Timed Motor Test (TMT)

  • Assesses the capacity to perform ADL in children with SCI (who use a manual wheelchair).
  • Tasks include: donning a shirt; donning sweat pants; performance of even transfers; performance of uneven transfers (4 inch height difference); wheelchair propulsion on even surfaces; and wheelchair performance up a ramp (Chafetz et al. 2004).

Number of items: 6

Procedure/Administration: The individual completes each task 5 times, except for wheelchair skills which is only done 3 times. They are instructed to complete the task quickly but safely. If they are unsuccessful in completing the task, they can re-try it and if they are not able to complete all 5 trials then no time is reported. If the individual requires more than 20 seconds to complete the task then it is considered “incomplete”. 

How scored: A clinician records the time (seconds) to complete each task. Based on the results of the reliability data it was decided to use the fastest 3 trials for scoring each task.

Interpretability: No norms are available and the results for the 3 fastest trials for each task were not reported.

Acceptability: N/a

Languages: N/a

Usability: N/a

Time to administer: The scale takes between 60–90 minutes to complete.

Time to score: N/a

Training required: No special training is required.

Availability: N/a

Equipment required: Anadjustable mat; an 80 foot (24.3 m) corridor; and a 45 foot (13.72 m) ramp with an 8 degree angle.  

Summary:

  • The TMT includes common ADL tasks for children with SCI.
  • The objective scale such as time (seconds) is useful to detect change.

Psychometric Summary:

Reliability

Validity

Responsiveness

Results

Results

Results

Floor/ceiling

TR: Yellow light*

Inter/Intra O: Green light

Construct: Yellow light**

N/a

N/a

Note: TR= Test re-test; IC= Internal Consistency; Inter-O= Inter-observer; Intra-O= Intra-observer; SS= Sensitivity/Specificity; N/a= No information.

Red light= A single study involving SCI subjects which has less than adequate findings of reliability, validity, and/or responsiveness.

Yellow light= A single study involving subjects with SCI which has adequate to excellent findings of reliability, validity, and/or responsiveness.

Green light= At least 2 studies involving subjects with SCI which have adequate to excellent findings of reliability, validity, and/or responsiveness.

* TR values for each of the 6 tasks were >0.75 for 4 tasks, 0.67 for one task and 0.30 for one task. An overall value of adequate (++) was selected to best represent the range of values.
** There is support for construct validity by using the data comparing known groups (TLSO versus no brace). F values were reported and 5 out of 6 tasks demonstrated that the TLSO times were significantly (p<0.05) compared to no brace.

 A copy of this tool could not be found.

References

  • Chafetz R, McDonald C, Mulcahey MJ, Betz R, Anderson C, Vogel L, Gaughan JP, Martin S, O'Dell MA, Flanagan A. Timed motor test for wheelchair users: initial development and application in children with spinal cord injury. J SCI Med 2004;27:S38-43.