Respuesta :

72408

Answer:

True ( in my option)

Explanation:

I took gym for 6 years of my school life and what I learn from those classes was to keep your back straight when you do any excrice  because that would keep your back straight when your not doing excrice. I hope you like my answer.  

deyavaseva
True because you can get injured or your back will start to hurt if not now it will hurt later on in life