Keefektifan teknik ankle balance taping dibandingkan sham disertai latihan penguatan otot kaki terhadap keseimbangan statis dan dinamis: studi intervensi pada pelari dengan instabilitas fungsional pergelangan kaki kronik = The effectiveness of the ankle balance taping technique compared to sham accompanied with strengthening leg muscles against static and dynamic balance: intervention study of runners with chronic ankle functional instability