STRENGTH TRAINING ONLY EFFECTS THE TRAINED EXERCISES
Fagan, C. D., & Doyle-Baker, P. K. (2000). The effects of maximum strength and power training combined with plyometrics on athletic performance. Medicine and Science in Sports and Exercise, 32(5), Supplement abstract 659.
Ss (M = 19; F = 14) were randomly assigned to two training groups; maximum strength (85-90% 1 RM) and plyometrics, or maximum power (30% 1 RM jump squats) and plyometrics. Female competitive soccer players (N = 6) served as a control group. Training was performed twice a week for 10 weeks.
Both groups improved in lower body power and strength. Both forms of training were equally effective in increasing squat strength to perform plyometrics. However, sprint speed over distances of 5-40 meters did not change, therefore, this form of training was very specific and did not carry-over to a useful athletic pursuit.
Implication. Strength training only has specific effects on the trained exercises.
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