About

Fearghal Kerin is a Chartered Physiotherapist and rehabilitation consultant specialising in lower limb injuries, particularly complex and recurrent hamstring injuries.

Following fifteen years working in professional sport, including senior roles with LeinsterRugby and Chelsea F.C., Fearghal founded Kerin Performance in Dublin in 2024. The clinic was designed to support athletes requiring high-level rehabilitation and return-to-performance support.

Alongside clinical work, Fearghal provides consultancy support to elite teams and athletes across professional football and international sport, with current and previous work involving organisations within the Premier League, NBA, and AFL.

Fearghal completed his PhD through University College Dublin in 2024, focusing on hamstring injury research alongside a multidisciplinary team involving sports medicine and musculoskeletal radiology.

ABOUT FEARGHAL

Kerin Performance Ltd was founded in 2024 with the aim of supporting athletes in three key ways

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At a purpose-designed rehabilitation clinic based in Fearghal’s home city of Dublin, specialising in lower limb injuries, particularly hamstring injuries, conveniently located near Dublin Airport.

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By using the experience gained from managing a high-volume hamstring rehabilitation caseload, alongside years spent working in professional sport, to provide consultancy support to elite teams and athletes in the planning, design, and delivery of complex hamstring rehabilitation.

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Through educational services and case reviews for clinicians and sports organisations, ensuring close engagement with the latest research, clinical practice, and evolving understanding within lower limb musculoskeletal rehabilitation.

Kerin Performance now supports clubs and athletes across several Premier League and wider UK football clubs, alongside organisations within leagues such as the NBA and AFL.

Much of this work has come through trusted relationships and word of mouth, which remains one of the most valuable aspects of elite sport.

To our knowledge, the volume and concentration of complex hamstring injuries managed by Fearghal is relatively unique internationally

“Fearghal worked with me as I recovered from surgery, in a race to get fit in time for the Copa América. His expertise was crucial in helping me return fit, strong, and on time, and I was able to play my part as my country went on to win the tournament!”...

Enzo Fernandez

Argentinian Footballer, World Cup Winner

“I knew I couldn’t be in safer hands and more professional hands”

Paudie Clifford

Four Time All Star Gaelic Footballer

“Fearghal has had a huge influence on my rugby career. I used to struggle regularly with injuries, often missing months of each season.

Through his programming and guidance, Fearghal was able to get my body to a place where I could perform at my best.

While working with him, I achieved the best physical condition I’ve ever been in. During my rehab with Fearghal, I frequently returned to play well ahead of the timelines predicted by specialists. I attribute this to his expertise and programming, but most of all to how easy he was to work with. Fearghal made the long days of rehab and the hard work involved not only bearable but enjoyable.”

Josh van der Flier

Leinster and Ireland Rugby
World Player of the Year 2022

CAREER IN PROFESSIONAL SPORTS

Fearghal spent fifteen years working in professional sport, including ten seasons with Leinster Rugby as Rehabilitation Physiotherapist. During this time, he developed extensive experience in rehabilitation, strength and conditioning, and gym-based performance work, supporting multiple British & Irish Lions players and two World Rugby Players of the Year.
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He later moved to Chelsea F.C. in a unique Men’s First Team role titled “Physiotherapist-Hamstring Prevention”. In this position, he supported athletes including World Cup winner N'Golo Kanté and Champions League winner Reece James through rehabilitation following hamstring surgery, alongside managing numerous high-grade hamstring injuries.
He also worked successfully with another World Cup winner Enzo Fernández under significant time pressure to achieve return to play following groin surgery ahead of the Copa América, which Argentina went on to win.
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Education

Fearghal is a Chartered Physiotherapist, graduating with honours from University College Dublin in 2010. He completed an MSc in Sports Injury Rehabilitation at the University of Salford in 2019.

Supported by Leinster Rugby, and working alongside a multidisciplinary research team involving consultants in musculoskeletal radiology and sports medicine, Fearghal completed his PhD through University College Dublin in 2024 under the supervision of Professor Eamonn Delahunt.

To support his work within elite football, he also completed a postgraduate diploma in Football Medicine and Performance Leadership in 2024.

Alongside his clinical and research work, Fearghal has contributed to MSc teaching at University College Cork and the University of Bath, and is currently involved in multiple PhD research projects.

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