Kennewick Man was strong, so strong that the bone in his right arm was curved, and he likely was an accomplished atlatl, or spear thrower, Owsley said. 그는 창을 던지는 사람들에게서 볼 수 있는 오른쪽 어깨 부상을 입었다고 말했습니다. The force of throwing had left a piece of bone floating in the joint.