Responsiveness And Minimal Clinically Important Difference Of Navicular Height Drop Test With Plantar Fasciitis

Plantar fasciitis is a common musculoskeletal condition characterized by heel pain and impaired foot function, often linked to abnormal foot biomechanics. The Navicular Height Drop (NHD) test is a non-invasive tool used to assess dynamic foot posture by measuring changes in the medial longitudinal arch. Evaluating the test's responsiveness and minimal clinically important difference (MCID) can help determine its clinical relevance in monitoring treatment outcomes. Study objective to evaluate the responsiveness and determine the minimal clinically important difference (MCID) of the Navicular Height Drop (NHD) test in patients with plantar fasciitis.

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Key information

Conditions

Plantar Fascitis

Age range

25 year–60 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Omer Hospital & Cardiac Center

Lahore, Punjab Province, Pakistan

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Patients with a clinical diagnosis of Plantar Fasciitis confirmed by Orthopedic presence of heel pain, particularly at the plantar aspect of the heel, for more than 3 months.
Pain on palpation of the medial calcaneal tubercle.
Positive Windlass test.
Adults aged 25-60 years.
Patients should be able to perform the Navicular Drop Test without any other concurrent - lower limb pathology that might interfere with the test (e.g., Achilles tendonitis, knee osteoarthritis, etc.).

Exclusion criteria

Patients who have undergone any surgical intervention in the foot or ankle (e.g., plantar fascia release, foot fracture surgery).
Recent history (within 6 weeks) of acute foot or ankle injury (e.g., fractures, sprains).
Conditions such as rheumatoid arthritis, diabetes, neuropathy, peripheral vascular disease, or any neurological disorders affecting the lower limbs that could confound the results.
Patients with other foot conditions like flatfoot deformity, bunion deformity, Morton's neuroma, severe hallux valgus, or any other condition affecting foot biomechanics that might alter the Navicular Drop Test results.

Treatment and study plan

The Navicular Height Drop (NHD) test

Diagnostic Test

Evaluating the test's responsiveness and minimal clinically important difference (MCID) can help determine its clinical relevance in monitoring treatment outcomes.

Primary outcomes

Navicular Height Drop Test (NHDT)

Time frame: 12 Months

This test measures the change in the position of the navicular bone during weight-bearing, helping to assess foot arch collapse and the impact of abnormal foot biomechanics, which is crucial in conditions like plantar fasciitis
GLOBAL RATING OF CHANGE (GRC)

Time frame: 12 Months

The GRC scale is a simple tool where patients rate their overall improvement after treatment. It is often used to establish the MCID by comparing patients' subjective perceptions of improvement with changes in objective measures like NHDT. The responses are usually rated on a Likert-type scale, which might look like this:+7: Very Much Improved ,+6: Much Improved ,+5: Improved ,+4: Minimally Improved ,+3: No Change ,+2: Minimally Worse ,+1: Worse ,0: Very Much Worse(31).
Foot Function Index

Time frame: 12 Months

A self-reported questionnaire assessing pain, disability, and activity limitation in individuals with foot disorders, commonly used to assess the functional impact of plantar fasciitis.

Sponsors and collaborators

Lead sponsor

Superior University

Other

Registry information

Official study title

Responsiveness And Minimal Clinically Important Difference Of Navicular Height Drop Test In Patients With Plantar Fasciitis

Important dates

Study start: 2025
Primary completion: 2025
Study completion: 2026
First posted: Jul 9, 2025
Registry last updated: Jul 9, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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