Ok so i’m in a weight training class in my high school and every week I benchpress and do benchpress curls and many other excercises. But my question is will I still continue to grow muscle if I take up kickboxing classes? I did some research and apparently alot of cardio burns muscle mass and turns it into energy. And boxing is cardio. I dont know if thats true but it seems believable. I just started the class 2 weeks ago in my school so I havent really seen any results……
10 points to who ever can help me 
Yes you will still grow only IF, you still eat plenty of protein, you eat healthy meals, because kickboxing is a cardio workout, you wont need much cardio to burn fat.
But stick with eating a lot of healthy meals with a lot of protein, you should still grow.
Results takes time, and yes cardio does burn muscle mass. I advise you continue doing weightlifting and kickboxing. I play basketball, which is a extreme cardio, and I am still getting bigger and stronger every week!
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Yes you’ll still grow muscle just not as fast. I do cardio once a week now and during the summer I did it three times a week. I still saw results just at a slower rate (bigger muscles that is) cardio will help you get cut though because it’ll help burn more calories and enhance your muscles giving you a nice ripped body. Drink protein after your weight lifting workouts and that’ll help. If you do the kickboxing just once a week it really shouldn’t effect your rate of muscle growth but it you did it 3 times a week or more you’d be losing weight which will slow your muscle growth.
References :
Yes you will still grow only IF, you still eat plenty of protein, you eat healthy meals, because kickboxing is a cardio workout, you wont need much cardio to burn fat.
But stick with eating a lot of healthy meals with a lot of protein, you should still grow.
References :