Plantar fascia thickness

NewsBot · Dec 6, 2014

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Plantar Fascia Coronal Length: A New Parameter for Plantar Fascia Assessment
Ahmet Sinan Sari, MD, Emre Demircay, MD, Gokhan Cakmak, MD, M. Sukru Sahin, MD, I. Cengiz Tuncay, MD, Suleyman Altun, MD
The Journal of Foot and Ankle Surgery; Articles in Press

The effects of gender and various anthropometric variables were previously reported as significant predictors of plantar fascia thickness. Although a strong correlation between either the body weight or body mass index (BMI) and plantar fascia thickness were not demonstrated, a moderate relation was stated. We retrospectively investigated the role of gender, height, weight, and body mass index on plantar fascia thickness at the calcaneal origin (PFCO) and 1 cm distal from the calcaneal origin (PF1cm) and the coronal length of the plantar fascia at the calcaneal origin (CLPF) in healthy subjects. The PFCO, PF1cm, and CLPF were retrospectively measured from magnetic resonance images of 100 healthy subjects. The gender, height, weight, and body mass index of the participants were also noted. Gender was a predictive factor for the length of the CLPF. The subjects with a BMI >25 kg/m2 had a significantly greater PFCO, PF1cm, and CLPF. Height was mildly and BMI and weight were moderately related to the PFCO. However the CLPF showed a better correlation with height, BMI, and weight than that of plantar fascia thickness. CLPF better reflected the role of weight, BMI, and height than its thickness. It is a new parameter that could be valuable in the evaluation of plantar fascia disorders.
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Admin2 · Dec 6, 2014

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NewsBot · Feb 16, 2015

Detection of Normal Plantar Fascia Thickness in Adults via the Ultrasonographic Method.
Kadir Abul, Devrim Ozer, Secil Sezgin Sakizlioglu, Abdul Fettah Buyuk, and Mehmet Akif Kaygusuz
Journal of the American Podiatric Medical Association: January 2015, Vol. 105, No. 1, pp. 8-13.

Background: Heel pain is a prevalent concern in orthopedic clinics, and there are numerous pathologic abnormalities that can cause heel pain. Plantar fasciitis is the most common cause of heel pain, and the plantar fascia thickens in this process. It has been found that thickening to greater than 4 mm in ultrasonographic measurements can be accepted as meaningful in diagnoses. Herein, we aimed to measure normal plantar fascia thickness in adults using ultrasonography.

Methods: We used ultrasonography to measure the plantar fascia thickness of 156 healthy adults in both feet between April 1, 2011, and June 30, 2011. These adults had no previous heel pain. The 156 participants comprised 88 women (56.4%) and 68 men (43.6%) (mean age, 37.9 years; range, 18–65 years). The weight, height, and body mass index of the participants were recorded, and statistical analyses were conducted.

Results: The mean ± SD (range) plantar fascia thickness measurements for subgroups of the sample were as follows: 3.284 ± 0.56 mm (2.4–5.1 mm) for male right feet, 3.3 ± 0.55 mm (2.5–5.0 mm) for male left feet, 2.842 ± 0.42 mm (1.8–4.1 mm) for female right feet, and 2.8 ± 0.44 mm (1.8–4.3 mm) for female left feet. The overall mean ± SD (range) thickness for the right foot was 3.035 ± 0.53 mm (1.8–5.1 mm) and for the left foot was 3.053 ± 0.54 mm (1.8–5.0 mm). There was a statistically significant and positive correlation between plantar fascia thickness and participant age, weight, height, and body mass index.

Conclusions: The plantar fascia thickness of adults without heel pain was measured to be less than 4 mm in most participants (~92%). There was no statistically
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NewsBot · Dec 9, 2020

Reliability in ultrasound measurements of plantar aponeurosis thickness
Eduarda Heydt Heinen et al
Foot (Edinb). 2020 Nov 17

Purpose: Given the increasing research interest in ultrasound plantar aponeurosis (PA) thickness measurements, this study aimed to analyze the inter and intra-rater reliability of independent sonograms and to identify the error related to the image analysis procedure.

Methods: Twenty-one healthy men participated in this study. Imaging of PA consisted of two independent sonograms per subject. Two raters (R1 and R2) evaluated each sonogram twice using standardized steps. Precision of the image analysis procedure was analyzed using the Bland and Altman plot and Intraclass Correlation Coefficient (ICC). Agreement estimates and ICC were used to assess absolute and relative inter and intra-rater reliability.

Results: Reliability of PA thickness was found to depend strongly on the number of images acquired per subject. Intra-rater agreement for single measurements were 0.696 (R1) and 0.495 (R2), whereas average measurements yielded values of 0.821 (R1) and 0.662 (R2), respectively. Precision within a sonogram varied from ICC values of 0.873 to 0.960 (intra-rater) and 0.670 to 0.822 (inter-rater).

Conclusion: Most part of the error in PA thickness measurements seems to be related to the sonogram acquisition process and not to the visual inspection of the image. To minimize error, average values of a minimum of two images per subject should be used. The moderate agreement between raters found in this study ratifies the need of all measurements being made by the same rater or group of raters. If a single rater evaluates all subjects, performing multiple measurements over one image does not seem to affect ICC as much as acquiring multiple images.
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