Which of the following is a kind of physical ability which refers to the ability to make rapid repeated flexing movements?

The correct answer is option C.

C) Dynamic flexibility is the ability to make rapid and active movements of joints repeatedly. Hence, option C is correct.

A) Equilibrium refers to the ability of balancing a body by adjusting with opposite forces. Hence, option A is incorrect.

B) Balance refers to the ability that a human body can maintain vertically straight with minimal movement. Hence, option B is incorrect.

D) Static strength refers to the strength that can be generated by maximum effort. Hence, option D is incorrect.

E) Body coordination is the ability to adjust the adjustment that a body makes towards any stimulus of our surroundings. Hence, option E is incorrect.