2
Through the Female Lens
Part Two of Five

Understanding
the player:
biology, brain
& belonging

What happens inside the player — and how understanding it changes everything about how we coach, scout and develop her.

Mirelle van Rijbroek  ·  2026

The female lens begins
with the player herself

Not just the footballer. The person. The biology she lives in. The brain she is developing. The social and emotional landscape she navigates every day — long before she arrives at the training pitch.

This section is not asking football people to become biologists or psychologists. It is asking them to be informed enough about the female developmental experience that they can read what they see more accurately. A player doesn't need her coach to have a degree in endocrinology. She needs her coach to understand, at a practical level, that what she is going through biologically has implications for what she shows in training, how she responds to feedback, and what kind of support will actually help her develop.

The more clearly the people around a female player understand the world she is living in, the more accurately they can interpret what they see — and the better the decisions they will make about her future.

Biology: growing differently

Start with something concrete: ACL injuries. Female athletes are estimated to be three to six times more likely to suffer an ACL injury than male athletes. Three to six times. That is not a minor statistical variation. That is a fundamental biological reality — rooted in anatomy, hormonal influences on ligament laxity, and neuromuscular differences — that should be reshaping how we design training programmes, manage load, and think about long-term player health.

And yet in most environments, training programmes are still built on frameworks developed for male athletes. Load management protocols, physical benchmarks, recovery timelines — much of it adapted from the men's game and assumed to transfer. It does not.

01
Puberty Timing
Girls typically enter puberty earlier — between ages 9–13. The physical, hormonal and neurological changes that follow are faster and broader in their effects on performance, coordination and emotion.
02
Hormonal Fluctuation
The menstrual cycle affects energy, strength, recovery, injury risk and mood — often significantly. Most training and competition programmes are not yet designed around this reality. Most still ignore it entirely.
03
Growth & Maturation
Physical changes can temporarily disrupt coordination and movement patterns. A player who looks less dynamic at 13 may simply be adapting to a rapidly changing body — not declining in potential. Read the stage before reading the performance.
04
Injury Risk
Female athletes face 3–6× higher ACL injury risk. Linked to anatomy, hormonal influence on ligament laxity and neuromuscular differences. This alone should change how we design training, manage load and make long-term development decisions.

The body changes shape, mass, and centre of gravity. Coordination that felt natural can temporarily become effortful as the player learns to move in a body that changed dramatically in the last six months. The physical intelligence she built over years of play was constructed around a body that no longer exists in quite the same form. She is not regressing. She is recalibrating.

But to someone watching without that understanding, recalibration looks like plateau. And plateau, in talent identification, too often becomes the last entry in a player's file.

We cannot assess a 14-year-old girl using frameworks built for a 14-year-old boy. The biology is different. The lens must be different.

Mirelle van Rijbroek
For coaches and scouts

When a player's performance drops, ask first what is happening biologically before you ask what is happening mentally or technically. Context changes the interpretation entirely.

The developing brain:
what it tells us

Football people love to talk about game intelligence, reading the game, and making good decisions under pressure. Here is what we don't talk about enough: all of those qualities are rooted in the brain. And the brain is still developing actively throughout adolescence and into the early twenties.

What we see in a 14-, 15-, or 16-year-old player is a snapshot of a brain mid-construction — not a finished product. The parts of the brain responsible for executive function — decision-making, planning, impulse control, risk assessment — are among the last to fully develop.

Executive Function
STILL DEVELOPING IN ADOLESCENCE
Decision-making, planning, impulse control, game reading. In girls, some develop earlier — but the full picture is more nuanced than a simple head start.
Emotional Regulation
HEIGHTENED SOCIAL SENSITIVITY
Adolescent girls often experience stronger responses to social feedback. A player who seems fragile under pressure may be showing a neurological reality — not a character flaw.
Fear of Failure
SOCIALISED, NOT INNATE
Girls are often socialised to avoid failure more strongly. A player who plays conservatively may not lack courage — she may lack a safe environment to fail without consequence.
Game Reading
STAGE-DEPENDENT
How a player scans, anticipates, and positions herself must be assessed with developmental stage in mind — not compared to an adult standard.
Feedback Processing
RELATIONAL
Girls tend to process feedback relationally. A coaching relationship built on trust and psychological safety produces far more learning than one built on authority alone.

Adolescent girls tend to have a heightened sensitivity to social threat — to criticism, rejection, comparison, and exclusion. In environments where mistakes feel dangerous, the adolescent female brain will often respond by pulling back. Becoming more cautious. More conservative. More risk-averse.

What does that look like on the pitch? A player who holds back when she should go. Who passes when she should shoot. Who does not make the incisive run that, on other days, in other environments, she has shown she can make. Who does not ask for the ball in the moments that matter.

If you watch that player and conclude she lacks ambition, confidence, or game intelligence — you are misreading a neurological and environmental reality as a character assessment. That misreading costs her an opportunity. It may cost her a career.

A player who doesn't feel safe will not take the decisions that show you who she really is.

