The study includes three assessments: one month after ligamentoplasty (inclusion visit) and then at M2 and M5. The therapeutic benefit of the study treatments is based on the evolution of the extension defect at M2.
Monocentric, prospective, randomised, double-blind study of two parallel groups of 66 patients with post-reconstruction ACL hamstring contracture treated with an ultrasound-guided injection at two points on the body of the hamstring~Group 1: botulinum toxin: 100 units (0.5ml) in 1 injection~Group 2: placebo: 0.5 ml in 1 injection