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A New Perspective on Endurance Training
One of the biggest problems with strength training for endurance athletes is the following: should I train like a strength athlete, like an aerobics instructor, or do I just skip the weights altogether? Most of the time, you’ll see runners training with weights one of two ways:
1. like a bodybuilder
2. like a wimp, meaning they will lift the 5 pound dumbbells ad nauseum thinking that this is creating endurance.
Let me state for the record that both methods are completely wrong. Big surprise there, right? Let me make another statement that I’m sure you’ll love. There is much research regarding strength training for endurance athletes out there, but you must be selective in where you look. Some of the top sports scientists in the former Soviet Union and East Germany looked into the proper methods of endurance. And while your local Road Runner club president might think that he knows the “right way to train for runners”, I’m willing to bet that he doesn’t.
So just what have these scientists and coaches found? We’ll get to that in short order. Let me first give some definitions of strength endurance. Yuri Verkhoshansky, a top athlete and strength researcher from the Soviet era, describes strength endurance as, “involving muscular tension without a decrease in working effectiveness over a long period of time” (Verkhoshansky, 1986). Thomas Kurz takes a similar approach when he talks about “the ability to continue work for a required time without lowering the quality of work” (Kurz, 2001). Notice here the common theme of resisting fatigue, which is the primary goal of endurance training. After all, if you are pooped out after 15 minutes, you’re not much of a runner, are you?
Endurance Performance Factors
The physiological factors most often affecting the endurance athlete are categorized into local endurance factors and general endurance factors (Kurz, 2001). Local factors affecting endurance include the strength of a particular muscle group, the energy stores in a particular muscle group (i.e. muscle glycogen, fatty acids, phosphate compounds), and the density of capillaries in a particular muscle.
General muscle endurance factors include the strength of all muscles involved with the activity, the energy stores in the muscles involved, cardiorespiratory factors (i.e. stroke volume, blood vessel integrity, Max Vo2, etc.), and homeostatic factors that play an essential role in any anaerobic activity (i.e. buffer capacity of blood, ability to tolerate high acidity in the blood).
With me so far? This stuff makes sense, right? You have to develop endurance in the proper muscles needed for your activity, and you need to make sure that all of these muscles can perform for the entire duration of your event, otherwise you will still be limited by your weakest link. Remember, our chain is only that strong.
So, for the average long-distance runner, just what should that person be doing in the gym? German scientists have utilized two basic strength training program with their athletes for years with great success.
These two basic methods of strength training are known as the intensive interval method and the extensive interval method (Hartmann and Tunnemann, 1995).
Each method has a slightly different focus, and endurance athletes looking for an edge to their performance should utilize both.
Hitting the Weights!
The extensive interval method is used primarily for athletes needing to acquire high endurance capacities within a given unit of time. This method increases the athlete’s ability to resist fatigue during lengthy activities (e.g. marathons). To train with this method, there are a few guidelines that you need to be aware of.
First, all weight training sessions should be performed in a “circuit” format, whereby you train on one exercise, rest, the move to exercise #2, rest, exercise #3, etc. until you have completed all of the exercises for that day. You then repeat the circuit 3-6 more times. This is critical to perform since “station” training will not be as effective. Station training refers to training one exercise completely before moving to the next exercise, similar to how most bodybuilders train. Remember your goals…you are not training for a bodybuilding contest, therefore your training should not resemble theirs.
You will also be training the entire body each session. This promotes a greater release of growth hormone, and increased levels of lactic acid production, which will enhance the body’s ability to remove this waste product when competition arrives.
Extensive Interval Method Guidelines
The intensive interval method is most effective with helping improve resistance to fatigue during short-term muscular endurance training of medium to high intensity (Hartmann & Tunnemann, 1995). This format will help endurance athletes to generate high-endurance performance by exploiting both the aerobic and anaerobic energy systems (Hartmann & Tunnemann, 1995). Theory points to the fact that the arteries are blocked during the contraction phase of the exercise and the relatively short breaks involved. The volume for this format is slightly lower than with the extensive interval method, owing to the increased intensity levels.
Another important aspect of the intensive interval method is the regulation of repetitions. For this method we will not be concerned with numbers, but time. You will perform reps for 20-45 seconds, with 30-second sets being the average. You need to time yourself somehow, and a digital timer on your watch with a countdown function works best in this regard. Don’t worry about the number or reps you complete, just keep repping until the time limit is up.
Intensive Interval Method Guidelines
So What’s The Plan?
To periodise these methods, you should focus on the extensive interval method during most of your pre-competitive phase, adding in the intensive interval phase just before your competitive season. Even long-distance runners need to do this, as the intensive interval method will help the athlete with the “burst” needed at the end of a race. Be careful with your planning with each method, since overtraining is a distinct possibility when dealing with strength training and long-endurance training.
The Extensive Interval method is used most often in the preparatory phase of the training cycle. It will prepare the athlete for the necessary utilization of glucose for exercise. Some research also suggests that this method of training increases the number of mitochondria as well as the density of capillaries in the worked muscles (Hartmann & Tunnemann, 1995). This method is favored by athletes in cyclic-types of sports (e. g. cross-country skiing). In this case, repetitions may be increased to 100, or even close to 200 per set (Bompa, 1999).
The Intensive Interval method would primarily be used in the pre-competitive phase of training for athletes involved in acyclic types of sports (e.g. wrestlers). You may begin their preparatory phase with extensive interval work, and then shift to the intensive method as you close in to the season. To preserve strength during the season, you would drop the intensive method, and rely on wrestling matches to preserve anaerobic endurance.
Sprinters Take Note!
These methods are also useful for track work, and the same general principles apply as with the weights. I’ve presented a chart below for an advanced sprinter that may run the 100, 200, or 400 meters. Notice the similarity in intensities and repetition as we discussed with the weights.
Breaking Away From Tradition…Thankfully!
These routines may seem “different” when compared to what’s out there currently, but in many cases, different is what is needed! Ask yourself if your current weight routine has been making any difference in your runs, and then take the chance to try out these methods.
Written by Nathan Mosher
Discuss, comment or ask a question
If you have a comment, question or would like to discuss anything raised in this article, please do so in the following discussion thread on the Wannabebig Forums - A New Perspective on Endurance Training discussion thread.
Bompa, T. (1999). Periodization: Theory and Methodology of Training. Human Kinetics: Champaign, IL.
Hartmann, J & Tunnemann, H. (1995). Fitness and Strength Training for All Sports: Theory, Methods, Programs. Sport Books Publisher: Toronto.
Kurz, T. (2001). Science of Sports Training. Island Pond, VT: Stadion.
Schmolinsky, G. (2000). Track and Field: The East German Textbook of Athletics. Sport Books Publisher: Toronto.
Verkhoshansky, Y. (1986). Fundamentals of Special Strength Training in Sport. Livonia, MI: Sportivny Press.