Authors
Aaron J Krych, Adam J Tagliero
Published in
Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association. Sep 06, 2026. Epub Sep 06, 2026.
Abstract
Medial meniscus posterior root repair improves symptoms and function, but repair alone does not normalize gait. In the referenced study, patients who underwent repair achieved an acceptable symptom state more often than those with an unrepaired tear (71.4%-81.0% vs 10.5%-26.3%). Gait mechanics moved toward normal but did not reach it: compared with controls, the tear group differed significantly in midstance knee extension and terminal-stance knee adduction moment, with the repair group falling at an intermediate level. Varus thrust and reduced internal rotation persisted in both groups despite only modest differences in static mechanical alignment. This underscores that dynamic gait assessment, not a static radiograph, is beneficial to fully assess the effect of root repair. Restoration of full extension and objectively confirmed quadriceps recovery may be essential to closing this gap and to long-term chondroprotection. This raises a rehabilitation paradox: prolonged protection safeguards healing but may potentiate quadriceps inhibition and persistent gait dysfunction. Earlier controlled weightbearing, potentially supported by meniscal centralization with multiple fixation points, warrants a prospective study. Root preservation should extend beyond fixation alone to include gait restoration, extrusion control, and long-term joint protection.
PMID:
42701877
Bibliographic data and abstract were imported from PubMed on 06 Sep 2026.
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