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Assessment Tools: Box and Block Test of Manual Dexterity (BBT)

The assessment tool collection encompasses all assessments that are used in medical rehabilitation with a primary focus on physical therapy and occupational therapy.

Box and Block Test of Manual Dexterity (BBT)

CINAHL and PubMed searches on the reliability and validity for the Box and Block Test of Manual Dexterity (BBT). Click on the database link to run the search.

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Box and Block Test of Manual Dexterity (BBT)

Author: Ayres, J.A., Holser Buehler, P.

Summary:  This is a perfomance-based test of unilateral gross manual dexterity. Individuals move, one at a time, the maximum number of blocks from one compartment of a box to another of equal size, within 60 seconds.  

Format:  Standardized motor performance tasks  

Library Record:  Call # BF 432.5 B57 B788b (Reserve Desk)

Population:  Individuals of different ages with upper extremity disabilities  

Completion time:    60 seconds for the test, and 5 minutes to administer


  • Block wood: 2.5 cm cube (150 pieces)
  • Two equal size boxes to hold the blocks with a 15 cm high partition separating each box
  • Stop watch

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Use Policy

The Neil John Maclean Health Sciences Library will provide assessment tools and outcome measures for loan to faculty, students and staff of the Winnipeg Regional Health Authority (WRHA) with a valid University of Manitoba (U of M) Library ID. If you qualify to borrow a tool you will need to fill out and present this form to the NJMHSL Circulation staff.


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Loans to Therapists not Affiliated with the U of M or WRHA

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