In 2018, during the tournament in Russia, people argued that it would be the final World Cup for Lionel Messi and Cristiano Ronaldo. Four years later in Qatar, the same narrative returned almost word for word. Yet when 2026 arrived, the sporting veterans stepped onto the field without falling behind their younger teammates. The shifting age limit in elite sports has meant that the farewells everyone has long expected continue to be postponed.
The Physiology of Aging: What Happens to an Athlete’s Body?
Until recently, a professional footballer at the age of 35 was preparing for a well deserved retirement. This was because peak physical abilities, such as speed, aerobic capacity, and explosive strength, usually occur between the ages of 25 and 28. After that, biology gradually begins to push back, and the natural processes of aging move to the forefront:
- Sarcopenia: Over time, the body naturally loses muscle tissue, first shedding its “fast twitch” fibers. These are responsible for rapid acceleration, powerful bursts toward the ball, and explosive strength on the field.
- Reduced aerobic capacity (VO2 max): With each decade, natural aerobic capacity declines by several percent. This makes it more difficult to maintain a consistently high level of work by the lungs and heart throughout the full 90 minutes of a match.
- Longer tissue repair time: Cellular processes become less efficient. A match from which a 20 year old fully recovers in just two days may require as much as three or four days of rest for a player who is a decade older.
- Mechanical wear of the joints: Cartilage, menisci, and ligaments must withstand the effects of years of accumulated microinjuries. This significantly increases susceptibility to chronic pain and inflammation.
Modern science cannot stop time completely, but it has found effective ways to significantly slow all of the processes listed above and reduce their impact on the final result.
A New Generation of Veterans at the 2026 World Cup
The shifting age limit was clearly visible across many national teams during the recent World Cup. Among the oldest players, as many as eight had passed the age of 40. On the field, we watched, among others, 40 year old Luka Modrić and his peer Edin Džeko. The Bosnian striker consciously modified his style of play. He reduced the number of long sprints toward the end line and focused instead on calm positioning in the penalty area. This allowed him to preserve his strength for key duels with much younger defenders.
The absolute phenomenon of this year’s World Cup was 40 year old Vozinha, goalkeeper for the Cape Verde national team. His path to the highest level of sport was highly unusual. He began his professional career relatively late, at the age of 25. Fifteen years later, with four decades behind him, he made his debut at his country’s first World Cup in history.
From a medical perspective, this delayed start in professional sport proved to be a major advantage. Avoiding the demanding rigor of youth academies during a key phase of growth protected his joints from the typical accumulation of mechanical fatigue. His musculoskeletal system absorbed significantly fewer mechanical loads during crucial years of life than those of his peers. A mature nervous system also helped him on the field. Brain plasticity trained over many years allowed him to read the trajectory of the ball quickly.
In the case of the Cape Verdean hero, commentators also point to another highly important factor: his enormous motivation to represent his homeland and place it on the global football map. Recent research suggests that a strong sense of purpose can influence our biology. People who know why they get up in the morning have significantly fewer proinflammatory proteins in their blood, cope very well with stress, and simply become ill less often. A deep sense of purpose literally extends our healthspan, the years lived in full health and strength.
Two Paths to Longevity: The Ronaldo and Messi Protocols
When summarizing the form of football veterans, it is impossible to overlook the two most important figures: Lionel Messi and Cristiano Ronaldo. An analysis of their performances shows that maintaining elite performance after the age of 35 can be based on different philosophies and different protocols recommended by specialists.
Of course, at this level of sport, neither of them neglects any aspect. Both rigorously follow balanced diets and use the most advanced forms of recovery. Yet the foundations and defining features of their physical condition perfectly illustrate two different schools of caring for the body.
The Human Machine: How Cristiano Ronaldo Defies His Age
Cristiano Ronaldo’s approach is based on constant stimulation of the body and strict recovery protocols. For years, the Portuguese player has worked with sleep performance specialist Nick Littlehales. Instead of traditional, uninterrupted rest at night, he follows a polyphasic sleep model, dividing the day into five precisely scheduled 90 minute nap cycles1. The goal is to continuously reduce cortisol levels and activate the brain’s glymphatic system, which regularly clears neural tissue of metabolic waste produced by match related stress.
