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Wingate-based shuttle run test and limb symmetry index (back to activity algorithm) as the basis for a function-based rehabilitation of a young soccer player with torn ligament injury of the left ankle due to inversion trauma

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A paradigm shift is taking place in the treatment of athletes: time-based post-treatment are increasingly being replaced by function-based concepts. The affected tissue plays an important role, as the healing of a muscle is different in time than the healing of ligaments or bones. Instead of immobilization the affected joint after a ligament injury, it has now been discovered that healing ligaments are dramatically affected by the presence or absence of joint movements. Early, controlled resumption of activity after injury, including repeated strain on injured soft tissue structures such as ligaments and tendons, has profoundly positive effects. Method: Based on the above-mentioned findings, a female footballer was treated using a practical and function-oriented treatment protocol. The selected and proven functionbased treatment concept was the ‘’back-to-activity-algorithms’’ concept, which was used in the rehabilitation of a twenty-year-old footballer who had injured her ankle ligaments after inversion trauma. The performance level of the non-injured limb or the performance level of the affected limb from the immediate pre-injury period, insofar as known / present, serves as the desired performance and is represented as the Limb Symmetry Index, ((LSI) = current level divided by target level) in a number. Results: Being injured on april 4th 2021, the rehabilitation program started 5 days later. LSI Level I was reached on 29th of April. LSI Level IV on 10th of May. One day later the training with the team was resumed, on May 29 the player played for 45 minutes during a match.


ligament injury, rehabilitation, young soccer player, limb symmetry