Table 1 Treatment schedule and outcome measures

 Informed consent

X

 Sociodemographic profile

X

 Medical history

X

 Vital signs

X

X

X

X

X

X

X

X

 Inclusion/exclusion criteria

X

 Allocation

X

 Clinical laboratory tests

X

X

 Acupuncture treatment

X

X

X

X

X

 Trial medication prescription

X

 Change of medical history

X

X

X

X

X

X

X

X

X

 Safety assessment

X

X

X

X

X

X

 Visual Analog Scale of pain

X

X

X

 Foot and Ankle Outcome Score

X

X

X

 Edema of ankle sprain

X

X

X

 European Quality of Life 5-Dimension-5-Level Scale

X

X

X

X

 Number of recurrent ankle injuries

X

X

X

X