ok im 16 years old and i have been playing tennis for about 3 years quite regularly, almost 6 times a week. while my coach is on vacation, i want to start going to the gym to get a bit stronger and fitter.
what should i work on and how? for endurance, strength and speed. how much weight should i carry and for how long? how many minutes at what speed on the treadmill etc. i am able to run 5 kms easily, but i dont think its wise for me to start off by running 5 kms and increasing so i need help from someone who knows about this.
thanks.
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