smith hand function test

"Smith Hand Function Test: Easy & Accurate Assessment"

By Laura JohnsonApril 21, 2026

The Smith Hand Function Test, also known as the Smith Hand Assessment, is a reliable and widely used clinical tool designed to evaluate the functional abilities of the hand and wrist. Developed by Dr. John R. Smith in 1973, this test provides a comprehensive evaluation of hand function, taking into account strength, dexterity, range of motion, and coordination. In this article, we will delve into the intricacies of the Smith Hand Function Test, its components, administration, scoring, and its significance in clinical settings.

Understanding the Smith Hand Function Test

The Smith Hand Function Test is a performance-based assessment that simulates everyday activities. It consists of 12 individual tasks, each designed to challenge different aspects of hand function. The test is suitable for individuals of all ages and can be used to assess both dominant and non-dominant hands. It is particularly useful in evaluating the effectiveness of rehabilitation programs, monitoring progress, and making informed decisions about treatment plans.

Components of the Smith Hand Function Test

The Smith Hand Function Test assesses six key areas of hand function: grip, pinch, dexterity, range of motion, coordination, and strength. Each of the 12 tasks is assigned a specific point value, with a maximum score of 100. The tasks include:

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an image of the wrist and hand with instructions on how to use it in order to help

Picking up small objects (e.g., coins, buttons)
Turning keys
Picking up and moving large objects (e.g., cans, bottles)
Assembling objects (e.g., nuts and bolts)
Writing
Turning doorknobs
Lifting and moving heavy objects (e.g., suitcases)
Tying a bow
Picking up and manipulating large, irregular objects (e.g., a towel)
Picking up and moving light objects (e.g., paper clips)
Stacking checkers

Administering the Smith Hand Function Test

Administering the Smith Hand Function Test requires a standard set of equipment, including a stopwatch, various objects for manipulation, and a scoring sheet. The test is typically administered in a quiet, distraction-free environment. The examiner demonstrates each task, then allows the participant 30 seconds to complete it. The time taken to complete each task is recorded, and a score is calculated based on the time taken and the difficulty of the task.

Scoring the Smith Hand Function Test

Scoring the Smith Hand Function Test involves assigning a raw score to each task based on the time taken to complete it. The raw scores are then converted to a scaled score, which is used to calculate the overall test score. The scoring system is designed to penalize slower performance, with more difficult tasks carrying higher point values. A table of raw scores and their corresponding scaled scores is provided in the test manual to facilitate easy scoring.

a poster with different types of hands and their functions in hand manipulations

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Task	Raw Score (seconds)	Scaled Score
Picking up small objects	1-5	10-16
Turning keys	1-5	10-16
Picking up and moving large objects	1-5	10-16
Assembling objects	1-5	10-16
Writing	1-5	10-16
Turning doorknobs	1-5	10-16
Lifting and moving heavy objects	1-5	10-16
Tying a bow	1-5	10-16
Picking up and manipulating large, irregular objects	1-5	10-16
Picking up and moving light objects	1-5	10-16
Stacking checkers	1-5	10-16

The overall test score is calculated by summing the scaled scores for each task. A higher score indicates better hand function. The Smith Hand Function Test has been shown to have high reliability and validity, making it a valuable tool in clinical settings.

The Role of the Smith Hand Function Test in Clinical Settings

The Smith Hand Function Test plays a crucial role in clinical settings, particularly in the fields of occupational therapy, physical therapy, and hand surgery. It is used to:

Assess the functional abilities of the hand and wrist following injury, surgery, or disease
Monitor progress during rehabilitation programs
Evaluate the effectiveness of interventions and make data-driven decisions about treatment plans
Document functional outcomes and track patient progress over time
Compare functional abilities between the dominant and non-dominant hands
Identify areas of weakness or impairment that may require targeted intervention

By providing a comprehensive evaluation of hand function, the Smith Hand Function Test enables healthcare professionals to tailor treatments to the unique needs of each patient, ultimately enhancing patient outcomes and quality of life.

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four different hands with the words special movement of the thumb

In conclusion, the Smith Hand Function Test is a robust and versatile clinical tool that offers a wealth of information about hand function. Its wide-ranging applications and strong psychometric properties make it an invaluable asset in clinical settings. Whether you are a healthcare professional, a researcher, or an individual seeking to understand your own hand function, the Smith Hand Function Test offers a valuable window into the complex and fascinating world of hand function.