Preventing head injuries in football requires a combination of better equipment, safer technique, stronger neck muscles, and smarter practice structure. No single change eliminates the risk, but layering these strategies together meaningfully reduces both the frequency and severity of head impacts at every level of play.
Choose a Top-Rated Helmet
Not all football helmets offer the same protection. Virginia Tech’s Helmet Lab tests helmets using a system that measures how well each model reduces both linear and rotational head acceleration from impacts typical in football. They’ve evaluated 38 varsity helmets and rate each on a five-star scale. The top performers as of recent testing are the LIGHT Apache (ranked first), VICIS ZERO2 TRENCH (second), Xenith Orbit PRO (third), LIGHT Gladiator ATK (fourth), and the VICIS ZERO2 (fifth), all earning five-star ratings. A helmet rated four or five stars is the minimum recommendation.
Beyond the helmet itself, soft-shell helmet covers like the Guardian Cap have shown real results. After the NFL required certain position groups to wear the Guardian Cap NXT during preseason practices, concussion rates among those players dropped by 54% to 62%. Lab testing confirms the caps reduce head acceleration on impact compared to a bare helmet. They look a bit unusual, but the data is hard to argue with, especially for practices where repeated contact accumulates over weeks.
Learn Shoulder-Led Tackling
The single most important technique change is removing the head from the point of contact. Programs like USA Football’s Heads Up initiative teach a vertical, shoulder-first tackling style built around a few core principles: keep your head up with eyes on the target, position your head across the front of the ball carrier (outside the contact zone), and make first contact with the front of the shoulder rather than the crown of the helmet. The ideal trunk angle at contact is between 35 and 55 degrees relative to the ground.
Research on youth players trained in this style found that it reduced the number of head accelerations above dangerous thresholds during tackling. One key detail: shortening your step length before contact matters more than most coaches realize. Players who failed to reduce their step length to less than 75% of their standing pelvis height had significantly higher odds of experiencing head impacts above 10, 15, and even 20 g’s. Slowing the body before the tackle gives the tackler more time to set up proper form and reduces the overall force involved in the collision.
These techniques can be taught in a single focused session, but they need reinforcement throughout the season. Coaches who drill proper form weekly see better long-term adoption than those who cover it once in preseason and move on.
Build Neck Strength
A stronger neck helps stabilize the head on impact, reducing how much it accelerates in any direction. Training programs for high school football players that target four directions of neck movement (forward flexion, backward extension, and lateral flexion to both sides) have produced strength gains of 11% to nearly 20% across all four directions in a single season. The connection between neck strength and reduced concussion rates isn’t conclusively proven yet, but the early results are promising, and the logic is straightforward: a head that moves less on impact transfers less force to the brain.
Neck strengthening doesn’t require special equipment. Resistance band exercises, manual resistance from a partner, and isometric holds all work. The key is consistency, training the neck two to three times per week throughout the season rather than only during the offseason.
Limit Contact in Practice
Most head impacts in football happen during practice, not games, simply because there are far more practice hours in a season. Pop Warner, the largest youth football organization, now limits contact to one-third of any practice session, including scrimmages and full-speed drills. They’ve also banned full-speed, head-on blocking and tackling drills where players start more than three yards apart, which eliminates the highest-velocity collisions from practice entirely.
High school and college programs have adopted similar restrictions. The principle is the same at every level: reducing the total number of hits to the head over a season is just as important as reducing the severity of any single hit. Coaches can replace full-contact reps with walk-throughs, positional drills against bags, and film study without sacrificing tactical preparation.
Why Subconcussive Hits Matter
Concussions get most of the attention, but the hundreds of smaller hits that never produce obvious symptoms may pose their own long-term risk. These subconcussive impacts can alter the brain’s microstructure without causing any symptoms a player or trainer would notice. Early evidence links the accumulation of these hits to memory problems, cognitive impairment, depression, and brain changes resembling those seen in neurodegenerative diseases like dementia and Parkinson’s.
This is especially relevant for linemen. Offensive and defensive linemen collide on nearly every play, absorbing frequent low-magnitude impacts from close range. Skill position players like running backs and defensive backs experience fewer total hits but at higher speeds and greater forces. The result is different risk profiles: linemen accumulate more subconcussive exposure over a season and report more post-impact symptoms than other positions, even when they’re never diagnosed with a concussion. Skill players are more likely to sustain the single high-force impact that causes a diagnosed concussion.
Understanding this distinction matters for prevention. Linemen benefit most from Guardian Caps, limited contact practice, and helmets optimized for repeated moderate impacts. Skill position players benefit most from proper tackling technique and helmets designed to handle high-velocity collisions.
Rule Changes That Reduce Collisions
The NFL’s 2024 “dynamic kickoff” rule redesigned one of the most dangerous plays in football. Comparing the 2024 season to 2022, concussion rates on kickoffs dropped by 23%. The new format reduces the distance and closing speed between coverage and return teams, which directly lowers impact forces. Youth and high school leagues have adopted their own versions of kickoff modifications and fair-catch rules based on similar reasoning.
Rules targeting specific types of hits, such as penalties for leading with the crown of the helmet and prohibitions on blindside blocks, have also contributed to gradual reductions in head injuries across all levels. These rules work best when officials enforce them consistently and when coaches teach players to comply with them as part of normal technique rather than treating penalties as occasional bad luck.
Recognizing a Concussion Early
Prevention also means catching concussions quickly so they don’t become worse injuries. The current standard for sideline evaluation is the Sport Concussion Assessment Tool (SCAT6), which checks for observable warning signs: lying motionless, falling without bracing, stumbling or slow movements, confusion, a blank stare, or a seizure after impact. The evaluation also tests coordination (finger-to-nose with eyes open and closed), eye movement (tracking side to side and up and down without double vision), and memory through simple questions like “What venue are we at today?” and “Who scored last?”
If a concussion is suspected, the player should not return to play that day. The CDC’s six-step return-to-play progression starts with a return to normal daily activities like school, then moves through light aerobic exercise, moderate activity with head movement, heavy non-contact drills, full-contact practice, and finally competition. Each step takes a minimum of 24 hours, and any return of symptoms means stepping back to the previous stage. Rushing this process is one of the most common and avoidable mistakes in football at every level.