Ferley, D. D., et al.
Combined sprint interval, plyometric, and strength training in adolescent soccer players: Effects on measures of speed, strength, power, change of direction, and anaerobic capacity
During winter, many soccer players train indoors to improve the aerobic and anaerobic demands of their sport. Sprint interval training (SIT) performed on a treadmill using level and graded conditions represents a viable alternative to traditional endurance conditioning. To date, little research exis...