Research Unpacked: Tim McGrath – Part 3 – Nordic Dosage & Return-to-Running

Episode 101: In this Research Unpacked episode Alistair McKenzie chats to Tim McGrath for a Part-3 conversation on Hamstring rehab. Tim is an Australian Sports Physio based in Canberra, with over 15 years experience in professional sport and 20 in clinical practice. He completed his PhD from the Research Institute of Sport & Exercise at the University of Canberra on ACL rehabilitation and return to sport in 2016 and is the clinical & research director of Pitch Ready which focuses on blending clinical insights with data science, squad-based injury prevention and return to sport testing following lower limb injury. In this episode Alistair and Tim hamstring training, nordics and return-to-running. 

Topics discussed: 

  • Nordic Hamstring curls 
  • High speed running exposure
  • Time under Tension vs Break angle
  • Minimal Dose
  • Prioritising strength or speed
  • Returning to running following a hamstring injury


McGrath, T. M., Hulin, B. T., Pickworth, N., Clarke, A., & Timmins, R. G. (2020). Determinants of hamstring fascicle length in professional rugby league athletes. Journal of science and medicine in sport23(5), 524–528.

Where you can find Tim:


Inform Performance is sponsored by VALD Performance, makers of the Nordbord, Forceframe, ForeDecks and HumanTrak. VALD Performance systems are built with the high-performance practitioner in mind, translating traditionally lab-based technologies into engaging, quick, easy-to-use tools for daily testing, monitoring and training

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About the Author
Andy is the Host / Co-Founder of Inform Performance and a dual qualified Physiotherapist / Strength & Conditioning Coach. Andy is based in Philadelphia & works for Total Performance who provide a multi-faceted, elite level diagnostic, rehabilitation and performance service. Delivered by a team of world leading specialists to organisations in the NBA, NFL, English Premier League, the LTA and England Rugby.