Occurs when a part of your body is subjected to extreme or constant pressure, such as from a sharp or hard object.

a. compression or contact stress
b. force
c. repetition
d. vibration

Compression or contact stress occurs when a part of your body is subjected to extreme or constant pressure, such as from a sharp or hard object. Correct A

Contact stress occurs when a part of your body rests against something, resulting in discomfort and/or pain. Example: telephone headset that fits too tightly results in contact stress to the head.