Answer:
The correct answer is specificity principle
Explanation:
General physical fitness is necessary for participating and playing any game but to improve a particular skill which is required in a particular game the principle of specificity comes into play.
For example, a weight lifter will do specific training to improve its muscle strength like lifting heavy weights while a cross country runner will focus on endurance training than improving muscle strength and power.
So increasing biceps strength by performing dumbbell curls is the example and evidence of specificity principle.
