Your bones are more than a Framework



Your bones are more than a Framework


When a woman in her mid-50s receives a DEXA scan showing bone loss, the standard advice is predictable: calcium and vitamin D to protect a weakening structure. 

This treats the skeleton like the architectural framework of a house—a passive cage that holds us together and inevitably weakens with age. You go home thinking it is simply about preventing a fracture in the future.

But modern science reveals a far more fascinating reality. The skeleton is not merely a passive frame; it also functions as an endocrine organ. Bone cells produce signalling molecules and hormones that communicate with other systems throughout the body.

One of the most interesting is osteocalcin, produced by bone-forming osteoblasts. It enters the bloodstream and talks to your pancreas, helping to release insulin and manage blood sugar. It talks to your muscles, helping them utilize energy during exercise. It even talks to your brain, directly influencing your mood and memory. In other words, the exact same process that builds your bone sends out a signal that runs your metabolism and your mind.

As bone remodelling slows with age, declining oestrogen and inactivity, the consequences extend beyond a thinning skeleton. Reduced mechanical loading means less stimulus for bone formation and the signalling activity associated with it.

The good news? You cannot get this vital osteocalcin signal from a calcium pill. You trigger it by loading your bones.


Bones release osteocalcin in response to mechanical stress, specifically resistance training. Therefore, weight lifting is not just about stacking up bone density; it is the main lever used to switch the osteocalcin gland back on.


Stop treating bone health as a structural storage problem to be managed with supplements alone. Start weight training, and your skeleton will pay you back in parts of your body you never even knew were connected to your bones.

Zareer Patell

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