Question

Which one of the following choices best describes an advantage of isometric exercise?

A. Rapid strength improvement.
B. Improved strength across the entire range of motion.
C. Improved joint flexibility.
D. Motivational.

Answer 1

it's a because isometric exercise improves muscles and strength

Answer 2

The correct option is A.
Isometric exercise is a type of strength training exercise in which the muscle length and joint angles do not change during contraction. Isometric exercise is an high intensity exercise and it contributes to muscles building and fat burning. It also increases strength rapidly.