Answer:
It really depends if you want a certain body part, but I will go with A.)
Explanation:
going more into detail Isometric contractions will maintain your muscular endurance. Isometric contractions will train your muscles for endurance ( 6, 7 ). For example, karate practitioners will squat in a horse stance (a squat position) for multiple minutes at a time. This works on the endurance of the hips and thighs.
