The Evergreen Athlete - By Finlay MacHugh

011 - Is Physical Decline Behaviour or Biology? With Jackson Fyfe


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Overview


Finlay talks with Dr Jackson Fyfe (exercise scientist and lecturer at Deakin University) about why most physical decline in mid-life is driven by behaviour, not biology, and how small, well-chosen doses of training can preserve strength, muscle and overall health. The conversation covers minimal-dose resistance work, mixing cardio with weights, and avoiding the “all-or-nothing” trap that derails many former athletes.


Key Talking Points

  • Ageing vs Inactivity – strength and muscle fall mainly because we stop using them.
  • Typical Mid-life Pitfalls – family, work and familiar sports habits lead to low-power, low-speed movement.
  • Minimum Effective Dose – as little as 1 set per exercise per week can lift strength; ~4–5 sets per week grows muscle.
  • Everyday Movement Counts – short, slightly brisk tasks during the day carry real health benefits.
  • Concurrent Training Myths – doing cardio and strength together may blunt gains slightly but still beats doing nothing.
  • Practical Weekly Blueprint – two brief strength sessions, one or two moderate cardio bouts, plus frequent light movement.
  • Consistency over Intensity – small, repeatable sessions matter more than occasional “all-out” efforts.

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The Evergreen Athlete - By Finlay MacHughBy Finlay MacHugh