Bondarchuk's Exercise Classification: Sorting Exercises by Their Transfer to the Sport
Quick Intro
Anatoliy Bondarchuk is a Soviet and Ukrainian coach known for hammer throw athletes and for a system of classifying training exercises according to how closely they resemble the sport. The system is widely used in track and field throwing events and in strength and conditioning. It helps coaches think about transfer of training, which is how much improvement in one exercise carries over to the sport itself.
The Idea in Plain Terms
Not all exercises are equally useful for a given sport. An athlete can squat heavy and still not throw farther. Bondarchuk’s classification sorts exercises into four groups, from closest to farthest from the competition movement:
| Group | Abbreviation | What it is | Example for a hammer thrower |
|---|---|---|---|
| Competitive exercises | CE | The sport movement itself | Throwing the competition hammer |
| Special developmental exercises | SDE | Movements similar in pattern, with a changed load or conditions | Throwing a heavier or lighter hammer |
| Special preparatory exercises | SPE | Movements that share parts or muscle actions with the sport | Throws with a weight plate, medicine ball rotational throws |
| General preparatory exercises | GPE | General strength and fitness work | Squats, power cleans, running |
The framework also describes a trade-off. The closer an exercise is to the sport, the more directly it transfers and the more specific it is, and the less volume of it an athlete can tolerate. General exercises allow high volume and develop a broad base, and they transfer less directly.
The coach argued that the balance among the four groups should change as an athlete advances. Beginners benefit from more general preparation, while advanced athletes with a developed base need more of the specific groups to keep improving. Bondarchuk also recommended tracking the percentage of each type of work and observing results.
The idea is related to the principle of specificity, with a more detailed structure for choosing exercises.
A Worked Example
A sprinter’s exercise menu sorted by the classification:
| Group | Exercises |
|---|---|
| CE | Full-speed sprints |
| SDE | Sled sprints, assisted sprints |
| SPE | Bounding, hill sprints, high-knee drills |
| GPE | Squats, deadlifts, core work |
A beginner might spend most of the time in the last two groups, and an advanced sprinter would spend more in the first two.
What the Research Shows
The system comes largely from coaching experience and observation of throwers, and there is little controlled research on the classification. Findings on transfer give indirect support. Studies show that strength gains from general lifts transfer to sport performance to a degree that depends on how similar the movement and speed are, and that velocity-specific training improves speed-specific performance.
Reviews of resisted and assisted sprint training and of plyometrics are examples of work in the special developmental and preparatory categories. The classification does not give exact percentages for each group, and recommended ratios vary between coaches.
It remains a valuable framework for thinking, and it has not been tested as a complete system.
Who It Suits
This framework helps:
- Coaches planning programs for a sport.
- Athletes who want to understand why their program includes certain exercises.
- Students of training theory.
How to Use It
- Define the competition movement precisely.
- List your current exercises and sort them into the four groups.
- Check whether the mix suits your level.
- Increase specific work as the base grows.
- Observe the response and adjust.
- Keep general work for a broad base.
Common Misunderstandings
It is not a proven formula.
It is not only for throwers.
It is not a reason to drop general strength training.
FAQ
What does transfer of training mean? How much gains in one exercise carry over to another skill.
Why not only practice the sport? Volume is limited, and general work builds capacity safely.
How is it different from specificity? It gives a structure for ranking exercises.
Who uses it? Throwers and many strength coaches.
Where This Comes From
Bondarchuk A, writings on transfer of training in sports and the classification of training exercises (published in Russian and later in English translation). The framework is described in strength and conditioning literature and has not been tested in controlled trials as a system.
Related to: the principle of specificity, the force-velocity relationship, resisted sprint training and the SAID principle.