Abstract
Objective The aim of this study is investigate the core muscles dysfunctions and their consequences in patients with chronic ankle instability. Methods In this review study, search was conducted in three online databases of PubMed, Scopus, and Google scholar based on Patient, Intervention, Comparison, Outcome (PICO) strategy, and using keywords related to the role and function of core muscles, their electromyography, kinematic patterns of proximal segments, and postural stability in individuals with chronic ankle instability. Results Seven studies were finally selected for the review based on the inclusion and exclusion criteria. The results indicated that individuals with chronic ankle instability in comparison with healthy peers have different electromyography and kinematic patterns of proximal segments (trunk, abdomen and pelvis). Conclusion Muscle activity and kinematic patterns of proximal segments in individuals with chronic ankle instability are different to those of healthy ones. These differences are compensatory strategies for postural stability. These strategies may not provide the body’s need to maintain and control the poster in new environments or during complex activities. Further studies are needed to investigate effects of the correction of core muscle function on the postural control in individuals with chronic ankle instability.
Highlights
F requent instability, leading to repeated ankle sprains, is defined as chronic ankle instability [1]
In this review study, search was conducted in three online databases of PubMed, Scopus, and Google scholar based on Patient, Intervention, Comparison, Outcome (PICO) strategy, and using keywords related to the role and function of core muscles, their electromyography, kinematic patterns of proximal segments, and postural stability in individuals with chronic ankle instability
The results indicated that individuals with chronic ankle instability in comparison with healthy peers have different electromyography and kinematic patterns of proximal segments
Summary
F requent instability, leading to repeated ankle sprains, is defined as chronic ankle instability [1]. Some major problems that people with chronic ankle instability face are impaired balance, trunk instability, and postural instability. One of the most important factors in maintaining postural stability and balance in the body is the function of core muscles. Since the core muscles are at the center of all kinetic chains, the control of strength, balance, and movement in the center of body maximizes the connection between the upper and lower kinetic chains. Core stability plays a major role in the prevention of lower limb injuries in athletes. Core muscle activity, by increasing intra-abdominal pressure as well as applying tension to the thoracolumbar fascia, can cause a strong cylinder and increased postural stability
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