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Goniometers & Torsiometers – MP3X/45

Simultaneous Measurement Goniometer

Measure around two orthogonal rotational axes 

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Twin-axis Goniometer 110mm, BSL
Part #: SS20L, SS21L, SS22L, SS23L

Dual-axis devices provide simultaneous measurements around two orthogonal rotational axes and single output devices measure axial rotation about a single plane. Use with MP3X or MP45 unit.

  • SS20L and SS21L dual-axis goniometers measure limb angular movement (e.g., wrist flexion/extension and radial/ulnar deviations).
  • SS22L and SS23L single-axis torsiometers measure forearm pronation/supination.
  • SS24L single-axis goniometer measure joint movement (finger or toe).

Devices attach to the body using TAPE2 medical adhesive tape. One MP3X/45 channel is required for each output; to measure both axes simultaneously, twin-axis goniometers require two MP3X/45 channels.

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BIOPAC Physiology Teaching Tools
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Categories: Transducers - Education, Transducers - Research
Subcategories: Goniometers - Education, Goniometers - Research

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The gauge mechanism allows for accurate measurement of polycentric joints. Telescopic endblocks compensate for changes in distance between the two mounting points as the limb moves.

Suggested reading for additional information on goniometry: Legnani G, Zappa B, Casolo F, Adamini R, Magnani PL. A model of an electro-goniometer and its calibration for biomechanical applications. Med Eng Phys. 2000 Dec;22(10):711-22.

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