Why Do Your Muscles Get Sore After Exercise? (It's Not Lactic Acid)
Lactic acid has been blamed for sore muscles for decades. The science says otherwise — and the real explanation is far more interesting.
In this episode, Jen, Chris, and Matt unpack the truth behind delayed onset muscle soreness (DOMS): what's actually happening inside your muscle fibres, why the pain peaks a day or two after exercise rather than straight away, and why the familiar "no pain, no gain" mantra is more complicated than it sounds.
Along the way they bust one of the most persistent myths in fitness, explain why running downhill causes more soreness than running uphill, and reveal…
The skinny
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