For making the neck muscles strong you can play game with your babies by placing them on their back and pulls them up slowly, with his hands, into sitting position. (newkidscenter.com)
Even better, the desk can switch along its almost 16 - inch range from sitting position to standing position in under 20 seconds! (geekwrapped.com)
The reclining positions enable the mom to create a comfortable and easy sitting position for the baby from a young age. (strollerlab.net)