac function of the patient; determining a rate of change in the cardiac function; and calculating a target pacing rate based on an existing pacing rate, the rate of change in the pulmonary function, and the rate of change in the cardiac function. In an embodiment, the invention includes a method of controlling a cardiac rhythm management device in response to exertion of a patient, the method including sensing the patient's pulmonary function at a first time t₁ and at a second time t₂; calculating a rate of change of the pulmonary function between time t₁ and time t₂; sensing the patient's cardiac function at time t₃ and t₄; calculating a rate of change of the cardiac function between time t₃ and time t₄; and setting a desired pacing rate. Embodiments of the invention also include cardiac rhythm management devices.

The present invention provides for a variable stride exercise device having a variable size close curved striding path during use. The exercise device described and depicted herein utilizes various configurations of linkage assemblies, cam members, and other components, connected with a frame to allow a user to dynamically vary his stride path during exercise. An exercise device conforming to aspects of the present invention provides a foot path that adapts to the change in stride length rather than forcing the user into a fixed size path. A user's exertion level may have several components impacting the stride length provided by the machine, such as leg power, torso power, and (in embodiments with arm supports or exercise components) arm power. Other embodiments of the exercise device include a lockout device that selectively eliminates the variable stride features of the exercise device and allows the user to exercise in a stepping motion.

Disclosed is a weight lifting apparatus having mechanism for assisting in adding a rotational element to the traditional front/back (or flexion and extension) activities during the lifting of weights or other athletic resistance activitiesl. This invention to provides an attachment apparatus that provides a weight holding means that is able to offer 360 degrees of smooth movement which allows complete rotational positionability for use with any stationary or moving resistive weight apparatus. This invention also provids an apparatus wherein the weight holding means also provides a safety measure which can limit the speed of rotation or even stop this motion in the event that the weight is dropped or rotational exertion limits are reached.

A system and method for automatically adjusting the operating parameters of a rate-adaptive cardiac pacemaker in which maximum exertion levels attained by the patient are measured at periodic intervals and stored. The stored maximum exertion levels may then be used to update a long-term maximal exertion level, and the slope of the rate-response curve is adjusted to map the updated long-term maximal exertion level to a maximum allowable pacing rate. In accordance with the invention, the rate response curve is defined such that an exertion level corresponding to the patient's maximum exercise capacity would be mapped to a physiologically favorable maximum rate that is independent from a specified maximum sensor indicated rate.

Exercise machines are networked together to provide a user with an indication of the user's performance level compared to the performance levels of other users. Simulated characters corresponding to the users are shown on one or more displays viewable by the users. The simulated characters have a primary movement that may differ in type from the primary movement used in achieving the exercise by the corresponding user. Further, the primary movement used to achieve exercise by one user may differ from the primary movement used to achieve exercise by another user. Exertion transducers provide signals that are used in calculating parameters such as speed and acceleration. Biometric data may be measured from the users during exertion and displayed or uploaded onto the network.

The present invention provides for a variable stride exercise device having a variable size close curved striding path during use. The exercise device described and depicted herein utilizes various configurations of linkage assemblies, cam members, and other components, connected with a frame to allow a user to dynamically vary his stride path during exercise. An exercise device conforming to aspects of the present invention provides a foot path that adapts to the change in stride length rather than forcing the user into a fixed size path. A user's exertion level may have several components impacting the stride length provided by the machine, such as leg power, torso power, and (in embodiments with arm supports or exercise components) arm power. Other embodiments of the exercise device include a lockout device that selectively eliminates the variable stride features of the exercise device and allows the user to exercise in a stepping motion.

An ergonomic chair provides continuous support to the seated user throughout a broad range of postures by pivoting both the seat and back supporting cushions about a first or common axis disposed above the seat support cushion and in front of the back support cushion. The back supporting portion also independently pivots about a second horizontal axis proximate the lumbar region in a manner that allows the back supporting cushion to assume an angle that provides permanent contact with the seated user's back when said user is leaning back against the back support cushion. The springs that otherwise oppose the free rotation about the first and second axis are balanced such that the force inherently exerted by the user during movement through a range of seated postures is sufficient to initiate the coordinated rotation of the seat and back supporting element. No additional exertion is required once the user has reached the desired inclination, as the return springs are selected to counterbalance the redistributed weight of the user. Thus, full contact of the back supporting portion with the user's back is achieved over a full range of postures to provide proper ergonomic support, allowing the user to stay at task. In combination with such motion, which maintains the head at a level and angle such that the eyes can remain focused on their primary visual target without need to adjust the height, depth or angle of the target. The chair can offer armrests that support the forearms of the seated user to reduce the load carried by the arms, shoulders, neck and back and cooperate with the motion of the seat and back supporting elements to maintain ergonomically correct orientation of the hands to the keyboard or work surface.