Supplementary Materials for the Study: Immediate Effects of Electrically Stimulated Muscle Stretching on Hamstring Flexibility and Jump Performance in Adolescent Football Players: A Randomised Controlled Trial

This repository contains the supplementary materials associated with the clinical trial entitled "Immediate Effects of Electrically Stimulated Muscle Stretching on Hamstring Flexibility and Jump Performance in Adolescent Football Players: A Randomised Controlled Trial." The repository includes the Participant Information Sheet, Informed Consent Form, Intervention Protocol, Data Collection Templates, the anonymised dataset used for statistical analysis, the results of the statistical analyses, and the SPSS syntax (code) employed in the study. These materials are provided in compliance with journal data transparency and reproducibility standards, and are intended to support open scientific collaboration, ethical compliance, and methodological rigour.