Answer:
B). International Society of Biomechanics in sports
Explanation:
The recently developed professional association in biomechanics is the "International Society of Biomechanics in sports".
It is an international society which is dedicated to bio-mechanics to sports. The main purpose of the society is to understand and study the human movement and its relation to sport bio-mechanics. They provide information regarding bio-mechanics in sports.
It is the professional association in bio-mechanics.
Thus the answer is --
B). International Society of Biomechanics in sports