Drop Jump Performance Improves One Year Following Anterior Cruciate Ligament Reconstruction in Sportsmen Irrespectively of Psychological Patient Reported Outcomes

Claudio Legnani (), Matteo Del Re, Giuseppe M. Peretti, Vittorio Macchi, Enrico Borgo and Alberto Ventura
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Claudio Legnani: Sport Traumatology and Minimally Invasive Surgery Center, IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy
Matteo Del Re: IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy
Giuseppe M. Peretti: IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy
Vittorio Macchi: Sport Traumatology and Minimally Invasive Surgery Center, IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy
Enrico Borgo: Sport Traumatology and Minimally Invasive Surgery Center, IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy
Alberto Ventura: Sport Traumatology and Minimally Invasive Surgery Center, IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy

IJERPH, 2023, vol. 20, issue 6, 1-7

Abstract: Our study aims to prospectively report the functional outcomes of 31 sportsmen following anterior cruciate ligament (ACL) reconstruction, up to 12 months after surgery, with regards to subjective tests and drop jump performance, and to investigate the correlations between these variables, to be used for determining the return to sports after ACL reconstruction. Lysholm score, Tegner activity level, and the ACL–Return to Sport after Injury (ACL-RSI) scale were evaluated preoperatively, at 6 months, and at 12 months after surgery. Drop vertical jump was recorded using an infrared optical acquisition system. Lysholm and ACL-RSI scores significantly improved at the 12-month follow-up compared to the baseline and 6-month evaluations ( p < 0.001). Concerning Tegner activity level, no statistically significant differences were reported between pre- and post-operative status ( p = 0.179). Drop jump limb symmetry index significantly improved at 12 months, with the mean value improving from 76.6% (SD: 32,4) pre-operatively to 90.2% (SD: 14.7; p < 0.001) at follow-up. Scarce positive correlation was reported between the ability to perform drop jumps and activity level in athletes one year after ACL reconstruction. In addition, subjective knee score and psychological readiness were not related to jumping performance.

Keywords: knee; anterior cruciate ligament; ACL reconstruction; outcomes; psychological readiness; vertical jump; drop jump (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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