How Do I Improve My Fitness?

Improving your fitness isn’t simply about being able to run further without getting out of breath. Fitness is a combination of strength, cardiovascular capacity, muscular endurance, mobility and your ability to recover from physical effort. Improving it means developing these qualities consistently and progressively rather than trying to exhaust yourself every time you exercise.

If you currently feel unfit, you don’t need to start with brutal workouts or spend every day in the gym. In fact, trying to do too much too soon is one of the easiest ways to make exercise difficult to sustain.

The better approach is to start with where you are now, gradually increase what your body can handle and give yourself enough time to adapt. Fitness isn’t something you acquire from a four-week transformation programme. It’s physical capacity that you build over time.

Fitness Is More Than Cardio

Ask someone how fit they are, and they’ll often think about running. How far can they run? How quickly do they get out of breath? Could they complete a 5k without stopping? Cardiovascular fitness matters, but it’s only one part of the picture.

Physical fitness includes cardiovascular capacity, muscular strength and endurance, mobility, speed, power, balance and coordination. The importance of each quality depends on what you want your body to do. A marathon runner and a powerlifter can both be extremely fit, but they’re fit for very different tasks.

For most of us, the goal sits somewhere between the two. We want enough cardiovascular fitness to climb several flights of stairs without struggling, enough strength to lift and carry things comfortably, and enough physical capacity to enjoy life outside the gym. A combination of strength, mobility and cardiovascular fitness creates a much more useful definition of being fit than endurance alone.

Build Strength

Strength training should form an important part of improving your overall fitness. You don’t need to become a powerlifter or chase enormous numbers on a barbell. The objective is to gradually make your muscles capable of producing more force while becoming confident with fundamental movement patterns.

At Foundry, that means learning to squat, hinge, push and pull well before progressively adding resistance. Good technique lays the groundwork for handling heavier loads and more demanding training later, while strength training progression doesn’t always have to mean putting more weight on the bar.

Strength also has a habit of making everyday life easier. Carrying shopping, picking something up from the floor, climbing stairs, playing with your children and getting yourself out of a chair are all physical tasks. The stronger and more capable you become, the smaller the percentage of your maximum capacity those everyday jobs require.

Strength isn’t separate from being fit. It’s one of the foundations of it.

Improve Your Aerobic Fitness

You don’t have to become a runner to improve your aerobic fitness. Brisk walking, cycling, swimming, rowing and other sustained activities can all develop your cardiovascular system.

The aim is to spend some time working at an intensity you can maintain rather than turning every cardio session into a test of survival. Your aerobic system is responsible for producing much of the energy required during longer-duration, lower-intensity activity. Still, it also plays an important part in helping you recover between harder efforts.

That matters even if your preferred training involves lifting weights or shorter bursts of high-intensity work. A better aerobic base can improve your general work capacity and help you recover between exercises, sets and training sessions.

Steady-state cardio might not be the most glamorous part of fitness, but glamour has never been a particularly useful training variable.

Your Three Energy Systems

The original idea of “work capacity” is useful when thinking about fitness. In simple terms, it’s your ability to perform physical work at a required intensity and duration.

Your body has three interconnected energy systems that help make this possible. They don’t simply switch on and off depending on the exercise you’re doing. All three contribute, but the demands of an activity determine which system plays the biggest part.

The Alactic Anaerobic System

Very short, explosive efforts rely heavily on the ATP-PC, or alactic anaerobic, system. Think about a short sprint, heavy lift, jump or powerful sled push. These activities require a lot of energy very quickly, but that level of effort cannot be sustained for long.

Training this quality involves short, high-quality efforts followed by enough recovery to perform strongly again. If every repetition gets progressively slower because you haven’t recovered, the nature of the training has changed.

The Lactic Anaerobic System

As hard efforts continue longer, the anaerobic system contributes more. This is the uncomfortable territory associated with hard intervals, repeated sprints and other sustained high-intensity efforts.

This type of conditioning can certainly improve fitness, but it needs to be used sensibly. Making every workout progressively harder until you’re lying on the floor doesn’t automatically make the session more productive. Anyone can make exercise exhausting. Good programming is about applying the right amount of work for the result you’re trying to achieve.

The Aerobic System

The aerobic system supports longer-duration activity and relies heavily on oxygen to produce energy. It’s what most people associate with cardiovascular fitness, but its importance goes beyond being able to run, cycle or row for longer.

Your aerobic system also contributes significantly to recovery between harder efforts. This is one reason improving fitness shouldn’t consist exclusively of high-intensity interval training. Hard training has its place, but easier aerobic work helps build the foundation that allows you to tolerate and recover from it.

Foundry’s fitness classes complement strength-focused personal training with aerobic and cardiovascular work, providing another way to develop endurance and overall work capacity.

Move More Outside The Gym

One of the simplest ways to improve your fitness doesn’t involve adding another formal workout. It involves moving more throughout the day.

Walk to the shops, take the stairs, go outside at lunchtime, cycle somewhere instead of driving or spend the weekend doing something active. These small amounts of movement accumulate and can improve your general activity levels without placing the same recovery demands on your body as another hard training session.

This is also where fitness starts becoming part of your life rather than something confined to an hour at the gym. Training matters, but so does what you’re doing during the rest of the week. A gym session can’t completely compensate for spending almost every other waking hour sitting down.

