My baby is 18 months old, she has low tone muscles in her body her head is control 5 min. And fell very slowly after 5 mins, she can lift her hand when she lying on bed, but when she sit on chair she never lift her hand. She lift her leg when I tie leg with ribbon. But her brain is normal she recognize her mum and dad and call her .her physiotherapy is going 3 days in weekly. But give some trips how to improve tone.