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Normative data for modified Box and Blocks test measuring upper-limb function via motion capture

This study establishes normative kinematics for the modified Box and Blocks test, analyzing upper-limb and trunk function in nondisabled participants. Results show consistent trajectories with slight standing-seated performance differences. The motion capture procedure can enhance understanding of movement in upper-limb impairment and interventions for improvement.

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Normative data for modified Box and Blocks test measuring upper-limb function via motion capture

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  1. Normative data for modified Box and Blocks test measuring upper-limb function via motion capture Jacqueline S. Hebert, MD, FRCPC; Justin Lewicke, MBA, BSc; Thomas R. Williams, PhD, Peng; Albert H. Vette, PhD

  2. Aim • Establish normative kinematics for modified Box and Blocks test by collecting data on nondisabled participants. • Relevance • Motion analysis is an important tool for examining upper-limb function.

  3. Method • Analyzed 4 motions of modified Box and Blocks test to establish kinematic data for upper-limb and trunk function. • n = 16 nondisabled participants. • Repeated test for right and left arms in seated and standing positions. • Compared data using nonparametric Friedman test.

  4. Results • No differences between right- and left-hand performance other than for work completion time. • Small but significance differences for standing and seated performance. • Slightly greater ranges in standing for axial trunk rotation, medial-lateral sternum displacement, and anterior-posterior hand displacement. • Very consistent kinematic trajectories.

  5. Conclusion • Consistency in nondisabled data suggests that normative kinematic trajectories can be defined for this task. • Motion capture procedure may: • Add to understanding of movement in upper-limb impairment. • Be useful for measuring effect of interventions to improve upper-limb function.

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