The whistle blew at the 12th minute of the 2019 NFL season opener, and the sound of cleats biting into turf was drowned out by the crack of a helmet-to-helmet collision. The player on the ground didn’t move. His teammates scrambled to form a shield around him, but the damage was already done—not just to his reputation, but to the delicate network of neurons in his brain. This wasn’t an anomaly; it was the culmination of decades where the effects of being tackled and kicked had been treated as an occupational hazard rather than a public health crisis. By the time he was stretchered off the field, the league’s concussion protocol had already been rewritten three times in the past five years, yet the question lingered: how many more players would it take to force a reckoning? Across the Atlantic, in a different kind of arena, a mixed martial arts fighter absorbed a flurry of kicks to the ribs during a title bout. The crowd roared, but the referee’s count reached ten before the fighter staggered back to his feet—only to collapse in the octagon minutes later, his spleen ruptured from the repeated impacts. The medical staff’s frantic work to stabilize him revealed something stark: the consequences of being tackled and kicked weren’t confined to football fields or boxing rings. They extended into the streets, where brawls and self-defense encounters left civilians with shattered bones and internal injuries that would haunt them for years. The fighter’s case became a case study in how poorly society understood the cumulative trauma of high-impact collisions, even outside of organized sport.

Where It All Began

The first systematic documentation of the physical toll of being tackled and kicked emerged in the late 19th century, when American football—then a brutal, unstructured brawl—began codifying rules to reduce fatalities. Early medical reports from Harvard and Yale described players with "punch-drunk" symptoms after repeated head trauma, though the term "concussion" wasn’t yet in common use. What doctors did document were cases of paralysis, memory loss, and even premature death among athletes who had survived multiple seasons of unchecked violence. The problem wasn’t just the single, catastrophic hit; it was the repetitive micro-trauma of being tackled weekly, year after year, with little understanding of how the brain absorbed force. By the 1920s, boxing had already faced scrutiny over its "punch-drunk" fighters, but football’s resistance to change was rooted in its cultural identity. The sport’s early boosters—including college presidents and military officers—framed tackling as a character-building exercise, a way to "toughen up" young men for war. The short-term effects of being tackled and kicked were visible: broken noses, sprained ankles, the occasional skull fracture. But the long-term damage—neurodegenerative diseases like CTE (chronic traumatic encephalopathy), which wouldn’t be identified until the 1990s—remained invisible. It took the deaths of players like Mike Webster, a Hall of Fame center whose family later fought for his brain to be studied, to force the medical community to confront what had been ignored for generations.

The Early Signs

The turning point came in 1962, when a study in the Journal of the American Medical Association linked football-related head injuries to permanent cognitive decline. Researchers examined veterans who had played college football in the 1930s and found alarming rates of dementia and Parkinson’s-like symptoms decades later. The findings were dismissed by many in the sports world, but they planted the seed for future research. Meanwhile, in the Soviet Union, military physicians were documenting similar patterns among soldiers trained in close-quarters combat—where being kicked or tackled during hand-to-hand drills led to chronic pain syndromes and post-traumatic stress. What made these early warnings particularly chilling was the realization that the impact of being tackled and kicked wasn’t just about the head. Joints—knees, ankles, shoulders—bore the brunt of the force in sports like rugby and American football, where players were taught to "drive with the legs." The rise of synthetic turf in the 1960s exacerbated the problem: harder surfaces increased the risk of anterior cruciate ligament (ACL) tears, which were once rare but now occur at rates of 1 in 3,000 athlete exposures in high school football alone. The medical establishment was slow to connect the dots, but the data was there—if anyone was willing to look.

The Turning Point

The moment the effects of being tackled and kicked became undeniable was 2002, when the NFL settled a lawsuit with former players over brain injuries, admitting that concussions were a "serious problem." The settlement, though controversial, forced the league to fund research into CTE and implement stricter concussion protocols. Around the same time, the military began revising its combat training after studies showed that soldiers who underwent repeated high-impact drills had higher rates of chronic pain and PTSD. The shift wasn’t just medical; it was cultural. Sports analysts started questioning whether the "glory" of tackling was worth the cost, and parents of young athletes began asking whether their children should play football at all.

"We used to think that if you could walk off the field, you were fine. Now we know that’s not true. The damage happens in ways you can’t see—until it’s too late." —Dr. Ann McKee, neuropathologist and lead researcher on CTE in athletes

The turning point wasn’t just about acknowledging the harm; it was about grappling with the ethical implications of being tackled and kicked as a societal norm. In 2015, the World Health Organization classified repeated head trauma as a public health priority, and by 2020, even youth football leagues in the U.S. were phasing out full-contact practices for children under 14. The question remained: could the damage already done ever be undone?

The Build-Up, Year by Year

Period	Key Developments
1970s–1980s	NFL introduces helmet standards (though early designs prioritized style over safety). First documented cases of CTE in boxers and football players, but research is limited to autopsies. Military adopts "combat sports" training, increasing exposure to kicks and throws in basic combat training.
1990s–2000s	Concussion awareness grows after high-profile cases (e.g., NFL players like Steve McNair). First imaging studies (MRI/fMRI) show brain changes in athletes with repeated head trauma. Martial arts communities begin tracking long-term joint damage from kicks (e.g., Thai boxing’s "shin conditioning" leading to stress fractures).
2010s–Present	NFL concussion protocol becomes mandatory; helmet technology evolves (e.g., Riddell’s SpeedFlex design). CTE diagnosed in living athletes via advanced PET scans (though debate persists over accuracy). Military shifts to "low-impact" training drills; civilian self-defense programs adopt "controlled contact" methods.

