Feel Better, Live More with Dr Rangan Chatterjee

How To Transform Your Metabolic Health & The Surprising Benefits of Walking with Alan Couzens #617

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Jan 28, 2026
Alan Couzens, exercise physiologist and elite endurance coach, explains why easy movement matters. He describes how low-intensity walking and yoga boost metabolic health and fat-burning. He reframes training into movement zones, explains lactate and VO2 max, and recommends simple daily habits like fasted walks to improve energy and longevity.
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INSIGHT

Metabolism Fails From Inactivity

  • Modern metabolic problems stem from reduced daily movement and a body untrained to burn fat for low-intensity work.
  • Teaching muscles to use fat reduces blood glucose swings and overall metabolic stress.
ADVICE

Prioritise Low‑Intensity Zones

  • Treat movement as graded "zones" where walking and easy activity (zone zero/one) count and build metabolic and cardiovascular capacity.
  • Spend most training time in zone one to increase stroke volume and maximal fat oxidation.
ADVICE

Walk More To Get Faster

  • Increase daily low‑intensity movement like walking; log it as training to see consistent performance gains.
  • Even elite athletes improve race performance by boosting zone zero/one volume without harder sessions.
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