Knee joint stability
neuromuscular fatigue, YBT, lower extremity quadriceps compression, knee osteoarthritis
KNEE OSTEOARTHRITIS
The YBT is commonly used to assess knee function and the symmetry of knee control. In this experiment, the YBT was used to measure the farthest length of the anterior, posterior medial, and posterior lateral directions of the knee bilateral limb of the participant and to determine the change in the bilateral control difference between the knee joint before and after the experimental intervention. The bilateral stability of the knee joint was improved after the experiment. However, only the 80% AOP compression group showed a statistically significant difference before and after the intervention. The one-way ANOVA results indicated only significant differences between the control group and the 80% AOP compression group. The expected outcomes of the experiment were that 8 weeks of compression training would improve bilateral control differences in the knee joint and that the level of compression would affect the level of recovery. The results obtained were fundamentally in line with the original expectations. In a study of knee osteoarthritis by Ladlow et al. [The YBT mainly examines the participant’s knee joint nerve control ability and the static and dynamic stability of the lower extremities. No significant increases were detected in quadriceps muscle strength or circumference in the control group after 8 weeks of intervention, so no significant increase was observed in knee static or dynamic stabilization capacity. Improved knee nerve control may reflect increased stability in adjacent joints. The experimental BFR training can affect the proximal and distal ends due to the pressure on the lower limbs [The reason for the lack of a statistically significant difference between the 40% AOP compression group and the 80% AOP compression group may be a slower recovery from neuromuscular fatigue after training at higher BFR levels. The improvement in the degree of motion could help the participants to support their legs in squats in the YBT, and healthy legs can push the square farther anteriorly, posterior medially, and posterior laterally, thereby improving the test score of the affected side and reducing the difference value of the healthy side. Experimental intervention protocols, such as the single-leg Bulgarian squat, may also help improve walking/running mechanics, thereby improving the dynamic stability of the knee joint. The compression training of the quadriceps of the lower extremities can improve the static dynamic stability of the knee joint, and lower extremity quadriceps compression at 80% AOP can effectively reduce the difference between the healthy and unhealthy sides.Because of this trial’s small sample size, there was a chance of Type I error which is the mistaken rejection of a null hypothesis as the result of a test procedure, and Type II error which is the mistaken failure to reject the null hypothesis as the result of a test procedure. For example, one individual making a large gain would lead to this. In this situation, the IKDC and YBT statistics may not be scientific enough as indicators (power < 0.8).