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Aim: This study was carried out to investigate the changes in muscle contraction parameters after very heavy exercise in professional football players with Tensiomyography, which is a non-invasive method. Method: Professional licensed football players in the A team of the team they play in the Turkish Super League (n = 11), whose age is 27.27 ± 1.55 years, weight is 74.82 ± 1.83kg, and height is 178.1 ± 1.76cm. participated. Tensiomyography measurements are bilateral m. The first measurement was taken from the rectus femoris muscle before heavy exercise (MET = 11) and the second measurement after it. In the measurements made, the muscle; Contraction time (Tc), maintenance time (Ts), relaxation time (Tr), displacement (Dm), lag time (Td) and contraction velocity (Vc) were evaluated. GraphPad Prism 9.0 program was used to analyze the data. Results: In the measurements made, a statistically significant decrease was observed in Dm, Td and Vc values in the right and left extremities compared to the 1st and 2nd measurements (p

Treatment of total ruptures of adductor longus is challenging in professional sports. Time for return to pre-injury level as well as re-injury rates are of concern and surgical and conservative treatment approaches are debated; yet no consensus approach described for professional athletes. We present a case of a professional soccer player who experienced a rupture in his left adductor longus proximal tendon during a game and was treated conservatively. This case was followed-up during clinical assessment, imaging and strength testing until and after return to play. Primary outcome measure was the return to standard play condition at his pre-injury level without any functional deficits, measured by isokinetic testing. Second outcome measure was the recurrence. No recurrence was observed during the first year of follow-up. Total ruptures are very challenging for both the physician and the player to make a quick decision due to minimal or lack of pain. Functional outcomes are almost identical although operative treatments need longer time to return to play. This case report adds another example to the literature of a successful return to play after non-operative treatment of adductor longus rupture at elite level soccer.