If you have ever climbed off the bike after a long ride and felt that deep, dull ache across your lower back — the kind where you stand up and your spine feels like it has been compressed for hours — this episode is for you. Because it probably has.
Key Takeaways
Lower back pain is one of the most common complaints in cycling, and most riders deal with it by stretching their hamstrings or getting a new saddle. Neither of those fixes the actual problem. The real issue, for the vast majority of riders, is that your core is not doing its job.
When you sit on a bike in that aggressive, flexed position for two, three, four hours, your deep core muscles — the transverse abdominis, the multifidus, the obliques — are supposed to stabilise your pelvis and protect your lumbar spine. When those muscles are weak or simply fail to switch on, your lower back becomes the default stabiliser. It was not built for that role, and it lets you know about it.
The fix is not more crunches. Crunches train spinal flexion. You already spend hours in spinal flexion on the bike. What you need is anti-extension, anti-rotation, and lateral stability. Dead bugs. Bird dogs. Pallof presses. Side planks with hip dips. These target the exact patterns your core needs to perform while you are riding.
And the dose matters. Ten minutes, three to four times a week, is far better than smashing a thirty-minute core session once a week and forgetting about it. Your core needs endurance-level activation — the ability to hold low-level tension for hours — and that comes from consistent, frequent exposure, not from one brutal session that leaves your abs too sore to sneeze.
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