From the best exercises to your new born is to put him on his tummy for a while what is called a tummy time, but don’t leave him to sleep on his tummy so he can’t breath while sleeping!

putting him on his tummy helps him to hold his neck and control it and discover things around him

start from the first month of your baby don’t be afraid and increase time from a minute to 5 to 10

i found this beautiful advice from baby center app download it on your mobile phone and put your baby info it will give you many continues information that is helpful to your baby by his age