Perbandingan Efektivitas Kinesio Tape dan Sham Taping Terhadap Performa Ekstremitas Bawah Pada Atlet Voli Kelompok Olahraga Prestasi Universitas Negeri Jakarta = Comparison of the Effectiveness of Kinesio Tape and Sham Taping on Lower Extremity Performance in Volleyball Athletes in the Achievement Sports Group, Universitas Negeri Jakarta