How to simultaneously improve mobility, strength, and stamina

Brad Walker explains the content, format, and benefits of circuit training.

Circuit training routines are one of my favourite training sessions, whether for myself personally or for clients. I use circuit training as part of injury rehabilitation programs, for conditioning elite-level athletes, or to help my clients lose weight.

I was introduced to circuit training routines by an exceptional sports coach by the name of Col Stewart. Col is one of those rare coaches who can take just about any sport and devise a specific training program that always produces outstanding improvements for his athletes.

Col's circuit training routines are responsible for the success of many of his world champion athletes. Including his son, Miles Stewart (World Champion Triathlete), Mick Doohan (World 500cc Motorcycle Champion), and countless others from sports as diverse as roller-skating, squash, and cycling.

Many other coaches are also impressed by circuit training and use it regularly.

Brian Mackenzie, a British Athletics Coach, says, "it is an excellent way to improve mobility, strength, and stamina simultaneously."
The Workouts for Women website states " is one of the best methods of exercising as it provides excellent all-around fitness, tone, strength, and a reduction of weight and inches. In short, maximum results in minimum time."

So what is?

Circuit training consists of a consecutive series of timed exercises performed one after the other with varying amounts of rest between each exercise. For example, a simple circuit training routine might consist of push-ups, sit-ups, squats, chin-ups, and lunges. The routine might be structured as follows and could be continually repeated as many times as is necessary.

Do as many push-ups as you can in 30 seconds, then rest for 30 seconds
Do as many squats as you can in 30 seconds, then rest for 30 seconds
Do as many sit-ups as you can in 30 seconds, then rest for 30 seconds
Do as many lunges as you can in 30 seconds, then rest for 30 seconds
Do as many chin-ups as you can in 30 seconds, then rest for 30 seconds

What makes it so good?

The quick pace and constantly changing nature of circuit training places a unique type of stress on the body, which differs from normal exercise activities like weight training and aerobics.

The demands of circuit training tend to prepare the body in a very even, all-around manner. I have found circuit training to be an exceptional form of exercise to aid in the prevention of injury. Circuit training is one of the best ways I have found to condition your entire body and mind.

There are many other reasons why circuit training is a fantastic form of exercise, and what most of these reasons come down to is flexibility. In other words, circuit training is customisable to your specific requirements.

Circuit training can be personalised. Whether you are a beginner or an elite athlete, you can modify your circuit training routine to give you the best possible results.
A circuit training routine can be modified to give you precisely what you want. Whether you want an all-over body workout or you want to work on a specific body area, or you need to work on a particular aspect of your sport.
You can change the focus of your circuit training routine to emphasise strength, endurance, agility, speed, skill development, weight loss, or any other aspect of your fitness that is important to you.
Circuit training is time-efficient. No wasted time in between sets. It is the maximum results in minimum time.
You can do circuit training just about anywhere. One of my favourite places for doing circuit training is at some of the parks and playground areas near where I live. Circuit training is a favourite form of exercise for the British Royal Marine Commandos because they tend to spend a lot of time on large ships. The confined spaces mean that circuit training is sometimes the only form of exercise available to them.
You do not need expensive equipment. You do not even need a gym membership. You can just as quickly put together a great circuit training routine at home or in a park. By using your imagination, you can devise all sorts of exercises using things like chairs and tables and even children's outdoor play equipment like swings and monkey bars.
Another reason why I like Circuit Training so much is that it is great fun to do in pairs or groups. Half the group exercises while the other half rests and motivates the exercising members of the group.

The main types of

As mentioned before, can be customised, which means there is an unlimited number of different ways you can structure your routine. However, here are a few examples to give you some idea of the different types available.

Timed Circuit

This type of circuit involves working to a set time for both rest and exercise intervals. For example, a typical timed circuit might involve 30 seconds of exercise and 30 seconds of rest in between each exercise.

Competition Circuit

This is similar to a timed circuit, but you push yourself to see how many repetitions you can do in the set time. For example, you may be able to complete 12 push-ups in 30 seconds. The idea is to keep the time the same, but try to increase the number of repetitions you can do in the set time.

