A blow to the shoulder often breaks the clavicle,but very seldom breaks the scapula.Suggest why.
A)The scapula is larger than the clavicle.
B)The clavicle provides the only bony attachment of the pectoral girdle to the body.
C)The scapula is more protected by muscle.
D)When the body is moving forward,the clavicle is more likely to be struck than the scapula.
E)All of these are valid explanations.

Question

Quizplus · Accepted Answer

The clavicle is the only bone that connects the upper limb to the axial skeleton, so it is more likely to be broken in a blow to the shoulder. The scapula is larger and more protected by muscle, so it is less likely to be broken.

A Blow to the Shoulder Often Breaks the Clavicle,but Very