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  2. Vertical jump - Wikipedia

    en.wikipedia.org/wiki/Vertical_jump

    The vertical jump measurement test is designed to measure an athlete's ability to perform powerfully. The measurement method seen here is an improved version of the chalk on finger method. The device used is known as a vertical jump tester. A vertical jump or vertical leap is the act of jumping upwards into the

  3. Shock and vibration data logger - Wikipedia

    en.wikipedia.org/wiki/Shock_and_vibration_data...

    Shock and vibration logger with integrated 3-axis digital accelerometer and lithium-polymer battery. A shock data logger or vibration data logger is a measurement instrument that is capable of autonomously recording shocks or vibrations over a defined period of time.

  4. Force platform - Wikipedia

    en.wikipedia.org/wiki/Force_platform

    The simplest force plates measure only the vertical component of the force in the geometric center of the platform. More advanced models measure the three-dimensional components of the single equivalent force applied to the surface and its point of application, usually called the centre of pressure (CoP), as well as the vertical moment of force ...

  5. List of measuring instruments - Wikipedia

    en.wikipedia.org/wiki/List_of_measuring_instruments

    Brannock Device: measuring shoe size breathalyzer: breath alcohol content caliper: length calorimeter: heat of chemical reactions cathetometer: vertical distances ceilometer: height of a cloud base chronometer or clock: time clap-o-meter: volume of applause compass: direction of North Coulombmeter: electrostatic charge of a material colorimeter ...

  6. Force gauge - Wikipedia

    en.wikipedia.org/wiki/Force_gauge

    An example of an electrical force gauge is an "electronic scale". One or more electrical load cells (commonly referred to as "weigh bars") are used to support a vertical or horizontal "live load" and are solid-state potentiometers which have variable internal resistance proportional to the load they are subjected to and deflected by.

  7. Maddox rod - Wikipedia

    en.wikipedia.org/wiki/Maddox_rod

    To measure the horizontal deviation, the Maddox rod is placed in front of the right eye (it is done on both eyes) with the cylinder horizontal, making the red line vertical. The patient is then asked whether the white light is superimposed on the red line, or if it is to the left or right of the red line.

  8. Pogo stick - Wikipedia

    en.wikipedia.org/wiki/Pogo_stick

    An adult holding a pogo stick A high-performance pogo stick as used in "Xpogo". A pogo stick is a vehicle for jumping off the ground in a standing position—through the aid of a spring, or new high performance technologies—often used as a toy, exercise equipment or extreme sports instrument. [1]

  9. Jacob's staff - Wikipedia

    en.wikipedia.org/wiki/Jacob's_staff

    In navigation the instrument is also called a cross-staff and was used to determine angles, for instance the angle between the horizon and Polaris or the sun to determine a vessel's latitude, or the angle between the top and bottom of an object to determine the distance to said object if its height is known, or the height of the object if its distance is known, or the horizontal angle between ...