Foot Tapping Test

NewsBot · Aug 23, 2021

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An evaluation of the reliability of the foot-tapping test in a healthy sample
Brian A Pribble et al
Foot (Edinb). 2021 Jul 12

The foot-tapping test (FTT) can be used to assess upper motor neuron dysfunction in clinical populations. However, relatively little is known regarding the reliability or normative values of the FTT in either healthy or clinical populations. Although several different FTT methods have been used, no study to date has demonstrated the reliability or validity of FTT by comparing it across several different counting methods in healthy persons. This unfortunately limits its usefulness in medicine and research.

Objective: This study sought to examine the reliability and validity of the FTT in healthy individuals to determine its usefulness and to make recommendations for its implementation in clinical populations. Furthermore, the concurrent validity and reliability of using a force plate as an objective measure of foot-taps was considered.

Design: Thirty-eight healthy individuals had their foot-tapping assessed using Live, Force Plate, and Video Counting methods over four separate visits.

Methods: Participants were seated as per previous FTT recommendations and asked to tap their foot in 10-second intervals while the number of taps was counted via Live, Video, and Force Plate counters. This was done with both legs, with shoes ON and OFF, and repeated over four separate visits.

Results: Despite significant differences between repeat trials for Force Plate and Video Counts (∼2 foot-taps, p < 0.01), test-retest reliability was high for all three methods (Pearson's R > 0.90). Dominant foot trials were higher (∼2 foot-taps, p < 0.05) than Non-dominant for all three counts. When performed with shoes ON, counts were higher (∼2 foot-taps, p < 0.05) than OFF for the Live and Force Plate counts. Reliability between visits was high (ICC > 0.80) and only the Video count was significantly lower for Visit 1 (p < 0.01).

Conclusions: Given findings, the authors suggest using a Force Plate counting method and have compiled a list of suggestions for future implementation of the FTT.
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NewsBot · Sep 11, 2021

Foot Tapping Test as Part of Routine Neurologic Examination in Degenerative Compression Myelopathies: A Significant Correlation between 10-sec Foot-tapping Speed and 30-m Walking Speed
Hayato Enoki, Toshikazu Tani, and Kenji Ishida
Spine Surg Relat Res. 2019; 3(3): 207–213.

Introduction
Leg spasticity in degenerative compression myelopathy causes impairment of fast and rapid repetitive movements, which tends to appear despite the disproportionate paucity of clinical weakness. As clinically useful measures used to quantify the slowness of voluntary leg movements in this pathological condition, we compared the foot tapping test (FTT) with the simple walking test, which is now considered the gold standard in this field.

Methods
We compared the FTT with the simple walking test, the grip-and-release test, and the functional scales of Nurick and the Japanese Orthopedic Association (JOA) in 77 patients with cervical compression myelopathy and 56 age-matched healthy subjects. The FTT was conducted on both sides separately, and the subject, while being seated on a chair, moved his/her toes up and down repeatedly to tap the floor as fast and as vigorously as possible for 10 sec with his/her heels planted on the floor.

Results
The number of 10-sec foot tapping in the patient group significantly correlated with the Nurick grades (r = −0.566; P < 0.0001), the JOA scores (r = 0.520; P < 0.0001), and the grip-and-release rates (r = 0.609; P < 0.0001). It also significantly correlated with the 30-m walking time (r = −0.507; P < 0.0001) and the number of steps taken (r = −0.494; P < 0.0001). Assessments of wheelchair-dependent patients and side-to-side comparison, in which the simple walking test plays no role, revealed significantly fewer FTT taps in wheelchair-bound patients than in the ambulatory patients and a significant trend for cervical compression myelopathy to dominantly affect the upper and lower limbs on the same side.

Conclusions
This study contributes to the reassessment of the currently underutilized FTT as part of a routine neurologic examination of degenerative compression myelopathy.
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NewsBot · Sep 11, 2021

Simple Foot Tapping Test as a Quantitative Objective Assessment of Cervical Myelopathy
Numasawa, Takuya et al
Spine: January 15, 2012 - Volume 37 - Issue 2 - p 108-113

Study Design.
A clinical and cohort study.

Objective.
The first purpose of this study was to investigate the standard value of a simple foot tapping test (FTT) in a large healthy population. The second purpose was to elucidate the validity of FTT as a quantitative assessment of lower extremity motor function for cervical compressive myelopathy.

Summary of Background Data.
Several clinical performance tests have been reported as objective assessments for the severity of cervical myelopathy. The FTT is the simplest and easiest method for a quantitative analysis of lower limb motor dysfunction in the upper motor neuron diseases. However, there were few studies about the FTT in cervical myelopathy.

Methods.
We recruited 252 patients who were diagnosed with cervical myelopathy and 792 healthy volunteers who participated in a health promotion project. Among the patients, 126 who underwent surgery were evaluated both before and 1 year after surgery. We performed the FTT and grip and release test and evaluated the modified Japanese Orthopaedic Association (JOA) score for cervical myelopathy.

Results.
The mean value of FTT was 23.8 ± 7.2 in myelopathic patients, which was significantly lower than 31.7 ± 6.4 in healthy controls and decreased with age. The value of FTT significantly correlated with the lower extremity motor function of modified JOA score and the value of grip and release test. Among the patients who underwent surgery, the average value of FTT was 22.4 ± 7.0 preoperatively and improved to 28.4 ± 8.1 at 1 year postoperatively. Postoperative gain of FTT significantly correlated with the gain of JOA score.

Conclusion.
The FTT results correlated with those of other tests for cervical myelopathy, and the FTT scores were improved by surgery. The FTT is an easy and useful quantitative assessment method for lower extremity motor function in patients with cervical myelopathy, especially those who cannot walk.
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