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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 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.
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 ...
High chair by Cosco (1957) High chair, a children's chair to raise them to the height of adults for feeding. They typically come with a detachable tray so that the child can sit apart from the main table. Booster chairs raise the height of children on regular chairs so they can eat at the main dining table.
The stop mechanism on the seat slides which prevents the rower's seat from falling off the sliding tracks at the front end (towards the boat's stern) of the slide tracks. Also, in the UK, the sliding seat position closest to the boat's stern. As a command, it instructs the crew to adopt this position. (The US calls this seat position the "front ...
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 ...
Posturography is the technique used to quantify postural control in upright stance in either static or dynamic conditions. Among them, Computerized dynamic posturography (CDP), also called test of balance (TOB), is a non-invasive specialized clinical assessment technique used to quantify the central nervous system adaptive mechanisms (sensory, motor and central) involved in the control of ...