Lessons From the Journey

• The brain doesn’t recover like a sprained ankle. Even "mild" concussions from being tackled can trigger cumulative damage over decades, with symptoms emerging years later.
• Joint injuries from kicks and tackles often go untreated until they become chronic. Many athletes retire with early-onset osteoarthritis.
• The psychological effects of being tackled and kicked—fear of re-injury, anxiety about future health—are as debilitating as the physical scars.
• Cultural resistance to change has slowed progress. Sports traditions die hard, even when the science is clear.
• Prevention is now the focus: better helmets, modified training, and early intervention for symptoms like dizziness or memory lapses.

Where Things Stand Today

Today, the medical consensus on being tackled and kicked is unequivocal: the risks outweigh the benefits for many participants. The NFL’s concussion settlement fund has paid out over $1 billion to former players, though critics argue it’s a drop in the bucket compared to the league’s revenue. Meanwhile, grassroots movements like "Heads Up Football" are pushing for safer practices in youth sports, but adoption remains inconsistent. In martial arts, organizations like the UFC have implemented stricter weight-class rules and medical screenings, but underground fight clubs still operate with little oversight. The military has made strides in reducing high-impact training, but soldiers in close-quarters combat still face significant risks. The real challenge lies in translating these lessons to civilian life—where brawls, workplace accidents, and even poorly executed self-defense maneuvers can leave people with injuries indistinguishable from those of professional athletes. The modern understanding of being tackled and kicked is no longer about accepting the risks; it’s about mitigating them before they become irreversible.

Conclusion

The story of the effects of being tackled and kicked is one of delayed reckoning. For decades, society romanticized the collision as a rite of passage, a test of courage. But the science has caught up, and the cost—measured in ruined careers, shattered families, and lives cut short—is finally being tallied. The question now isn’t whether the risks are real; it’s whether the institutions that profit from these collisions will prioritize safety over tradition. Change is happening, but it’s uneven. Some sports have embraced innovation; others cling to the past. The military’s approach to training is evolving, but civilians still lack access to the same level of medical oversight. And for those who’ve already paid the price—whether they’re retired athletes, veterans, or everyday people caught in the wrong place at the wrong time—the damage remains. The lesson is clear: the impact of being tackled and kicked isn’t just a medical issue. It’s a moral one.

Comprehensive FAQs

Q: Can you get long-term damage from a single tackle or kick?

A: While a single tackle or kick rarely causes permanent damage, high-impact collisions can trigger micro-traumas that accumulate over time. Even a "mild" concussion or joint strain can set off a cascade of issues—like chronic inflammation or nerve damage—that worsen with age. The risk increases with frequency and force, but there’s no safe threshold.

Q: Are some sports safer than others when it comes to being tackled and kicked?

A: Generally, yes. Sports with lower collision frequencies (e.g., soccer, tennis) carry less risk than those with repeated high-impact plays (e.g., American football, rugby). However, even "non-contact" sports like boxing or MMA involve significant kicking/tackling risks. The key factors are helmet use, surface hardness, and rule enforcement.

Q: How do military training drills compare to sports in terms of injury risk?

A: Military close-quarters combat training often involves more unstructured, high-impact drills than regulated sports. Soldiers may be tackled or kicked repeatedly in stress tests, with less medical oversight than in professional leagues. However, modern militaries are shifting to "low-impact" simulations to reduce joint and head trauma.

Q: Can you prevent joint damage from being tackled or kicked?

A: Prevention focuses on proper technique, conditioning, and equipment. Strengthening muscles around joints (e.g., hamstrings for ACL protection) and using padded gear (e.g., shin guards in martial arts) can help. Avoiding "heading" in soccer or spearing tackles in football also reduces risk. But no method is 100% effective—injury is still possible.

Q: What are the earliest signs that someone has suffered from repeated tackles or kicks?

A: Early warning signs include:

• Persistent headaches or dizziness after collisions.
• Memory lapses or difficulty concentrating.
• Joint pain that doesn’t improve with rest (e.g., knee or shoulder discomfort).
• Mood changes (irritability, depression) linked to training.
• Balance issues or "ringing in the ears" post-impact.

If these symptoms occur, medical evaluation is critical—even if the person feels "fine" afterward.

Q: Are children more vulnerable to the effects of being tackled and kicked?

A: Yes. Children’s brains and joints are still developing, making them more susceptible to long-term damage from collisions. Studies show that youth football players have higher concussion rates per game than adults, partly because their neck muscles—which absorb impact—are weaker. Many leagues now limit full-contact drills for players under 14.

Q: What should someone do if they’ve been tackled or kicked and feel "off"?

A: Follow the ACL protocol (if joint-related) or concussion guidelines (if head-related):

• Stop activity immediately and avoid physical exertion.
• Seek medical attention if symptoms (nausea, confusion, pain) persist beyond 24 hours.
• Report the incident to a coach, trainer, or supervisor—even if it seems minor.
• Monitor for delayed symptoms (e.g., personality changes, sleep disturbances).

Never return to play or training until cleared by a professional.