Mirelle van Rijbroek

The confidence drop —
the most misread moment

There is a moment in many female players' development that, if you know to look for it, tells you almost everything about what the environment around her is doing. It usually happens somewhere between 11 and 14.

The player who was bold — who played with joy and expression, who shot when she should shoot, who tried things that did not always work — begins to recede. She becomes more careful. More watchful. More focused on not making mistakes than on making things happen.

Research shows that girls experience a significant drop in confidence during early adolescence — steeper, on average, and longer-lasting than the equivalent dip in boys. The social world around a girl at this age has become more complex, more judgmental, and more loaded with consequences for stepping out of line.

That confidence drop shows up directly in how she plays. She passes when she should shoot. She pulls out of challenges she would have committed to a year earlier. She adjusts her game to be safer, less exposed. If you assess her as a player during this phase, you are seeing a version of her shaped by social-emotional pressure — not a true reflection of her ceiling.

The reality
The confidence drop is real

Girls experience a significant drop in confidence during early adolescence — often steeper and longer-lasting than boys. It directly affects how players show up and how visible their talent becomes.

The impact
Belonging shapes performance

Feeling like they belong — in a team, in a club, in the sport — is closely tied to motivation, effort and expression. A player who feels like an outsider will not perform at her ceiling.

The mechanism
Mistakes are processed socially

An environment that handles mistakes with clarity, compassion and without shame unlocks learning. One that doesn't produces players who play not to fail — rather than to win.

The accelerator
Self-determination matters

Players who feel genuine ownership over their development — with voice, choice and real investment in their journey — develop faster and more sustainably than those simply managed through a system.

What this means for coaches

High standards held inside genuine belief — that is the environment that works. Players need to know they are believed in. They need to know that trying and failing is not the end of the conversation. That knowledge is what allows them to play at the edge of their capability.

Mental health is not
separate from performance

Female athletes report significantly higher rates of anxiety, depression, disordered eating and burnout than their male counterparts. This is not a welfare concern separate from performance. It is a performance concern inseparable from welfare.

A player who is struggling mentally is not showing her ceiling. She is showing her current state. Those are two completely different things. And they require two completely different responses. The talent identification decision — what is her ceiling? — cannot be made accurately without understanding the second question: what is her current state?

What does mental health struggle look like in a female player? It can look like a player whose performance drops without a clear technical or physical explanation. A player who works extremely hard but consistently cannot access her quality when the stakes are high. A player who becomes withdrawn in training — not disengaged, but guarded. A player who leaves the game suddenly, without a clear football reason, and nobody in the system quite understands why.

Female athletes navigate high-performance sport in a context that has not always been designed to support them. They often do so with thinner support systems than male athletes at the same level.

The skill required of coaches, scouts and leaders in this space is not solving. It is noticing. Noticing when something is not right. Knowing what support structures exist. Knowing when to refer. Knowing how to have a conversation that opens a door rather than closing one. These are not clinical skills. They are human skills. And they are part of the job.

Player welfare and player development are not separate priorities. They are the same priority.

Mirelle van Rijbroek

A female team is not a male team
with women in it

The dynamics of how a female team functions — how trust is built and broken, how conflict moves through a group, how leadership emerges, how culture is created — follow patterns worth understanding explicitly rather than discovering by accident.

In female environments, relationships are the foundation of team function. Trust, respect, and authentic connection are not nice extras that make the environment pleasant. They are the infrastructure of performance. When those relational foundations are solid, a female team can sustain extraordinary pressure, navigate setbacks, and perform consistently in high-stakes environments. When they are cracked or absent, the consequences show up on the pitch — often faster, and more obviously, than in male environments.

One of the characteristics of female team dynamics that coaches sometimes find surprising is that relational fractures do not always stay personal. They enter the pitch. A tension between two players that seems manageable in a meeting room can play out in how the team moves in transitions, how players communicate under pressure, whether the right calls are made in decisive moments. In female environments, these tensions can build slowly and quietly over months — and then surface suddenly, at a moment when the team can least afford them.

Relationships
The foundation — not an extra
Communication style
Direct, honest, relational
Leadership
Collective — not one voice
Conflict handling
Handled well = strength
Deliberate culture
Built intentionally or by accident

High-performing female teams distribute leadership across multiple players. The team does not depend on one voice or one personality. Different kinds of leadership emerge — the player who leads vocally and tactically, the player who leads quietly through the standard she sets in every session, the player who leads emotionally and keeps the group together in difficult moments. Creating space for all of these is more resilient than betting everything on one model of leadership.

If you do not build culture intentionally, one will build itself. The norms around mistakes, around belonging, around what is acceptable and what is not — these will always exist. The question is whether you shape them or whether you leave them to develop by default. In female environments, the cost of leaving culture to chance tends to be higher, and the investment in building it deliberately pays off faster.

The culture you build either unlocks or suppresses what the player is capable of showing you.

Mirelle van Rijbroek
Reflection

Does the environment you create make players feel safe enough to be bold? What is one thing you could change this week to create more psychological safety — and more genuine belonging?