Changes in Dynamic q Angle in Patients With Chronic Ankle Instability

Changes in Dynamic q Angle in Patients With Chronic Ankle Instability

This study investigates the difference in dynamic Q-angle of patients with chronic ankle instability and those without.

Inclusion criteria:

• Subjects aged between 18 and 30 years.
• Subjects with a history of LAS for at least one year before the study onset, that required at least 1-day weight-bearing restriction.
• Subjects with a self-reported tendency of ≥2 giving way episodes during 6 months before enrollment in the study.
• Subjects with a perception that the injured ankle was chronically weaker, more painful, and/or less functional than the contralateral ankle before the first LAS.
• Subjects who scored less than 24 in the Cumberland Ankle Instability Tool (CAIT), a validated ankle instability specific questionnaire of 9 items, to determine if functional ankle instability is present.

Exclusion criteria

• Subjects who had bilateral LAS
• Subjects with a history of lower extremity injury, fracture, or surgery
• Subjects who participated in supervised or unsupervised ankle rehabilitation within a year before enrollment in the study
• Subjects with LAS within 3 months before participation
• Subjects with a history of knee pain during the last 6 months.
• Subjects diagnosed with knee osteoarthritis.