Methods: Seventeen international male soccer players (mean (SD) age 25.8 (2.9) years, height 177.3 (4.1) cm, weight 76.5 (7.6) kg, and maximal oxygen uptake 65.7 (4.3) ml/kg/min) were tested for ...

Squats (whether traditional back squats or the ... After a five- to 10-minute warm-up, alternate 30 second sprints with 30- to 60-second breaks, repeating four to eight times.