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[ItsMyLife]

I know most docs say this, but what is the scientific basis?

If studies say that a group which weight-bear earlier healed faster, it may be because their fractures are less severe so they can weight-bear earlier and so they heal faster.

There needs to be a causal relationship between weight-bearing and faster healing. Any studies?

there's one study. one group told to weight bear ,the other group told not to. Both groups more-or-less followed the protocol. They both healed at similar times, rates of non-union were similar too.

[ItsMyLife]

So I just wondering if there are any clinical studies to back up what the docs said.
Of course. I think walking and standing is perfect to train the soft-tissue, but bone-wise, is there any difference?? What studies are there?

[KrP1]

weight bearing stimulates bone formation and retain calcium in them. your bone needs to be stronger to be able to support your weight, thats why its density increase.
People that lifts heavy weights in the gym have more bone desity for this.

[ItsMyLife]

weight bearing stimulates bone formation and retain calcium in them. your bone needs to be stronger to be able to support your weight, thats why its density increase.
People that lifts heavy weights in the gym have more bone desity for this.

any studies that show that it speeds up # consolidation?thanks

[Overdozer]

any studies that show that it speeds up # consolidation?thanks

For example: http://www.ncbi.nlm.nih.gov/pubmed/15021163

This study confirmed the beneficial effect of weightbearing activity during distraction osteogenesis. Distraction provides pulsed form stimulation by tension stress across the osteotomy site and initiates osteogenesis while the compression stress exerted by the weightbearing is continuous in daily activities and enhances new bone formation. The clinical practice of early weightbearing during distraction osteogenesis should be reinforced.

Weightbearing is actually a very important principle in Ilizarov's osteogenesis philosophy. The device fixation should be stable, but not too stable, so when weight bearing, the bone fragments will compress, thus simulating them. Yeah... something along these lines

[spaller2015]

very well informed people here!