The Strength
Coach for Girls.
Evidence-based strength coaching for girls aged 10 to 18. Build capable, confident athletes who know what their bodies can do.
Strength is the foundation of youth female athletic development.
Before speed, power, and sport-specific performance can be expressed consistently, a young athlete needs a strong base. That base is built through skilful, progressive strength training.
The Approach
Build more than strength.
Build belief.
Girls deserve coaching that develops their physical capability, builds confidence in their bodies, and creates a lifelong relationship with movement and strength.
Learn to move with skill
Master the foundations of lifting in a supportive, well-coached environment. Technique comes before load, and quality comes before intensity.
Develop real physical capability
Progressive strength training builds the robust, capable foundation young athletes need to train, compete, and keep showing up for their sport.
Grow confidence that carries over
When girls experience what they can achieve through consistent effort, clear feedback, and smart progression, that confidence extends beyond the gym.
Who I Work With
For the girls who want to see what they are capable of.
Girls & Young Athletes
- Girls aged 10 to 18 who want to get stronger, move better, and perform with confidence.
- Young athletes preparing for, progressing in, or returning to sport.
- Girls who are curious about strength sports or want to build a foundation for any sport.
- Parents seeking expert, age-appropriate, development-focused coaching for their daughter.
Schools & Sporting Clubs
- Girls schools looking to build a clear, progressive strength-development pathway.
- Sporting clubs that want stronger, more robust female athletes.
- Coaches who want practical strength and conditioning support for their female athletes.
- Programs that value coaching quality, education, and long-term athlete development.
Ways to Work Together
A pathway that meets each athlete where she is now.
Girls Strength Coaching
Individual or small-group coaching that develops strength, movement skill, and confidence through age-appropriate, progressive programming.
Female Athlete Development
Strength and conditioning support for schools and clubs seeking to develop capable, resilient female athletes through a sustainable development pathway.
Program Design & Education
Practical program design and coach education for teams that want to deliver better, safer, more effective strength training for girls.
Merinda O'Brien
ASCA Professional Level 2 Coach
Meet Your Coach
Coached by someone who knows what it takes to perform.
I am Merinda O'Brien, an ASCA Professional Level 2 Coach with more than ten years of coaching experience. Since January 2025, I have been the Strength & Conditioning Lead Coach at a girls high school, building strength coaching around the specific needs and potential of young female athletes.
I am also a strength sports athlete who has represented Australia. I know the discipline, technical skill, confidence, and long-term development that performance requires. My coaching makes those same high-performance principles accessible to girls who are ready to discover their potential.
Start the Conversation
Let’s build stronger girls.
Whether you are a parent, athlete, school, or sporting club, get in touch to discuss the right next step for your strength-development goals.