Ever found yourself struggling to grasp a pen, button a shirt, or turn a key? These everyday tasks rely heavily on the intricate functions of your hands. The Hand Function Sort Test, also known as the Box and Block Test, is a simple yet powerful tool used by occupational therapists to assess and understand these functions. Let's delve into the details of this test, its significance, and how it's conducted.
Understanding the Hand Function Sort Test
The Hand Function Sort Test, developed by Mathiowetz et al., evaluates the quality of hand function by measuring the speed and dexterity of your hands. It's a reliable and valid test, widely used in clinical settings to diagnose, treat, and evaluate the effectiveness of interventions for hand function.
What Does the Test Measure?
- Manual Dexterity: The test measures your ability to manipulate objects with your hands.
- Hand Strength: It assesses the power and control of your grip and hand muscles.
- Fine Motor Skills: The test evaluates your ability to perform precise, coordinated movements with your hands and fingers.
How the Hand Function Sort Test is Conducted
The test uses a specially designed box with a grid of 250 blocks, each measuring 2.5 cm x 2.5 cm x 1.9 cm. The test is conducted in two parts: one for the dominant hand and one for the non-dominant hand.

Part 1: Unimanual Task
In this part, you'll pick up and place as many blocks as possible into the box using one hand within a set time limit (usually 60 seconds). The number of blocks moved is recorded.
Part 2: Bimanual Task
In this part, you'll pick up and place as many blocks as possible into the box using both hands within the same time limit. The number of blocks moved is again recorded.
Interpreting the Results
The results of the Hand Function Sort Test are typically expressed as the number of blocks moved in each part of the test. These scores can be compared to normative data to determine if your hand function is within normal limits, or if there are any impairments.

Occupational therapists may also use the test to track your progress over time, helping to identify improvements in hand function following treatment or rehabilitation.
When is the Hand Function Sort Test Used?
The Hand Function Sort Test is used in a variety of settings, including:
- Diagnosing and assessing hand function in individuals with neurological, musculoskeletal, or other health conditions.
- Evaluating the effectiveness of treatments or interventions aimed at improving hand function.
- Monitoring progress and setting goals for rehabilitation or therapy.
- Research studies investigating hand function and its relationship to other aspects of health and well-being.
In essence, the Hand Function Sort Test is a valuable tool that helps occupational therapists understand and enhance your hand function, enabling you to perform daily tasks with greater ease and independence.























