The science of athletic performance was built predominantly on male subjects. For decades, researchers studying exercise physiology, injury mechanics, nutrition science, recovery protocols, and psychological performance used male athletes as their default subjects — and often explicitly excluded women from studies, citing the complexity of hormonal variation across the menstrual cycle as a methodological inconvenience. The result is a sports science knowledge base that is comprehensive and well-validated for male athletes and significantly thinner for female athletes. The female athlete research gap is not a fringe concern. It is one of the most consequential structural failures in modern sports science, and it affects every woman who competes at any level.
For Caribbean women athletes — who have produced extraordinary champions in track and field, netball, swimming, and other disciplines while receiving less institutional support than their male counterparts — this research gap compounds existing inequality. Caribbean women athletes are competing on science that was not built for them. They are being coached by programmes that apply research findings derived from male physiology to female bodies. And they are sustaining injuries, plateauing in development, and underperforming their potential at rates that better science could reduce.
The Scale of the Problem
The evidence for the female athlete research gap is not subtle. A 2021 systematic review published in the British Journal of Sports Medicine found that women were significantly underrepresented in sports science research across every major subdiscipline: exercise physiology, nutrition, injury science, psychology, and performance analysis. In many studies of injury mechanisms, women were actively excluded from samples to avoid the confounding effects of hormonal variation — a decision that guaranteed the resulting science would be inapplicable to them.
In exercise physiology, the foundational models of cardiovascular response to training, strength adaptation, and aerobic capacity development were built on male data. In sports nutrition, the landmark studies on carbohydrate loading, protein synthesis, and energy availability that underpin most nutritional protocols used in elite sport were conducted almost exclusively on men. In injury science, the ACL rupture research — one of the most clinically important areas of sports medicine — only seriously began including female subjects when it became undeniable that ACL injury rates in women were dramatically higher than in men and the male-derived models could not explain it.
The problem is not that researchers were deliberately biased against women. The problem is that male athletes were treated as the default human, and research on athletes defaulting to males meant that the knowledge base grew asymmetrically. The result, accumulated across decades, is a science that fits men well and fits women poorly.
The ACL Injury Crisis: A Case Study in Research Failure
Female athletes tear their anterior cruciate ligaments at two to eight times the rate of male athletes in the same sports. This is one of the most well-documented injury disparities in all of sports medicine. For years, researchers and clinicians attributed the difference to anatomical factors — the wider pelvis increasing the Q-angle of the knee, the narrower intercondylar notch in the femur creating less space for the ACL. These are real factors, but research over the past two decades has shown that they do not fully explain the disparity.
Hormonal variation across the menstrual cycle — specifically the relaxin and estrogen fluctuations in the pre-ovulatory phase — significantly affects ligament laxity and neuromuscular control patterns that protect the knee. Female athletes in the first half of their menstrual cycle are measurably more vulnerable to ACL injury than in the second half, and the magnitude of this effect is large enough to be clinically meaningful for training load management and competition scheduling.
This finding was only possible because researchers finally began including female subjects and female-specific variables in ACL injury studies. Had the research community continued treating men as the default, the hormonal contribution to ACL injury risk in women would have remained unknown, and the preventable injuries it causes would have continued. The lesson is clear: research gaps are not abstract inequities. They cause real harm to real athletes.
For Caribbean women athletes — who often train and compete without access to sports medicine professionals who are aware of these findings — the ACL research gap is an active threat. Netball is one of the highest ACL-injury-rate sports for women globally. Caribbean netball is a world-class discipline. But how many Caribbean netball programmes adjust training intensity and competition scheduling around menstrual cycle phase? How many coaches and sports science practitioners working with Caribbean women athletes have been trained in cycle-informed load management? The answer, in most cases, is very few.
The Nutrition Research Gap and Relative Energy Deficiency in Sport
The most common nutritional pathology in female athletes is not excess. It is deficiency. Relative Energy Deficiency in Sport (RED-S) — formerly called the "female athlete triad" — is a condition in which an athlete's energy intake is chronically insufficient to support both the demands of training and the body's normal physiological functions. The consequences are severe: hormonal disruption, loss of bone density, impaired immune function, increased injury risk, and reduced cardiovascular and cognitive performance.
RED-S is significantly more prevalent in female athletes than in males, partly because of the different physiological consequences of energy deficiency in female versus male bodies, partly because of cultural pressures related to body composition that are more intense for women in many sports, and partly because the syndrome was simply not recognised or studied until recently. The early research on the female athlete triad in the 1990s was a significant advance, but the broader syndrome of RED-S and its full range of performance and health consequences is still poorly understood by most coaches and sports science practitioners.
Caribbean women athletes face specific nutritional challenges that compound the research gap. Training in hot and humid environments, managing the caloric demands of multiple training sessions per day in sports like netball and athletics, having access primarily to food systems that may not provide optimal micronutrient density for athlete recovery — all of these factors interact with the underlying research deficit on female athlete nutrition. Sports nutrition protocols developed in European or North American settings on male-majority research samples and then applied wholesale to Caribbean female athletes is not sports science. It is guesswork with a scientific-sounding label.
