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The instrument used for measuring range of motion in joint is ............. .

  • A.Calliper
  • B.Dynamometer
  • C.Ergometer
  • D.Goniometer

Answer: D

Range of motion in a joint is measured with a Goniometer.

A goniometer is a protractor with two arms; one is aligned with each body segment and the angle through which the joint moves is read in degrees. It is the standard instrument for measuring flexibility at a joint.

A calliper (skinfold calliper) measures skinfold thickness for body fat, a dynamometer measures muscular strength (for example grip strength), and an ergometer measures work or power output, as on a cycle ergometer.

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