04/08/2026
The mistake was never cardio. It was thinking cardio was the plan.
I get it — the second you decide to lose weight, cardio's the obvious move. It burns calories in the moment, it feels productive, and it's what we've all been told fat loss looks like. I'm a natural runner; even at my heaviest I could knock out a 5km. But it was always when I was trying to lose weight — and if you've read my story, you know how that went.
Here's what nobody mentions: your body is annoyingly efficient. The more you repeat the same cardio, the better it gets at it, and the fewer calories it costs you to do the same work. Stack that on top of an aggressive calorie cut and you start burning through muscle, not just fat. Less muscle means a lower resting burn — so the very thing you're doing to lose weight quietly makes it harder. That's the trap.
Muscle is the part everyone skips. It's active tissue — it costs energy to maintain all day, whether you're training or flat out on the couch. More muscle, higher resting burn. It's also where your food goes to work instead of into storage: better insulin sensitivity, steadier energy, and more room to actually enjoy your food without it working against you.
Build it consistently and something quietly brilliant happens — the scales barely move, but you've dropped a dress size or two. That's body recomposition, and it's the whole point.
Cardio isn't pointless. A brisk walk or easy jog is great for recovery and heart health — it just belongs in a supporting role, not the lead. Cardio supports. Muscle carries you.
Full article — including where progressive overload and protein come in.
Cardio alone rarely delivers lasting fat loss. Here's why resistance training — not more running — is the real key to sustainable, long-term results.