The Menstrual Cycle as a Performance Variable
Elite female athletes and their coaches have long known anecdotally that performance fluctuates across the menstrual cycle. Sports science is now providing the mechanistic explanation for what athletes have always experienced. Research shows that strength, power, endurance, injury risk, thermoregulation efficiency, nutritional requirements, psychological state, and recovery rates all vary in measurable and predictable ways across the four phases of the menstrual cycle.
The follicular phase (days one through fourteen, from menstruation onset to ovulation) is generally associated with higher pain tolerance, better strength and power output, faster recovery, and more positive psychological states. The luteal phase (days fifteen through twenty-eight) is associated with increased core temperature (affecting thermoregulation in heat), greater carbohydrate oxidation (affecting nutritional strategy), changes in ligament laxity, and in some athletes, reduced motivation and elevated perceived exertion.
The practical implication is significant: female athlete training programmes that ignore menstrual cycle phase are less effective than they could be, and potentially more harmful. The most sophisticated elite women's sports programmes in Europe and North America are now implementing cycle-informed periodisation: structuring training intensity, volume, and recovery around the athlete's individual hormonal profile rather than applying a generic programme template regardless of physiological state. Caribbean women athletes deserve the same approach, and Caribbean sports science programmes need the research foundation to support it.
Concussion and Head Injury: Another Understudied Disparity
Female athletes sustain concussions at higher rates than males in comparable sports, experience more severe symptoms, and take longer to return to play after concussion. These disparities are now well-documented. The mechanisms behind them — differences in neck musculature strength, hormonal factors, and potentially differences in baseline neurological connectivity — are still being actively researched.
The consequence is that concussion assessment and management protocols developed on male-majority research samples may systematically underestimate concussion severity in female athletes and return them to play before full neurological recovery. In a region where women's football, netball, and athletics participation is growing, and where concussion management infrastructure is already limited, applying male-derived concussion science to female athletes is a significant medical risk.
What Caribbean Sports Organisations Must Do
The female athlete research gap cannot be closed overnight by any individual Caribbean sports organisation. Closing it requires a coordinated global research effort that includes more female subjects, more female researchers, and more funding for female-specific sports science questions. That advocacy is important and Caribbean sports scientists, policymakers, and sports organisations should actively support it.
But within what is already known, Caribbean sports organisations can and must do better immediately. This means implementing cycle-informed training periodisation for female athletes wherever coaches and athletes have the knowledge and willingness to do so. It means training coaches and sports science practitioners to recognise and respond to RED-S. It means applying the existing ACL injury prevention protocols — neuromuscular training programmes that have been shown in research to reduce ACL injury rates by 50 percent or more — as standard practice in women's netball, football, and other high-risk sports.
It means not applying generic (male-derived) nutrition protocols to female athletes without adaptation. It means creating concussion assessment pathways that acknowledge gender differences in symptom presentation. And it means collecting data on Caribbean female athletes systematically, building the regional evidence base that currently does not exist and that Caribbean women athletes deserve.
How AI Can Help Bridge the Gap
AI systems trained on female-specific data can provide a partial bridge between the current research deficit and the practical needs of female athletes. SportsBrain's work in women's sports science is focused on building AI models that incorporate the variables specific to female physiology — cycle phase, hormonal profile, bone density markers, and nutritional status indicators — into the performance and health monitoring systems available to Caribbean women athletes.
The platform does not manufacture female-specific research that does not yet exist. But it does integrate the best available female-specific evidence into its recommendations, ensures that its models do not simply apply male-derived baselines to female athletes, and actively collects data from female athlete users that can contribute to building a Caribbean-specific evidence base over time. Every female Caribbean athlete who trains with data-driven support is simultaneously contributing to the research base that will better serve the next generation of Caribbean women in sport.
The Stakes for Caribbean Women in Sport
Caribbean women are extraordinary athletes. The history of Caribbean athletics, netball, and track and field is studded with world-class female performers who achieved their success despite, rather than because of, the scientific and institutional support available to them. What Caribbean women athletes might achieve with sports science genuinely built for their physiology — with training programmes informed by their hormonal profiles, nutrition science calibrated to their specific needs, injury prevention protocols validated on female populations, and mental performance support designed for the psychological pressures unique to women in competitive sport — is a compelling question.
Closing the female athlete research gap is not just a matter of scientific fairness, though it is unambiguously that. It is a matter of competitive performance. The countries and sports programmes that invest seriously in female-specific sports science in the coming decade will develop women athletes who are more capable, healthier, and more resilient than those who continue to train on male-derived science. The Caribbean has the talent and the athletic heritage to lead this transition. What it needs is the research commitment, the coaching education, and the AI-powered data infrastructure to make it real.