HMB-FA resulted in increased total strength ( bench press , squat , and deadlift combined ) over the @-week training ( @ @ vs. @ @ kg , p < @ ) ; a greater increase in vertical jump power ( @ @ vs. @ @ W , p < @ ) ; and increased lean body mass gain ( @ @ vs. @ @ kg , p < @ ) in HMB-FA - and placebo-supplemented groups , respectively .