Effects of Different Rehabilitation Training Methods Under Color Doppler Flow Imaging on Functional Ankle Instability

The research aimed to evaluate the therapeutic effect of functional ankle instability (FAI) and to monitor the rehabilitation effect of neuromuscular training based on color doppler ultrasound. In this research, 70 patients with FAI who were admitted to XYZ hospital on January 30, 2018, solstice and July 30, 2019 were selected and divided into experimental group (EG) and control group (CG) randomly. In the EG, 35 patients underwent routine muscle strength training combined with neuromuscular training. In the CG, 35 patients received routine muscle strength training. Color doppler flow imaging (CDFI) was used to make imaging diagnosis of ankle joint condition before and after rehabilitation training in the two groups, and the Cumberland ankle instability tool (CAIT), American Orthopaedic Foot and ankle Societ (AOFAS), t-type agility test and Sargent longitudinal jump test were performed in the two groups before and after training. Multivariate Logistic regression model (LRM) was adopted to analyze the relation between ankle instability score and age, height, weight, total leg length, course of disease and training years. It was concluded that CAIT score, AOFAS score, and Sargent longitudinal jump test results of the EG were greatly higher than those of the CG after training, with statistically significant differences (SSD) (P < 0.05). After rehabilitation training, the test results of t-type agility in the EG were significantly lower than those in the CG, with SSD (P < 0.05). CAIT score, AOFAS score and Sargeant longitudinal jump test results in the two groups after rehabilitation training were greatly higher than those before training, with SSD (P < 0.05), and t-type agility test results were greatly lower than those in the CG, with SSD (P < 0.05). The CAIT score of the patients were negatively related to age and course of disease (P < 0.05), indicating that the two rehabilitation training methods could effectively improve the recovery of ankle instability score, agility variability ability, lower limb eruption and flexibility of the patients, and the neuromuscular training methods were more effective. Age and course of the disease are the risk factors that affect the rehabilitation effect of patients. In the early stage of functional ankle joint instability, medical treatment should be timely to avoid greater injury.