Final answer:
Stress fractures are typically caused by chronic overuse and commonly found in the lower limbs. Fractures from sudden injury can occur anywhere and can be complete or partial. While stress fractures can affect any age group, they are more common in older adults, while fractures from sudden injury are more common in children.
Step-by-step explanation:
A) Stress fractures are typically a result of chronic overuse, while fractures from sudden injury are acute.
B) Stress fractures can occur in various parts of the body, but are commonly found in the lower limbs. Fractures from sudden injury can occur anywhere.
C) Stress fractures are usually partial fractures, while fractures from sudden injury can be complete or partial.
D) Stress fractures can affect individuals of any age, but are more common in athletes and older adults. Fractures from sudden injury are more common in children.