IRCT20240306061185N7 IRCT 2026-06-09 The University of Shahid Beheshti Stretching Effects on Child Pronated Ankles The Effect of Six Weeks of Ankle-Stretching Exercises on Achilles Tendon Stiffness, Anterior Knee Pain, Genu Recurvatum, Stride Length and Walking Speed in Children with Ankle pronation 2026-06-22 anticipated 40 Pending https://irct.ir/trial/90362 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: In this study, simple randomization method is used and the randomization unit is "individual". Random sequence is generated in Excel software using RAND function and MOD ROW function is used for grouping. In order to observe allocation concealment, each individual's allocation code is placed in illegible and sealed envelopes after being determined in Excel. N/A Condition 1: Anterior knee pain. Condition 2: Ankle pronation. Condition 3: Genu recurvatum. Condition 4: Achilles tendon stiffness. Intervention 1: Intervention group: Consisted of twenty children who performed a static stretching exercise protocol targeting the gastrocnemius and soleus muscles of the ankle. The program included five static stretching exercises, performed in five sets, with a holding duration of fifteen to sixty seconds and one minute of rest between sets. The exercises were conducted for six weeks, with a frequency of three sessions per week and a duration of forty minutes per session, under the direct supervision of the researcher in the sports hall. Intervention 2: Control group: During the research period, there will be no intervention in the control group and they will continue with their usual exercises. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no further information