Thirty athletes with FAI were divided into 3 groups : plyometric group ( 8 men , 2 women , age = 23.20 2.82 years ; 10 unstable ankles ) , plyometric-balance ( integrated ) - training group ( 8 men , 2 women , age = 23.80 4.13 years ; 10 unstable ankles ) , and control group ( 7 men , 3 women , age = 23.50 3.00 years ; 10 unstable ankles ) .