Timed Motor Test (TMT)

Download Clinical Summary PDF

Tool Description

  • Assesses the capacity to perform ADL in children with SCI who use a manual wheelchair.
  • Tasks include:
    1) Donning a shirt
    2) Donning sweat pants
    3) Performance of even transfers
    4) Performance of uneven transfers (4 inch height difference)
    5) Wheelchair propulsion on even surfaces
    6) Wheelchair performance up a ramp.

ICF Domain:

Activity – subcategory: Mobility.

Number of Items:

6

Brief Instructions for Administration & Scoring

Administration:

  • Clinician-administered; performance-based measure.
  • 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 retry 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”.
  • Administration time is usually 60-90 minutes (time is required for instruction and rest times are given between trials).

Equipment:

  • An adjustable mat (dimensions not specified)
  • An 80 foot (24.3 m) corridor
  • A 45 foot (13.72 m) ramp with an 8 degree angle.

Scoring:

  • Time (seconds) to complete each task is recorded.
  • Based on the results of the reliability data it was decided to use the mean score of the fastest 3 trials for scoring each task.

Interpretability

MCID: not established for SCI
SEM: not established for SCI
MDC: not established for SCI

  • More time required to complete each task indicates a lower capacity to perform ADL
  • No norms or meaningful cut-points have been established for the SCI population.

Languages:

n/a

Training Required:

No special training is required.

Availability:

Unable to locate the scale for use at this time; contact the author, Ross Chafetz, at [email protected]

Clinical Considerations

  • The TMT includes common ADL tasks for children with SCI.
  • The objective scale (time in seconds) is useful to detect change.
  • The client/clinician burden in completing the test is considerable

Measurement Property Summary

# of studies reporting psychometric properties: 1

Reliability:

  • Test-retest reliability of the TMT items ranges from Low to High (ICC=0.30 – donning pants to ICC=0.92 – wheelchair propulsion down the hall).
  • For videotaped sessions, intra-rater reliability ranges from Moderate to High (ICC=0.73 – 0.95) as does inter-rater reliability (ICC=0.71-0.95).

[Chafetz et al. 2004]

Validity:

  • Groups with and without thoracolumbosacral orthoses have significantly different TMT scores for 5 of 6 items (all but ‘Propelling Up a Ramp’).

[Chafetz et al. 2004]

Responsiveness:

No values were reported for the responsiveness of the TMT for the SCI population.

Floor/ceiling effect:

No values were reported for the presence of floor/ceiling effects in the TMT for the SCI population.

Reviewer

Dr. William Miller, Matthew Querée

Date Last Updated:

Feb 1, 2017

Download the measure

Download Worksheet:
Unable to locate the scale for use at this time; contact the author, Ross Chafetz, at [email protected]

Video

n/a

Scoring

n/a

Equipment Needed

  • An adjustable mat (dimensions not specified)
  • An 80 foot (24.3 m) corridor
  • A 45 foot (13.72 m) ramp with an 8 degree angle.

TMT:

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.
http://www.ncbi.nlm.nih.gov/pubmed/15503701