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Related Experiment Video

Updated: Apr 12, 2026

Author Spotlight: Enhancing Upper Limb Rehabilitation in Stroke Patients Through Advanced Robotic and Neuromodulation Technologies

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Published on: October 11, 2024

Measuring task performance after acquired brain injury: Construct and concurrent validity of 'Upper Limb Performance

Hannah Louise Holman Barden^1,2, Ian James Baguley^1,3, Melissa Therese Nott^1,4

¹a Brain Injury Rehabilitation Service, Westmead Hospital , Australia.

|May 22, 2015

Summary

The Upper Limb Performance Analysis (ULPA-TPM) shows good validity for assessing upper limb function in adults with acquired brain injury. This tool effectively differentiates between individuals with and without brain injury and those receiving spasticity treatment.

Keywords:

Botulinum Toxin-A spasticity stroke adult traumatic brain injury upper limb

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Area of Science:

Neuroscience
Rehabilitation Medicine
Clinical Assessment

Background:

Acquired brain injury (ABI) often results in upper limb (UL) motor impairments.
Accurate assessment of UL function is crucial for effective rehabilitation following ABI.
The Upper Limb Performance Analysis (ULPA) is an occupation-based measure designed to evaluate UL function.

Purpose of the Study:

To investigate the validity of the ULPA-Task Performance Mastery (ULPA-TPM) in adults with ABI.
To determine the construct and concurrent validity of the ULPA-TPM.

Main Methods:

The ULPA-TPM was administered to 35 adults with ABI and 26 healthy controls.
Group discrimination was used to assess construct validity by comparing individuals with and without ABI, and ABI participants who received botulinum toxin-A injections for spasticity versus those who did not.
Concurrent validity was examined by correlating ULPA scores with the Action Research Arm Test (ARAT) using Spearman's rank-order correlation.

Main Results:

Significant differences in UL performance were found between the ABI and control groups across all ULPA sub-scales (Omission, Accuracy, Repetition, Timing).
Individuals receiving botulinum toxin-A injections demonstrated more task performance errors in Accuracy, Repetition, and Timing compared to the non-injected group.
Spearman's rank-order correlations indicated significant relationships between ULPA sub-scales and the ARAT, supporting concurrent validity.

Conclusions:

The ULPA-TPM demonstrated good construct validity, effectively differentiating between individuals with and without ABI.
The study confirmed good concurrent validity of the ULPA-TPM through its correlation with the ARAT.
The ULPA-TPM is a valid measure for assessing upper limb functional performance in adults with ABI.