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Email us by clicking on this
sentence.
Click on the image above to
see a one-minute video
depicting the X-RTS Lever Arm.
The X-RTS Lever Arm is used in a
repeated measures testing protocol.
Weights can be placed at any of 35 measurement
points along the length of the device. Actual workloads are
determined not only by the amount of weight added to the device, but
also by the position into which the workload is secured.
Visual
estimations of actual workloads
have an average error of 80%.
Persons who fail the validity criteria typically have variation of
30-50% when comparing repeated measures. Persons who have no
apparent motivational issues will have 5-15% average variation
between repeated measures.
For
information
pertaining to the visual
estimation of effort and the studies pertaining to the "standard"
hand strength assessment protocols, click on this sentence.
The X-RTS Lever Arm is a common
sense, low-tech solution for a high-tech world.
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Stainless steel
construction |
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Biomechanics during use of
Lever Arm replicates the biomechanics a "box lift" |
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Real life 3-D movement of
handle plate (held by user) |
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Actual workloads are
difficult to estimate accurately by visual inspection, making
successful deception unlikely---the equivalent of "visual
spam" |
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Approximately 2,000
combinations of possible workloads |
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Can cross-reference
bilateral as well as unilateral lifts |
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CD with report writer, FCE
templates, and marketing and support materials with every
purchase |
Contact us
by clicking on this sentence.
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X-RTS Software
Products and Testing Devices
James D. St. James, Ph.D. and Darrell Schapmire, M.S.
P.O. Box 171, 128 Madison Street
Hopedale, IL 61747 Phone: (309) 449-5483
Fax: (309) 449-6218
ds@xrts.com
Site Copyright 2009
©.
Intellectual property theft is a federal offense having both civil
and criminal consequences.
The X-RTS Hand Strength Assessment software and database
are protected by US Copyright. The X-RTS devices are
protected by registered patents. X-RTS ® is a
registered trademark.
Intellectual
property rights for this site are insured to provide a mechanism to
challenge infringement of the trademark, copyrights, patents and all
written and digital information associated with this site.
Theft or unauthorized use, reproduction or distribution of the
products or information on the pages of this site will be considered
as a violation of the intellectual property rights of the site
owners.
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