Cryotherapy is an equally important part of his post exercise routine. CR7 regularly uses cryogenic chambers, exposing his body to temperatures as low as minus 160°C. The rapid constriction of blood vessels immediately reduces inflammation in the muscles and noticeably shortens the time required for tissue recovery.
La Pulga and Movement Optimization
Lionel Messi, by contrast, represents a model based on biomechanical optimization and individualized nutrition. A breakthrough in his career came after he began working with Italian sports medicine specialist Dr. Giuliano Poser. The physician completely restructured the Argentine player’s diet, eliminating foods that caused chronic microinflammation in the intestines and soft tissues. Refined sugar, processed wheat flour, dairy products, and excess red meat disappeared from the menu. His diet became based on water, olive oil, whole grains, fresh vegetables, and antioxidant rich yerba mate, which neutralizes oxidative stress.
On the field, Messi also uses extreme economy of movement. In the first two matches of this year’s tournament, he covered only a little more than seven kilometers in total, spending much of the time walking. He scanned the space and conserved energy exclusively for key moments, which proved enough for Argentina to overcome one opponent after another.
The culmination of this remarkably intelligent energy management came in the 2026 World Cup final. Although many doubted his endurance, the 39 year old star managed to play the full, exceptionally demanding 120 minutes against Spain. His body structure helped him. His low center of gravity, at 169 cm tall, created a shorter mechanical lever, meaning his joints absorbed significantly lower forces during sudden changes of direction2.
Science in the Service of Recovery: What Happens in Locker Rooms and Clinics?
Intelligent energy management on the field alone, however, is not enough to maintain match intensity every few days. The high performance of veteran footballers now depends on specific clinical procedures and recovery methods. One of the main tools used to accelerate recovery is hyperbaric oxygen therapy. After matches, players spend time in special chambers where they breathe pure oxygen under increased pressure. This treatment saturates the blood plasma, allowing oxygen to reach the deepest microinjuries in muscle tissue and effectively reduce inflammation3.
Another pillar is modern cellular therapy. Instead of relying on invasive surgery or powerful painkillers, sports physicians use platelet rich plasma obtained by centrifuging the player’s own blood. This preparation, rich in natural growth factors, is injected around overloaded cartilage and tendons, stimulating the body to repair worn joint structures more quickly on its own4.
These clinical procedures are supplemented by daily preventive diagnostics based primarily on monitoring heart rate variability, or HRV. This allows medical teams to assess the level of fatigue in a player’s central nervous system with great precision and, when necessary, reduce the intensity of training on days when the body is less prepared5.
Fascial Training: Why Veterans Avoid Heavy Weights
Another important change in the approach to older players is the redefinition of training itself. Today’s veterans rarely spend long hours performing traditional heavy weightlifting. Building excessive, heavy muscle mass at this age often leads to a loss of flexibility, which is one of the shortest routes to dangerous muscle tears.
Strength and conditioning specialists now focus on training the fascial system. By working with elastic resistance bands, footballers teach their bodies to absorb impact smoothly. Properly strengthened connective tissue acts like a shock absorber. It stores impact force while running and releases it during acceleration, naturally reducing the load on the muscles themselves. This type of prevention is now considered essential for avoiding serious injuries that can remove a player from competition6.
Conclusions
This year’s World Cup demonstrated that age in elite sport is no longer a rigid limitation. The daily collection and analysis of physiological data, medicine, tactical intelligence, and investment in recovery make it possible to extend careers to an unprecedented degree. Instead of forcing themselves into premature retirement, today’s veterans simply adapt to new conditions. Through their own example, they prove that calm and conscious management of the body’s resources can be far more important on the field than constant running and youthful flair.
- https://www.beinsports.com/en-us/soccer/articles/cristiano-ronaldo-and-the-secret-behind-his-longevity-the-routine-that-keeps-him-young-at-41-2026-02-05 ↩︎
- https://www.gulfphysio.com/the-physiology-behind-messis-longevity-at-39/ ↩︎
- https://pubmed.ncbi.nlm.nih.gov/33206062/ ↩︎
- https://www.btitrainingcenter.com/en/platelet-rich-plasma-in-hamstring-muscle-injuries-in-professional-soccer-players-a-pilot-study/ ↩︎
- https://pubmed.ncbi.nlm.nih.gov/28886966/ ↩︎
- https://www.mdpi.com/2411-5142/10/1/48 ↩︎
