The 3 Phases of Fitness Provide a Lifelong Approach to Performance

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Retired Portsmouth Naval Shipyard, Maine, worker Brad Connelly performs battle ropes during a group fitness class at Fletcher Fitness Center, May 7, 2025. (Neil Boorjian/Navy)

When it comes to fitness, three phases make up a progressive process to building a lifelong foundation that supports both your mind and body:

  • Health and wellness
  • Physical performance
  • Athletic competition

Many people make the mistake of skipping essential groundwork and jumping directly into competitive activities, which can lead to preventable injuries. Usually, these activities are things we all did as children or as high school athletes, but the decade or more of being idle has its consequences.

Phase 1: Health and Wellness (the Foundation)

Breaking down these phases of fitness, you will see why maintaining at a minimum Phase 1: Health and Wellness is so important for the present and future decades. If you think about it, the fitness journey typically begins on a health and wellness level. These encompass both mental and physical benefits that are required as the foundation of fitness and health. 

Prioritizing this phase means focusing on daily movement, balanced nutrition (real food), stress management and adequate sleep. Phase 1 is about creating habits that keep your body durable, stable and mobile, which will also benefit your mental health. Establishing a strong base here not only improves your quality of life but also sets you up for success in the following phases of fitness.

Without this foundation, advancing to more intensive forms of exercise increases the risks of setbacks and injuries.

Read More: Ask Stew: When Tired, How to Decide to Work Out vs. Rest

Phase 2: Physical Performance with Personal Goals

Once you have built a solid wellness foundation, you can move on to physical performance. This phase involves training for specific objectives such as running a 5K, mastering a pullup or passing a fitness test. Consistent and targeted workouts help improve strength, endurance and mobility, three key elements of fitness that you will need for longevity (as well as optimal performance). 

The principle of progressive overload teaches that we can gradually increase the intensity and complexity of our fitness training to ensure logical progression that prepares our bodies for more demanding activities. 

The discipline developed in these first two phases through consistency will pay dividends not only as you advance in your athletic pursuits but as you age into retirement.

Phase 3: Athletic Competition/Optimal Performance

Reaching peak performance in your training is typically due to athletic competitions. This is where you push yourself to events such as races, pick-up basketball games, or organized sports. This stage is about striving to be your best, or better than the competition. However, it is important to remember that proper preparation through the earlier phases is essential to avoid injuries that can sideline you for weeks or even months. Competing safely means respecting your body’s needs and knowing when to rest and recover.

How many of you former athletes out there tried something you used to easily do, but you have not done in decades, only to end up with some sort of injury? This happens all the time, even with something as simple as throwing a football or playing a pick-up basketball game after not playing for several years. The phases of fitness were ignored. You cannot just jump into Phase 2 or Phase 3 without building or maintaining the foundation of health and wellness, and not risk injury. 

Pulled hamstrings, torn Achilles tendons and rotator cuff tears are just a few of the common consequences of neglecting the proper progression through these phases.

Read More: A Workout for Days When You Have Only 20-30 Minutes to Train

The Fitness Pyramid and Cycle of Longevity/Optimal Performance

Think of physical fitness as a pyramid. Health and wellness form the foundation. Physical performance strengthens the structure, and athletic competition/optimal performance sit at the peak. 

As you age, the cycle reverses. When your days of intense competition wind down, you return to focusing on movement, balance, durability and stability. This shift produces longevity, helping you maintain independence and vitality into your later years. There is no reason to stop setting goals or competing as you get older, as many events welcome competitors well into their 60s, 70s, and beyond. 

The key is to keep moving and adapting to your body’s changing needs each decade.

Building the Lifelong Approach to Fitness, Health and Wellness

To maximize your fitness journey and avoid injury pitfalls, respect the progression through these phases. Start with health and wellness, pursue personal performance goals, and aim for competition when you’re ready. 

By following each stage, you not only achieve peak performance but also lay the groundwork for lasting health and longevity. In fact, there is no difference between longevity and optimal performance if you think about it, as they both require the mastery of recovery (sleep, nutrition, stress mitigation and physical activity). 

This approach ensures that your final decades are filled with movement, purpose and well-being, so keep moving as long as you can.

When in doubt, work on your health and wellness, especially when pressed for time or stressed out. Check out the Military.com Fitness Section for more information on training for all phases of fitness and a wide variety of goals.

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