Abstract
Objective The knee ligaments, as a passive knee joint stability device, provide protection for the knee joint and ensure its functional integrity. This role has long been known and recognized by people. The original purpose of knee ligament reconstruction after knee ligament injury is to restore its anatomical structure and mechanical stability mechanism. Methods Taking athletes as the research object, randomized controlled trials (RCTs) on improving ankle joint function of athletes related to proprioception training at home and abroad were included. The search time was from the establishment of the database to December 31, 2019, and the references of related documents were traced. Two researchers independently screened the literature, extracted data, and evaluated the quality of the literature. RevMan 5.3 software was used for data analysis. Results The extensor strength, flexor strength, and flexor strength/extensor strength of the affected limb were higher than before the operation one year after surgery (P < 0.01). The Lysholm score, Lysholm instability score, and one-foot jump distance were all higher than those before surgery (P < 0.05); the difference of KT-2000 for both knees was smaller than that before surgery (P < 0.05). Conclusion In maintaining the anterior stability of the knee joint, the knee ligament provides 85% static resistance to prevent the tibia from moving forward, so knee ligament injury will cause knee instability. The proprioceptive feedback mechanism plays an important role in maintaining the functional stability of joints.
Highlights
A number of studies have shown that, after knee ligament injury treatment, standard knee joint scores and clinical ligament strength tests have little relationship with patient satisfaction and functional results, while knee ligament proprioception is closely related to the latter two
Recent studies have more clearly pointed out that patient satisfaction has the closest relationship with knee ligament proprioception, followed by proprioception and Lysholm score, while the correlation between patient satisfaction and Lysholm score was poor. e smallest correlation was between proprioception and ligament relaxation, and between patient satisfaction and ligament relaxation
Multifactor analysis shows that the cause of proprioception changes is insufficient knee ligament function, rather than other factors. e Dyhre-Poul study found that when the quadriceps and hamstring muscles contract isometrically, stimulating the knee ligaments can cause a short and complete cessation of muscle activity
Summary
Computer search of English databases such as PubMed, Cochrane Library, and Embase and relevant ontology of Chinese databases such as China Journal Full-text Database (CNKI), Wanfang Data, VIP Chinese Journal Full-text Database (VIP), and China Biomedical Literature Database (CBMdisc) was performed. We systematically reviewed available studies on the randomized controlled trials (RCTs) on the improvement of ankle joint function by sensory training. E retrieval time was from the establishment of the database to December 31, 2019, and the references of the related literature were traced. E search strategy uses a combination of subject terms and free words. English search terms include “propri-oception” “position sense” “balance training” “ankles” “athletes” “randomized controlled trial” “clinical trial”; Chinese search terms include “proprioception” “balance training” “ankle joint” “Patients” “randomized controlled trials.”
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