Ventolin, Canova does use weights sometimes with his athletes. I know Coe used them quite a bit and was obviously great at the 800.
I took this partial quote from Canova about strength, weights, and circuits from page 33 of the giant thread. The 6th paragraph is key:
The Basic Training of Strength Endurance during the General Period:
How to Use Modified Circuits
It is always very difficult to interpret the real relationship between STRENGTH and ENDURANCE. Many coaches and scientists have tried to investigate this point but normally using a partial vision of the problem.
In fact, if it’s true that THE SPEED OF AN ATHLETE IS DIRECTLY CONNECTED WITH HIS STRENGTH, it’s also true that using a high percentage of strength for long time depends on bioenergetic and metabolic factors: the factors determining SPECIFIC ENDURANCE.
Following this reasoning, we cannot think of STRENGTH as a decisive factor regarding the various events of middle and long distance: nobody is stronger, for instance, than a thrower but at the same time nobody is weaker when considering the aerobic point of view.
Over many years, I worked in the Italian Centre for middle and long distances in Tirrenia, with Luciano Gigliotti and dr. Pierluigi Fiorella, and we performed countless tests. These were with middle and top level, male and female athletes using the BOSCO test for checking ‘Reactive Strength’ and the Faraggiana-Gigliotti test for checking Lactate levels.
Our goal was to control THE EFFECTS OF AEROBIC TRAINING ON STRENGTH, and THE EFFECTS OF STRENGTH TRAINING ON THE AEROBIC LEVELS. Practically, after a period devoted mostly to Aerobic Training, we checked the Strength levels and after a period devoted mostly to the development of Strength and Technique, we checked the Aerobic levels.
We could see that using Aerobic Training with some special exercises for stimulating the use of Strength, such as running on hilly courses, our athletes improved their values for Strength, identified through the previous BOSCO test. On the contrary, using more specific training for strengthening, the Aerobic Level decreased and the AnT went down.
We think that SPECIFIC SPEED ENDURANCE is not connected with the peak of speed or with the strength of an athlete but with a high level of AnT, so that muscles are allowed to work at higher intensity starting from a better Aerobic Base and having less lactate within the muscle fibres for the same speed.
Therefore, we tried to find some solution in training to synchronously increase both Strength and Aerobic Power. Specifically, the objective was to train the nervous system and the muscles to recruit the greatest number of fibres under conditions of strong acidification.
In order to reach this goal we started from the well known MODIFIED CIRCUITS that have been used in training for a long time in different methodologies, changing the intensity and duration according to the event and the seasonal period of training.
Modified Circuits comprise a sequence of exercises for strength and/or technique, connected together with runs carried out at different speeds and over different distances, depending on the final goal of the Circuit.
(SlowFatMaster here again) Having done some workouts with these circuits, I can say that they hurt like hell and produce a level of whole-body fatigue that is hard to describe and must be experienced in order to fully appreciate.