Concept and theoretical basis
Periodization divides a whole season into periods with different goals, volumes and intensities so that peak performance (peaking) occurs at the desired time. Its theoretical foundation is Selye's (1936) general adaptation syndrome: under stress (training load) the body passes from an alarm reaction to a resistance (adaptation) stage, but excessive stress leads to exhaustion. With appropriate rest after training, fitness rebounds above its previous level, a process called supercompensation, so the key is to arrange load and recovery in cycles.
Training cycles
- Macrocycle: a large cycle of a season or a year (sometimes a four-year Olympic cycle).
- Mesocycle: a medium cycle of usually two to six weeks focusing on particular fitness qualities.
- Microcycle: a small cycle of usually one week arranging daily intensity and rest.
Training phases
- Preparatory phase: general preparation builds base fitness with high volume; specific preparation adds sport-specific work.
- Competition phase: volume drops while intensity and technical quality rise, with a taper before competition to shed fatigue.
- Transition phase: active rest restores body and mind and prepares the next season.
Periodization models
Traditional (linear) periodization, systematized by the Soviet scientist Matveyev in the 1960s, moves from high volume and low intensity early in the season to lower volume and higher intensity. Bompa and Haff's (2009) textbook set out these principles widely. Undulating (non-linear) periodization varies intensity and repetitions frequently, even within a week. Issurin (2010) criticized the traditional model's "mixed" training of many abilities at once for producing conflicting physiological responses and making multiple peaks per season difficult, and proposed block periodization: sequencing short blocks (accumulation, transmutation, realization) of highly concentrated work on a few target abilities.
Related concepts
How energy is supplied at different training intensities is covered in aerobic and anaerobic exercise metabolism.
References
- Bompa, T. O., & Haff, G. G. (2009). Periodization: Theory and Methodology of Training (5th ed.). Champaign, IL: Human Kinetics.
- Issurin, V. B. (2010). New horizons for the methodology and physiology of training periodization. Sports Medicine, 40(3), 189–206.
- Selye, H. (1936). A syndrome produced by diverse nocuous agents. Nature, 138, 32.