Introduction. Proximal ruptures of hamstrings are rare. Their evolution in absence of surgery is relatively unknown. We aimed to describe the evolution of patients with non-operated proximal hamstring ruptures, in terms of strength recovery, self-satisfaction and return to sport.
Methods. We included retrospectively 16 patients addressed for isokinetic strength evaluation of the hamstrings after non-operated unilateral proximal rupture. Isokinetic strength assessment was performed between 4 and 100 months after injury and subjective scores were performed at the last follow-up. The concentric evaluation was performed with 3 repetitions at 60°/s followed by 5 repetitions at 180°/s. The eccentric mode was evaluated by 5 repetitions at 60°/s followed by 5 repetitions at 120°/s.
Results. All the patients went back to sport, with a mean time of 7.0 +/- 2.9 months, to the same level of practice or to a lower level. The Tegner score was decreased from 6.9 +/- 1.7 to 6.1 +/- 1.9 (p = 0.03). Fifteen patients were very satisfied or satisfied and subjective scores were high. Four months after the injury, the concentric strength deficit was 40% +/- 25 and decrease to 25% +/- 12 at 2 years. Yet, eccentric deficit persisted in time.
Conclusion. Subjective results were good despite a persistence of an isokinetic strength deficit.
Evolution of isokinetic strength and return to sport after proximal hamstring rupture without surgical repair: a retrospective series of cases
A. Fouasson-Chailloux, P. Menu, O. Mesland, Y. Guillodo, V. Crenn, M. Dauty
Original Article, 173-180
Keywords: eccentric, hamstring, isokinetic, muscle, Non-operative, sport,
Table of Content: Vol.9 (No.2) 2019 April/June
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Retraction
Retraction, 304