• Catarina Clapis Zordão, Aline Gobbi, André Timóteo Sapalo, Gabriela de Carvalho, GuirroRinaldo Roberto de JesusRRJhttp://orcid.org/0000-0001-7491-3388Universidade de São Paulo, Medical School of Ribeirão Preto, Department of Health Sciences, Postgraduate Program in Rehabilitation and Functional Performance - Ribeirão Preto (SP), Brazi, and GuirroElaine Caldeira de OliveiraECOhttp://orcid.org/0000-0002-1045-8053Universidade de São Paulo, Medical School of Ribeirão Preto, Department of Health Sciences, Postgraduate Program in Rehabilitation and Functional Performance - Ribeirão Preto (SP), Br.
• Universidade de São Paulo, Ribeirão Preto Medical School, Department of Health Sciences - Ribeirão Preto (SP), Brazil.
• Rev Assoc Med Bras (1992). 2022 Mar 1; 68 (3): 356-361.

ObjectiveThe aim of this study was to evaluate the relationship between the range of motion and lower-limb hemodynamic indices in the tibiotarsal joint of individuals with diabetic neuropathy.MethodsTwenty volunteers of both sexes, with a mean age of 61.45±7.05 years, were diagnosed with type 2 diabetes mellitus and diabetic peripheral neuropathy. Arterial blood flow was assessed using Doppler ultrasound, and the variables such as average velocity, pulsatility index, and resistivity index were also evaluated. A range of dorsiflexion and plantar flexion joint movements were assessed using digital goniometry before and after exercise. Data distribution was assessed using the Shapiro-Wilk test, followed by Pearson's correlation for normal data and Spearman's correlation for non-normal data, in order to verify the association between variables.ResultsA moderate correlation was found between dorsiflexion and pulse rate on two occasions before (rs=0.497) and after initial evaluation (rs=0.511). A low correlation was found between plantar flexion and mean velocity (rs=-0.357), pulsatility index (rs=0.439), and resistivity index (rs=0.328); dorsiflexion and mean velocity (rs=0.374), pulse rate (rs=0.332), and resistance index (rs=0.327) before evaluation, and peak (rs=0.346) was observed after the evaluation of blood circulation.ConclusionThere is a correlation between the range of motion of the tibiotarsal joint and the blood circulation of diabetics, ranging from moderate to poor for the different variables evaluated.

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