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A woman demonstrating the ability to balance A waiter balancing wine glasses. Balance in biomechanics, is an ability to maintain the line of gravity (vertical line from centre of mass) of a body within the base of support with minimal postural sway. [1] Sway is the horizontal movement of the centre of gravity even when a person is standing still.
In simpler terms, LoS represents the maximum distance an individual can intentionally sway in any direction without losing balance or needing to take a step. [2] The typical range of stable swaying is approximately 12.5° in the front-back (antero-posterior) direction and 16° in the side-to-side (medio-lateral) direction. [3]
The Timed Up and Go test (TUG) is a simple test used to assess a person's mobility and requires both static and dynamic balance. [1]It uses the time that a person takes to rise from a chair, walk three meters, turn around 180 degrees, walk back to the chair, and sit down while turning 180 degrees.
The space MMO Vendetta Online also features 6 degrees of freedom. Motion tracking hardware devices such as TrackIR and software-based apps like Eyeware Beam are used for 6DOF head tracking. This device often finds its places in flight simulators and other vehicle simulators that require looking around the cockpit to locate enemies or simply ...
Lateral sway; Step variability; Internal rotation; Similar to decreased stride length and increased step width, lateral sway is generally postulated to be an indication of gait instability. The gait naturally widens to account for a greater instability or external perturbations to balance. Step variability is also related to balance and lateral ...
The Berg Balance Scale is used by clinical exercise physiologists, physiotherapists and occupational therapists to determine the functional mobility of an individual. This test can be administered prior to treatment for elderly individuals and patients with a history of but not limited to stroke, [1] Multiple sclerosis, Parkinson's disease, Ataxia, vertigo, cardiovascular disease and ...
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The metacentric height (GM) is a measurement of the initial static stability of a floating body. [1] It is calculated as the distance between the centre of gravity of a ship and its metacentre . A larger metacentric height implies greater initial stability against overturning.