Don’t Neglect Mobility

Being strong and cardiovascularly fit is useful, but you also need sufficient mobility to access the positions required during training and everyday life comfortably.

That doesn’t mean everyone needs a lengthy stretching routine or has to become extraordinarily flexible. Mobility work should have a purpose and reflect what you actually need.

At Foundry, movement prep and mobility work are used to prepare the relevant muscles and joints for the work ahead while giving you opportunities to improve movement quality. Strength training itself can also develop useful ranges of movement when exercises are performed with good technique and control.

The objective isn’t maximum flexibility. It’s having enough mobility to move well, train effectively and do the things you want to do.

Progress Your Training Gradually

Your body adapts when you give it a reason to. If you repeatedly perform the same training with the same loads, repetitions, distances and intensities, eventually there is very little new stimulus to adapt to.

That doesn’t mean every workout needs to be harder than the last. Progress might mean lifting slightly more weight, completing another repetition with good technique, walking or running a little further, maintaining a faster pace, performing the same work more comfortably or recovering more quickly between efforts.

The important part is that progression is appropriate. Your first few weeks should be about building your fitness foundations, getting comfortable with training and developing good movement patterns. There will be plenty of time to make things harder.

A progressive training programme gives that process structure, so you’re not simply changing exercises or increasing intensity to make each session harder. Trying to skip the foundations usually doesn’t get you fitter faster. It just gives your body more work than it’s currently prepared to handle.

Give Yourself Time To Recover

Training provides the stimulus for improvement, but your body needs an opportunity to adapt to it. That makes sleep, nutrition and recovery part of your fitness programme rather than optional extras to think about later.

If you’re constantly tired, sleeping badly and trying to train hard every day, another high-intensity session probably isn’t what your body needs. You don’t have to be completely inactive on rest days, either. Walking and other gentle activities can keep you moving without adding another significant training stress.

The goal is to find the right balance between doing enough to stimulate improvement and recovering sufficiently to do it again. Fitness improves through the combination of training and recovery, not training alone.

Measure Your Fitness Progress

Fitness progress isn’t always obvious from one workout to the next, so it helps to look at changes over several weeks or months.

Perhaps you can walk up a steep hill without stopping, recover more quickly after a hard set, use a heavier weight with good technique or complete the same workout without feeling as exhausted. You may be able to perform more repetitions, maintain a pace for longer or notice that everyday physical tasks feel easier.

There are more formal measurements too. Strength numbers, running or rowing times, resting heart rate and cardiovascular fitness tests can all provide useful information when they’re relevant to your goals.

But don’t overlook the less glamorous signs of progress. If carrying the shopping is easier, you no longer dread the stairs, and you have more energy to do things at the weekend, your fitness is improving in ways that actually matter. The useful comparison isn’t with the person training next to you. It’s with where you started.

Fitness Changes As You Get Older

Your approach to fitness doesn’t need to stay the same throughout your life. Maintaining muscle, strength, cardiovascular fitness, balance and physical capacity becomes increasingly important as we get older.

Recovery may also need more consideration, particularly when work, family responsibilities, sleep and general life stress are competing for the same resources. That doesn’t mean you should automatically stop training hard once you reach a certain birthday.

Progressive strength training, aerobic exercise and regular movement remain valuable throughout adulthood. The programme needs to reflect the person, their training history, current ability and goals rather than their age alone. Training intelligently becomes more important, not less.

Train For The Fitness You Actually Need

There’s no single perfect way to become fit because fitness needs context.

If your fitness goal is completing your first 10k, your programme needs enough running and aerobic work to prepare you for it. If you want to become stronger, resistance training needs to take greater priority. If you want to feel healthier, stronger and more energetic, a combination of strength training, cardiovascular exercise and everyday movement will probably make more sense.

This is where people can go wrong by copying somebody else’s programme. The fact that a particular training method works doesn’t mean it’s the training method you need.

Your programme should reflect your goals, current fitness, training history, lifestyle and the amount of time you can realistically commit.

Starting Point For Improving Fitness

If you’re currently doing very little exercise, you don’t need a complicated weekly programme to start getting fitter. Two or three well-structured strength sessions each week, combined with regular walking and an appropriate amount of cardiovascular activity, can provide an excellent foundation.

From there, your training volume and intensity can gradually increase as your capacity improves. You might add more walking, extend a cardio session, increase the resistance you’re lifting or introduce some higher-intensity conditioning.

The mistake is jumping immediately from doing very little to trying to train six days a week. Fitness is built through repeatable habits, so your programme needs to be challenging enough to stimulate adaptation but realistic enough that you’re still following it several months from now.

Consistency will take you much further than a perfect programme you can’t maintain.

Build Your Fitness With Foundry

Improving your fitness doesn’t require you to maximise every energy system, finish every session exhausted or spend your life in the gym. For most people, it means getting stronger, developing a better aerobic base, moving more frequently, recovering properly and gradually increasing what their body is capable of doing.

Foundry’s personal training in London gives you structured coaching rather than leaving you to guess which exercises, intensities and training methods you need. Your training can be adapted to your starting point and progressively developed as your strength, fitness and confidence improve.

The aim isn’t simply to become better at working out. It’s to build a stronger, fitter and more capable body that makes everything you want to do outside the gym easier.

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