Summary:
Purpose: Comparison of surgical techniques by evaluating functional capacities: power, strength, velocity and dynamic stability of knee extensor and flexor muscles after ACL re-construction. Material and Methods: a prospective study with a retrospective comparative cohort of 111 patients (mean age 30 years (14.4 - 49.7). Outcomes: 18 outcomes were conside-red. Objective outcomes were the difference of power, strength, velocity and dynamic stability. Subjective outcomes included Tegner activity scale, Lysholm score, KOS, KOS-SAS (Knee Outcome Survey-Sport Activities Score), Tampa scale-Q. Results: The BPTB group performed better in 14 of 18 observed outcomes. 6 were statistically significant (veloci-ty in quadriceps and hamstring, hamstring power-max, mean-power, Tegner score and KOS-SAS). No statistical difference in the stability capacities was shown between the both groups. The results were adjusted for age, gender, body-mass-index and follow-up time.Conclusions: The use of a BPTB autograft achieved better muscular and functional capacities than the HT autograft. Level of evidence II
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