1. Intratester Reliability and Validity of Concentric Measurements Using a New Hand-Held Dynamometer 
Jessie C. Janssen, MSc, Lan Le-Ngoc, PhD 
Archives of Physical Medicine and Rehabilitation 
Volume 90, Issue 9, Pages (September 2009)
DOI: /j.apmr
Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions

2. Fig 1
The mechanical arm.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions

3. Fig 2 The new HHD with simultaneous force and angle measurement.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions

4. Fig 3 Photos of (A) the Biodex measurement and (B) HHD measurement.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions

5. Fig 4
Three profiles of the mechanical arm measured with (A) the HHD and (B) the Biodex.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions

6. Fig 5
Angle versus time graphs showing repeated measurements for (A) the HHD on profile A, (B) on profile B, (C) on profile C, and (D) the Biodex measurement with speed setting at 60°/s on profile B.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions

7. Fig 6
LOA plots for (A) peak torque, (B) angle of peak torque, (C) start ROM, and (D) end ROM. Circles represent the measured difference between the 2 devices for the 3 profiles. The solid line represents the mean difference between the 2 devices; the dashed lines represent the lower and upper LOA.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions