About the clavicle

About the clavicle
A.It is a free upper limb bone
B.The medial 1/3 of the clavicle is convex to the front
C.The clavicle supports the upper limb bone
D.A common fracture of the clavicle is at the intersection of the middle and outer 1/3
正确答案：A common fracture of the clavicle is at the intersection of the middle and outer 1/3