Tendons!
See what pops up today on the BBC site: http://news.bbc.co.uk/1/hi/sci/tech/6990319.stm
"And what this means is that muscles are attached to bones by tendons at the end and these tendons are big springs that store energy."
"If we make a model without tendons, it turns out that it's rubbish.
"It can't go very fast and it uses an awful lot of food to get from A to B. So you really can't run if you don't have tendons. If you do have tendons you can run a lot faster and you do it for less fuel."
One of the key points of ging.
"And what this means is that muscles are attached to bones by tendons at the end and these tendons are big springs that store energy."
"If we make a model without tendons, it turns out that it's rubbish.
"It can't go very fast and it uses an awful lot of food to get from A to B. So you really can't run if you don't have tendons. If you do have tendons you can run a lot faster and you do it for less fuel."
One of the key points of ging.