2
عمومی::
کرنومتر
equipment required: stopwatch, metal beam 50cm long, 5cm high and 3cm wide (the beam is stabilized by two supports at each end, and should have a non-slip surface)
Stop the stopwatch each time the person loses balance (either by falling off the beam or letting go of the foot being held).
equipment required: flat, non-slip surface, stopwatch, paper and pencil.
The stopwatch is started as the heel is raised from the floor.
The stopwatch is stopped if any of the follow occur:
واژگان شبکه مترجمین ایران