To heal injured muscles would be the correct answer
First it's important for your body will get weak without eating the right nutrients. Also vitamins help with the your immune system and your overall health in general
Heavy weight training, sprinting (running or cycling) and jumping. Basically any exercise that consists of short exertion, high-intensity movement is an anaerobic exercise. Heavy weight training is an excellent way to build strength and muscle mass.
Therefore, heavy weight training is the best option.
