here's your reference matt. it can be found in your own choice for reference.
in your aposted reference the author stated
"Although natural selection dumped the 1st digit from the hind foot fairly far back in the evolution of canids (and also, independently in cats) the thumb has persisted on the forefoot in digitigrade carnivores. There may well be a reason it is retained."
OR THERE MAY NOT BE!
this is called a supposition, not to be confused with a fact.
this was not a study but a Ph.D thesis. thesis is another word for postualated theory. theory is another word for something that has not been scientifically proven.
hope that satisfied you more than your response satisfied me.
i am assuming all of you are grown ups and have the ability to make your own decisions.
all i would caution, and only in the vein of being helpful, that you be prepared to live with the decisons you make.
GREG, i have driven cars and motorcyles for close to 40 years. only ONE TIME did i get hit by a car and spend 42 days in the hospital, a year in a wheel chair, 2 more years learning to walk again, and am still suffering problems over 23 year later.
i guess you're right. it doesn't happen too often! :laughing: :laughing: :laughing: :laughing: :laughing: