Table 1 Inclusion and exclusion criteria

Age

18–35 years old

Under 18 or over 35 years of age

Disease duration

Have symptoms of chronic ankle instability for at least 3 months

Acute ankle injury or no joint injury

CAIT score

Have a CAIT score less than or equal to 24

CAIT score higher than 24

Functional Screening

Pass a pre-laboratory ankle function screen with 2 or more positive tests

Failed ankle function screening

Structural Examination

Not have a structural joint lesion or congenital ankle deformity.

Presence of structural ankle pathology or congenital ankle deformity

Medical History

No previous ankle surgery or presence of external injuries

Have undergone ankle surgery or have significant trauma or wounds, Or there may be issues such as skin irritation, infection, open wounds, anemia, hypotension, etc.

Health status

Have no serious cardiac, pulmonary, neurological or other systemic disease.

Have a serious cardiac, pulmonary, neurological, or other systemic condition

Consent to participate in the study

Subjects with sufficient exercise ability to complete a certain intensity and duration of exercise load.

Do not agree to participate in the study or are unable to understand and comply with the study protocol