"That would be pointless since your arm shows no sign of missing the bone. I want to measure it against your arm to see how much of the bone was used."

And she held it against his arm, noting the length of it in comparison. Then she set it aside so she could study it more later. Leaning forward, she ran he fingers along the length of his forearm, pressing now and then to see if there were any faults in the bone that she could feel this way. She would need proper equipment to be sure but this was a start.

"There is blood here so there was an injury that rapidly healed. How did it feel when the bone pierced your skin?"