Repetition Circuit

This type of circuit is excellent if you are working with large groups of people who have different levels of fitness and ability. The idea is that the fittest group might do, say 20 repetitions of each exercise, and the intermediate group might only do 15 repetitions. In comparison, the beginners might only do ten repetitions of each exercise.

Sports Specific or Running Circuit

This type of circuit is best done outside or in a large, open area. Choose exercises that are specific to your particular sport or emphasise an aspect of your sport you would like to improve.

Then instead of resting between exercises, run easy for 200 or 400 metres. You can even use sprints, or fast 400 metre runs as part of your choice of exercises.

Some Important Precautions

Circuit training is an excellent form of exercise. However, the most common problem I find is that people tend to get over-excited because of the timed nature of the exercises and push themselves harder than they usually would. This tends to result in sore muscles and joints and an increased likelihood of injury - two precautions you need to take into consideration.

Your level of fitness. If you have never done any circuit training before, even if you consider yourself quite fit, start slowly. The nature of circuit training is quite different from any other form of exercise. It places further demand on the body and mind, and if you are not used to it, it will take a few sessions for your body to adapt to this new form of training. Be patient.
Your warm-up and cool-down are crucial. Do not ever start a circuit training routine without a thorough warm-up that includes dynamic stretching. As I mentioned before, circuit training is very different from other forms of exercise. Your body must be prepared for circuit training before you start your session.

Article Reference

This article first appeared in:

WALKER, B. (2004) How to simultaneously improve mobility, strength and stamina. Brian Mackenzie's Successful Coaching, (ISSN 1745-7513/ 13 / June), p. 6-7

Page Reference

If you quote information from this page in your work, then the reference for this page is:

WALKER, B. (2004) How to simultaneously improve mobility, strength and stamina [WWW] Available from: https://www.brianmac.co.uk/articles/scni13a4.htm [Accessed

About the Author

Brad Walker is a prominent Australian sports trainer with more than 15 years of experience in the health and fitness industry. Brad is a Health Science graduate of the University of New England and has postgraduate accreditations in athletics, swimming, and triathlon coaching. He also works with elite level and world champion athletes and lectures for Sports Medicine Australia on injury prevention.


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Circuit training routines are one of my favourite training sessions, whether for myself personally or for clients. I use circuit training as part of injury rehabilitation programs, for conditioning elite-level athletes, or to help my clients lose weight. I was introduced to circuit training routines by an exceptional sports coach by the name of Col Stewart. Col is one of those rare coaches who can take just about any sport and devise a specific training program that always produces outstanding improvements for his athletes. Col's circuit training routines are responsible for the success of many of his world champion athletes. Including his son, Miles Stewart (World Champion Triathlete), Mick Doohan (World 500cc Motorcycle Champion), and countless others from sports as diverse as roller-skating, squash, and cycling. Many other coaches are also impressed by circuit training and use it regularly. Brian Mackenzie, a British Athletics Coach, says, "it is an excellent way to improve mobility, strength, and stamina simultaneously." The Workouts for Women website states " is one of the best methods of exercising as it provides excellent all-around fitness, tone, strength, and a reduction of weight and inches. In short, maximum results in minimum time." So what is? Circuit training consists of a consecutive series of timed exercises performed one after the other with varying amounts of rest between each exercise. For example, a simple circuit training routine might consist of push-ups, sit-ups, squats, chin-ups, and lunges. The routine might be structured as follows and could be continually repeated as many times as is necessary. Do as many push-ups as you can in 30 seconds, then rest for 30 seconds Do as many squats as you can in 30 seconds, then rest for 30 seconds Do as many sit-ups as you can in 30 seconds, then rest for 30 seconds Do as many lunges as you can in 30 seconds, then rest for 30 seconds Do as many chin-ups as you can in 30 seconds, then rest for 30 seconds What makes it so good? The quick pace and constantly changing nature of circuit training places a unique type of stress on the body, which differs from normal exercise activities like weight training and aerobics. The demands of circuit training tend to prepare the body in a very even, all-around manner. I have found circuit training to be an exceptional form of exercise to aid in the prevention of injury. Circuit training is one of the best ways I have found to condition your entire body and mind. There are many other reasons why circuit training is a fantastic form of exercise, and what most of these reasons come down to is flexibility. In other words, circuit training is customisable to your specific requirements. Circuit training can be personalised. Whether you are a beginner or an elite athlete, you can modify your circuit training routine to give you the best possible results. A circuit training routine can be modified to give you precisely what you want. Whether you want an all-over body workout or you want to work on a specific body area, or you need to work on a particular aspect of your sport. You can change the focus of your circuit training routine to emphasise strength, endurance, agility, speed, skill development, weight loss, or any other aspect of your fitness that is important to you. Circuit training is time-efficient. No wasted time in between sets. It is the maximum results in minimum time. You can do circuit training just about anywhere. One of my favourite places for doing circuit training is at some of the parks and playground areas near where I live. Circuit training is a favourite form of exercise for the British Royal Marine Commandos because they tend to spend a lot of time on large ships. The confined spaces mean that circuit training is sometimes the only form of exercise available to them. You do not need expensive equipment. You do not even need a gym membership. You can just as quickly put together a great circuit training routine at home or in a park. By using your imagination, you can devise all sorts of exercises using things like chairs and tables and even children's outdoor play equipment like swings and monkey bars. Another reason why I like Circuit Training so much is that it is great fun to do in pairs or groups. Half the group exercises while the other half rests and motivates the exercising members of the group. The main types of As mentioned before, can be customised, which means there is an unlimited number of different ways you can structure your routine. However, here are a few examples to give you some idea of the different types available. Timed Circuit This type of circuit involves working to a set time for both rest and exercise intervals. For example, a typical timed circuit might involve 30 seconds of exercise and 30 seconds of rest in between each exercise. Competition Circuit This is similar to a timed circuit, but you push yourself to see how many repetitions you can do in the set time. For example, you may be able to complete 12 push-ups in 30 seconds. The idea is to keep the time the same, but try to increase the number of repetitions you can do in the set time. Repetition Circuit This type of circuit is excellent if you are working with large groups of people who have different levels of fitness and ability. The idea is that the fittest group might do, say 20 repetitions of each exercise, and the intermediate group might only do 15 repetitions. In comparison, the beginners might only do ten repetitions of each exercise. Sports Specific or Running Circuit This type of circuit is best done outside or in a large, open area. Choose exercises that are specific to your particular sport or emphasise an aspect of your sport you would like to improve. Then instead of resting between exercises, run easy for 200 or 400 metres. You can even use sprints, or fast 400 metre runs as part of your choice of exercises. Some Important Precautions Circuit training is an excellent form of exercise. However, the most common problem I find is that people tend to get over-excited because of the timed nature of the exercises and push themselves harder than they usually would. This tends to result in sore muscles and joints and an increased likelihood of injury - two precautions you need to take into consideration. Your level of fitness. If you have never done any circuit training before, even if you consider yourself quite fit, start slowly. The nature of circuit training is quite different from any other form of exercise. It places further demand on the body and mind, and if you are not used to it, it will take a few sessions for your body to adapt to this new form of training. Be patient. Your warm-up and cool-down are crucial. Do not ever start a circuit training routine without a thorough warm-up that includes dynamic stretching. As I mentioned before, circuit training is very different from other forms of exercise. Your body must be prepared for circuit training before you start your session. Article Reference This article first appeared in: WALKER, B. (2004) How to simultaneously improve mobility, strength and stamina. Brian Mackenzie's Successful Coaching, (ISSN 1745-7513/ 13 / June), p. 6-7 Page Reference If you quote information from this page in your work, then the reference for this page is: WALKER, B. (2004) How to simultaneously improve mobility, strength and stamina [WWW] Available from: https://www.brianmac.co.uk/articles/scni13a4.htm [Accessed About the Author Brad Walker is a prominent Australian sports trainer with more than 15 years of experience in the health and fitness industry. Brad is a Health Science graduate of the University of New England and has postgraduate accreditations in athletics, swimming, and triathlon coaching. He also works with elite level and world champion athletes and lectures for Sports Medicine Australia on injury prevention.