Nine Hole Peg Test [NHPT-9]

Description

The Nine Hole Peg Test (NHPT-9) is a brief, objective assessment used to evaluate fine motor performance, manual dexterity, and movement speed of the upper extremity and hand.

During the test, the individual is instructed to pick up nine pegs, one at a time, place them into the corresponding holes on a board, and then remove them and return them to the container. Performance is primarily assessed by recording the time required to complete the entire task.

Aim

The primary aim of the NHPT-9 is to provide a quantitative assessment of fine motor function and hand dexterity.

The test can be used to identify motor limitations, monitor changes in upper-extremity function over time, and evaluate functional improvement following therapeutic or rehabilitation interventions.

Administration Procedure

During administration, the individual uses only the hand being assessed. Each peg must be picked up separately and placed into one of the nine holes.

After all nine pegs have been inserted, they are removed individually and returned to the container. The participant should perform the task as quickly as possible.

The individual is not allowed to pick up several pegs simultaneously; the procedure must be completed one peg at a time.

Scoring

The principal outcome measure of the NHPT-9 is the time required to complete the task.

A shorter completion time generally reflects better manual dexterity and faster fine motor performance, whereas a longer completion time may indicate reduced dexterity, impaired coordination, or limitations in upper-extremity function.

Interpretation should take into account appropriate normative values and the demographic and clinical characteristics of the individual being assessed.

Target Population

According to the available source material, the NHPT is mainly intended for adults and older adults.

It may be used in individuals with conditions that affect upper-extremity motor function, particularly neurological and musculoskeletal disorders.

Type of Instrument

The NHPT-9 is classified as an instrument-based performance test, rather than a self-report questionnaire.

The source material associates the instrument with the assessment of activities and specifically identifies the upper extremity as the relevant body region.

Clinical Applications

The NHPT-9 can be used in physiotherapy, occupational therapy, neurological rehabilitation, musculoskeletal rehabilitation, and functional assessment.

According to the source material, it is relevant to conditions affecting the musculoskeletal system and the nervous system, where fine motor control and hand dexterity may be impaired.

Repeated administration may help clinicians monitor functional change and evaluate response to rehabilitation or therapeutic interventions.

Research Applications

Because the NHPT-9 provides an objective measure based on completion time, it can also be useful in research investigating manual dexterity, fine motor performance, upper-extremity function, and motor rehabilitation.

Its standardized and relatively simple procedure facilitates comparisons between groups, between the dominant and non-dominant hands, and across different assessment time points.

Conclusions

The Nine Hole Peg Test [NHPT-9] is a brief, practical, and objective performance measure for assessing fine motor function and manual dexterity.

By recording the time required to insert and remove nine pegs, the test provides a clear indicator of upper-extremity motor performance and can be applied in both clinical practice and research.

References

Kellor, M., Frost, J., Silberberg, N., Iversen, I., & Cummings, R. (1971). Nine Hole Peg Test.