ergograph

[ur-guh-graf, -grahf]

noun

1. an instrument that records the amount of work done when a muscle contracts.

ergograph

/ ˈɜːɡəˌɡrɑːf, -ˌɡræf /

noun

1. an instrument that measures and records the amount of work a muscle does during contraction, its rate of fatigue, etc

Other Word Forms

• ergographic adjective

Word History and Origins

Origin of ergograph¹

First recorded in 1890–95; ergo- ¹ + -graph

Example Sentences

The Dubois ergograph is used for the purpose, the object being to trace a fatigue curve.

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If the arm lifts the weight of an ergograph until the will cannot overcome the fatigue, the mere seeing of the movement carried out by others whips the motor centers to new efficiency.

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It now relies on purely psychological tests for its researches, and although it does not exclude the methods adopted in the laboratory, and the use of such accurate and trustworthy instruments as the esthesiometer and the ergograph, the school itself has become the chief field of experiment.

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Here belongs also the ergograph, which gives the exact record of muscular work with all the influences of will and attention and fatigue, the automatograph which writes the involuntary movements, especially also the galvanoscope which may register the influence of ideas and emotions on the glands of the skin, and thus lead to an analysis of repressed mental states, and hundreds of other instruments which are used in the psychological laboratory.

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Then we shall hear at summer resorts and fairs, "Your ergograph on a postal card, three for a quarter."

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